feat(dungeon): add character-sheet bosses

src/main/java/games/dmg/fantasystick/FantasyStickPlugin.java

@@ -507,7 +507,7 @@ public final class FantasyStickPlugin extends JavaPlugin {
                 abilityScheduler::later, (size, title) -> getServer().createInventory(null, size, title),
                 problem -> getLogger().log(Level.WARNING, "Admin revival failed", problem));
             abilityEngine = new games.dmg.fantasystick.ability.AbilityEngine(abilityRegistry, characters, sessions, parties,
-                Clock.systemUTC(), nextTick, abilityScheduler, report -> { }, combatFeedback, trainingDummyController,
+                Clock.systemUTC(), nextTick, abilityScheduler, report -> {var current=dungeonController;if(current!=null)current.accept(report);}, combatFeedback, trainingDummyController,
                 problem -> getLogger().log(Level.WARNING, "Ability engine failed for character " + problem.character()
                     + "; ability " + problem.ability(), problem.cause()));
             abilityEngine.install(this);
@@ -548,8 +548,13 @@ public final class FantasyStickPlugin extends JavaPlugin {
                 Clock.systemUTC(), java.util.random.RandomGenerator.getDefault());
             adventureQuestCommands = new games.dmg.fantasystick.adventure.AdventureQuestCommands(
                 this, adventureQuests, adventureQuestController, nextTick);
-            dungeonController = new games.dmg.fantasystick.dungeon.DungeonController(this,dungeons,adventureQuests,sessions,parties,characters,rules,nextTick,java.util.random.RandomGenerator.getDefault());
-            dungeonCommands = new games.dmg.fantasystick.dungeon.DungeonCommands(this,dungeons,dungeonController,adventureQuests,nextTick);
+            var bossRecoverySettings=outOfCombatRecoverySettings;var bossQuickerRegeneration=quickerRegeneration;var bossQuickerRegenerationII=quickerRegenerationII;var bossHealthStealSettings=healthStealSettings;
+            dungeonController = new games.dmg.fantasystick.dungeon.DungeonController(this,dungeons,adventureQuests,sessions,parties,characters,rules,nextTick,java.util.random.RandomGenerator.getDefault(),abilityRegistry,passiveRegistry,bossRecoverySettings::settings,record->{if(!record.passives().contains(games.dmg.fantasystick.passive.QuickerRegenerationI.ID))return java.math.BigInteger.ZERO;var bonus=bossQuickerRegeneration.bonus();return record.passives().contains(games.dmg.fantasystick.passive.QuickerRegenerationII.ID)?bonus.add(bossQuickerRegenerationII.bonus()):bonus;},()->bossHealthStealSettings.settings().healing());
+            var custodyDirectory=dungeons;
+            sessions.attachUnavailableCharacter(character->custodyDirectory.custody(character).isPresent());
+            characters.attachUnavailableCharacter(character->custodyDirectory.custody(character).isPresent());
+            characterParties.attachUnavailableCharacter(character->custodyDirectory.custody(character).isPresent());
+            dungeonCommands = new games.dmg.fantasystick.dungeon.DungeonCommands(this,dungeons,dungeonController,adventureQuests,nextTick,characters::find,character->sessions.activeCharacter(character).isPresent(),character->characterParties.partyOf(character).isPresent());
             adventureQuests.registerDungeonRewards(site->dungeons.find(site.id()).map(value->new games.dmg.fantasystick.adventure.AdventureQuestDirectory.Reward(value.maximumXp(),value.maximumCoins())).orElse(new games.dmg.fantasystick.adventure.AdventureQuestDirectory.Reward(java.math.BigInteger.ZERO,java.math.BigInteger.ZERO)));
             adventureQuests.registerDungeonSites(()->dungeons.snapshot().dungeons().stream().filter(games.dmg.fantasystick.dungeon.DungeonState.Dungeon::enabled).map(value->new games.dmg.fantasystick.adventure.AdventureQuestState.Site(value.id(),games.dmg.fantasystick.adventure.AdventureQuestState.SiteType.DUNGEON,value.name(),value.world(),value.entrance().x(),value.entrance().y(),value.entrance().z())).toList());
             adventureQuests.registerDungeonAvailability(site->{var definition=dungeons.find(site.id());if(definition.isEmpty()||!definition.orElseThrow().enabled())return false;var catalog=adventureQuests.snapshot().catalog();return catalog==null||dungeons.runView(site.id(),catalog.revision()).map(run->!run.defeated()).orElse(true);});

src/main/java/games/dmg/fantasystick/dungeon/DungeonCommands.java

@@ -1,8 +1,12 @@
 package games.dmg.fantasystick.dungeon;
 
+import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.util.*;
-import java.util.function.Consumer;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.*;
+import games.dmg.fantasystick.items.CharacterSheets;
+import games.dmg.fantasystick.persistence.CharacterRecord;
 import org.bukkit.NamespacedKey;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.*;
@@ -12,12 +16,13 @@ import org.bukkit.potion.PotionEffectType;
 /** Registered command adapter for durable dungeon authoring and catalog administration. */
 public final class DungeonCommands {
     private static final String PERMISSION="fantasystick.admin";
-    private final Plugin plugin;private final DungeonDirectory directory;private final DungeonController controller;private final games.dmg.fantasystick.adventure.AdventureQuestDirectory adventures;private final Consumer<Runnable> nextTick;private final games.dmg.fantasystick.adventure.AdventureLocationPresentation locations;
-    public DungeonCommands(Plugin plugin,DungeonDirectory directory,DungeonController controller,games.dmg.fantasystick.adventure.AdventureQuestDirectory adventures,Consumer<Runnable> nextTick){this.plugin=Objects.requireNonNull(plugin);this.directory=Objects.requireNonNull(directory);this.controller=Objects.requireNonNull(controller);this.adventures=Objects.requireNonNull(adventures);this.nextTick=Objects.requireNonNull(nextTick);locations=new games.dmg.fantasystick.adventure.AdventureLocationPresentation(plugin.getServer());}
-    public void execute(CommandSender sender,String[] args){if(!authorized(sender))return;if(args.length<2){usage(sender);return;}try{switch(args[1]){case"create"->create(sender,args);case"list"->list(sender,args);case"remove"->remove(sender,args);case"edit"->edit(sender,args);case"entrance"->entrance(sender,args);case"room"->room(sender,args);case"enable"->enable(sender,args);case"disable"->disable(sender,args);case"open"->open(sender,args);case"close"->close(sender,args);default->usage(sender);}}catch(IllegalArgumentException invalid){sender.sendMessage("Dungeon command refused: "+invalid.getMessage()+".");}}
+    private final Plugin plugin;private final DungeonDirectory directory;private final DungeonController controller;private final games.dmg.fantasystick.adventure.AdventureQuestDirectory adventures;private final Consumer<Runnable> nextTick;private final games.dmg.fantasystick.adventure.AdventureLocationPresentation locations;private final Function<UUID,CompletableFuture<Optional<CharacterRecord>>> characters;private final Predicate<UUID> activeCharacter;private final Predicate<UUID> partyCharacter;private final CharacterSheets sheets=new CharacterSheets();
+    public DungeonCommands(Plugin plugin,DungeonDirectory directory,DungeonController controller,games.dmg.fantasystick.adventure.AdventureQuestDirectory adventures,Consumer<Runnable> nextTick){this(plugin,directory,controller,adventures,nextTick,id->CompletableFuture.completedFuture(Optional.empty()),id->false,id->false);}
+    public DungeonCommands(Plugin plugin,DungeonDirectory directory,DungeonController controller,games.dmg.fantasystick.adventure.AdventureQuestDirectory adventures,Consumer<Runnable> nextTick,Function<UUID,CompletableFuture<Optional<CharacterRecord>>> characters,Predicate<UUID> activeCharacter,Predicate<UUID> partyCharacter){this.plugin=Objects.requireNonNull(plugin);this.directory=Objects.requireNonNull(directory);this.controller=Objects.requireNonNull(controller);this.adventures=Objects.requireNonNull(adventures);this.nextTick=Objects.requireNonNull(nextTick);this.characters=Objects.requireNonNull(characters);this.activeCharacter=Objects.requireNonNull(activeCharacter);this.partyCharacter=Objects.requireNonNull(partyCharacter);locations=new games.dmg.fantasystick.adventure.AdventureLocationPresentation(plugin.getServer());}
+    public void execute(CommandSender sender,String[] args){if(!authorized(sender))return;if(args.length<2){usage(sender);return;}try{switch(args[1]){case"create"->create(sender,args);case"list"->list(sender,args);case"remove"->remove(sender,args);case"edit"->edit(sender,args);case"entrance"->entrance(sender,args);case"room"->room(sender,args);case"boss"->bossCommand(sender,args);case"enable"->enable(sender,args);case"disable"->disable(sender,args);case"open"->open(sender,args);case"close"->close(sender,args);default->usage(sender);}}catch(IllegalArgumentException invalid){sender.sendMessage("Dungeon command refused: "+invalid.getMessage()+".");}}
     private void create(CommandSender sender,String[] args){if(args.length<3||!(sender instanceof Player player)){usage(sender);return;}var location=player.getLocation();String name=join(args,2);if(name.isBlank()){usage(sender);return;}directory.create(name,Objects.requireNonNull(location.getWorld()).getUID(),location.getX(),location.getY(),location.getZ(),location.getYaw(),location.getPitch()).whenComplete((value,failure)->respond(sender,()->sender.sendMessage(failure==null?"Created disabled dungeon "+value.id()+" ("+value.name()+").":"Dungeon creation failed; desired state is unchanged.")));}
     private void list(CommandSender sender,String[] args){if(args.length!=2){usage(sender);return;}if(directory.snapshot().dungeons().isEmpty()){sender.sendMessage("No dungeons registered.");return;}directory.snapshot().dungeons().stream().sorted(Comparator.comparing(v->v.id().toString())).forEach(value->sender.sendMessage(value.id()+" "+value.name()+" at "+locations.format(value.world(),value.entrance().x(),value.entrance().y(),value.entrance().z())+"; "+(value.enabled()?"enabled":"disabled")+"; rooms="+value.rooms().size()+"; maximum="+value.maximumXp()+" XP, "+value.maximumCoins()+" coins."));}
-    private void remove(CommandSender sender,String[] args){if(args.length!=4||!args[3].equals("confirm")){usage(sender);return;}UUID id=id(args[2]);if(id==null){usage(sender);return;}controller.closeOffer(id).thenCompose(ignored->adventures.removeDungeonSite(id)).thenCompose(ignored->directory.remove(id)).whenComplete((removed,failure)->respond(sender,()->sender.sendMessage(failure!=null?"Dungeon removal failed; desired state is retained.":removed.isPresent()?"Removed dungeon "+id+".":"Dungeon not found.")));}
+    private void remove(CommandSender sender,String[] args){if(args.length!=4||!args[3].equals("confirm")){usage(sender);return;}UUID id=id(args[2]);if(id==null){usage(sender);return;}if(directory.custodyForDungeon(id).isPresent()){sender.sendMessage("Recover character boss custody before removing this dungeon.");return;}controller.closeOffer(id).thenCompose(ignored->adventures.removeDungeonSite(id)).thenCompose(ignored->directory.remove(id)).whenComplete((removed,failure)->respond(sender,()->sender.sendMessage(failure!=null?"Dungeon removal failed; desired state is retained.":removed.isPresent()?"Removed dungeon "+id+".":"Dungeon not found.")));}
     private void edit(CommandSender sender,String[] args){if(!(sender instanceof Player player)){usage(sender);return;}if(args.length==3&&args[2].equals("done")){sender.sendMessage(controller.done(player.getUniqueId())?"Dungeon editing ended; the dungeon remains disabled.":"No dungeon is being edited.");return;}if(args.length<4||args.length>5||!args[2].equals("start")||args.length==5&&!args[4].equals("confirm")){usage(sender);return;}UUID id=id(args[3]);if(id==null){usage(sender);return;}controller.start(player,id,args.length==5).whenComplete((status,failure)->respond(sender,()->{if(failure!=null){plugin.getLogger().log(java.util.logging.Level.WARNING,"Dungeon edit transition failed",failure);sender.sendMessage("Dungeon edit transition failed; retained state is authoritative.");return;}sender.sendMessage(switch(status){case STARTED->"Editing dungeon "+id+"; it is disabled.";case CONFIRM_REQUIRED->"Dungeon has offered, accepted or progressed work; repeat with exact confirm to close and expire it.";case BUSY->"Dungeon editing refused: the editor or dungeon already has an editing lease.";case NOT_FOUND->"Dungeon not found.";});}));}
     private void entrance(CommandSender sender,String[] args){if(args.length!=3||!args[2].equals("set")||!(sender instanceof Player player)){usage(sender);return;}UUID dungeon=editing(player);if(dungeon==null)return;var location=player.getLocation();if(location.getWorld()==null||!directory.find(dungeon).orElseThrow().world().equals(location.getWorld().getUID())){sender.sendMessage("Dungeon entrance must remain in its world.");return;}directory.setEntrance(dungeon,location.getX(),location.getY(),location.getZ(),location.getYaw(),location.getPitch()).whenComplete((value,failure)->saved(sender,failure,"Updated dungeon entrance."));}
     private void room(CommandSender sender,String[] args){if(!(sender instanceof Player player)||args.length<3){usage(sender);return;}UUID dungeon=editing(player);if(dungeon==null)return;switch(args[2]){case"create"->roomCreate(sender,player,dungeon,args);case"list"->{if(args.length!=3){usage(sender);return;}var value=directory.find(dungeon).orElseThrow();if(value.rooms().isEmpty())sender.sendMessage("No rooms defined.");else value.rooms().stream().sorted(Comparator.comparing(v->v.id().toString())).forEach(v->sender.sendMessage(v.id()+" "+v.displayName()+" "+v.bounds()+"; mobs="+v.mobs().size()+"; effects="+v.effects().size()+"; reward="+v.reward().xp()+" XP, "+v.reward().coins()+" coins; boss="+(v.boss()==null?"none":v.boss().type().name().toLowerCase(Locale.ROOT))));}case"remove"->{if(args.length!=4){usage(sender);return;}UUID room=id(args[3]);if(room==null){usage(sender);return;}directory.removeRoom(dungeon,room).whenComplete((value,failure)->{if(failure==null&&value.isPresent())controller.definitionChanged(dungeon);respond(sender,()->sender.sendMessage(failure!=null?"Room removal refused: it would overlap, disconnect or could not be saved.":value.isPresent()?"Removed room "+room+".":"Room not found."));});}case"mob"->mob(sender,player,dungeon,args);case"effect"->effect(sender,player,dungeon,args);case"reward"->reward(sender,player,dungeon,args);case"boss"->boss(sender,player,dungeon,args);default->usage(sender);}}
@@ -26,12 +31,17 @@ public final class DungeonCommands {
     private void mob(CommandSender sender,Player player,UUID dungeon,String[] args){var room=standing(sender,player);if(room==null)return;if(args.length>=5&&args[3].equals("add")){var type=entity(args[4]);if(!ordinary(type)){sender.sendMessage("Unsupported living mob type.");return;}var location=player.getLocation();directory.addMob(dungeon,room.id(),type,join(args,5),location.getX(),location.getY(),location.getZ(),location.getYaw(),location.getPitch()).whenComplete((value,failure)->saved(sender,failure,"Added mob slot "+(value==null?"":value.id())+"."));return;}if(args.length==5&&args[3].equals("remove")){UUID id=id(args[4]);if(id==null){usage(sender);return;}directory.removeMob(dungeon,room.id(),id).whenComplete((value,failure)->saved(sender,failure,value!=null&&value.isPresent()?"Removed mob slot "+id+".":"Mob slot not found."));return;}if(args.length==4&&args[3].equals("list")){if(room.mobs().isEmpty())sender.sendMessage("No ordinary mob slots in this room.");else room.mobs().forEach(value->sender.sendMessage(value.id()+" "+value.type().name().toLowerCase(Locale.ROOT)+" "+value.name()));return;}usage(sender);}
     private void effect(CommandSender sender,Player player,UUID dungeon,String[] args){var room=standing(sender,player);if(room==null)return;if(args.length>=7&&args[3].equals("add")){DungeonState.EffectTarget target;try{target=DungeonState.EffectTarget.valueOf(args[4].toUpperCase(Locale.ROOT));}catch(IllegalArgumentException invalid){usage(sender);return;}String key=args[5].contains(":")?args[5]:"minecraft:"+args[5];var namespaced=NamespacedKey.fromString(key);Integer level=integer(args[6]);boolean particles=args.length<8||Boolean.parseBoolean(args[7]);if(namespaced==null||PotionEffectType.getByKey(namespaced)==null||level==null||args.length>8||args.length==8&&!Set.of("true","false").contains(args[7])){usage(sender);return;}directory.addEffect(dungeon,room.id(),target,key,level,particles).whenComplete((value,failure)->saved(sender,failure,"Added room effect "+(value==null?"":value.id())+"."));return;}if(args.length==5&&args[3].equals("remove")){UUID id=id(args[4]);if(id==null){usage(sender);return;}directory.removeEffect(dungeon,room.id(),id).whenComplete((value,failure)->saved(sender,failure,value!=null&&value.isPresent()?"Removed room effect "+id+".":"Room effect not found."));return;}usage(sender);}
     private void reward(CommandSender sender,Player player,UUID dungeon,String[] args){if(args.length!=6||!args[3].equals("set")){usage(sender);return;}var room=standing(sender,player);if(room==null)return;BigInteger xp=whole(args[4]),coins=whole(args[5]);if(xp==null||coins==null){usage(sender);return;}directory.setReward(dungeon,room.id(),xp,coins).whenComplete((value,failure)->saved(sender,failure,"Set room reward to "+xp+" XP and "+coins+" coins."));}
-    private void boss(CommandSender sender,Player player,UUID dungeon,String[] args){var room=standing(sender,player);if(room==null)return;if(args.length>=5&&args[3].equals("mob")){var type=entity(args[4]);if(!ordinary(type)){sender.sendMessage("Unsupported living boss type.");return;}var location=player.getLocation();directory.setBoss(dungeon,room.id(),type,join(args,5),location.getX(),location.getY(),location.getZ(),location.getYaw(),location.getPitch()).whenComplete((value,failure)->saved(sender,failure,"Configured native boss "+type.name().toLowerCase(Locale.ROOT)+"."));return;}if(args.length==4&&args[3].equals("clear")){directory.clearBoss(dungeon,room.id()).whenComplete((value,failure)->saved(sender,failure,"Cleared the room boss."));return;}usage(sender);}
+    private void boss(CommandSender sender,Player player,UUID dungeon,String[] args){var room=standing(sender,player);if(room==null)return;if(args.length==5&&args[3].equals("assign-sheet")){assignCharacterBoss(sender,player,dungeon,room,args[4]);return;}if(args.length>=5&&args[3].equals("mob")){var type=entity(args[4]);if(!ordinary(type)){sender.sendMessage("Unsupported living boss type.");return;}var location=player.getLocation();directory.setBoss(dungeon,room.id(),type,join(args,5),location.getX(),location.getY(),location.getZ(),location.getYaw(),location.getPitch()).whenComplete((value,failure)->saved(sender,failure,"Configured native boss "+type.name().toLowerCase(Locale.ROOT)+"."));return;}if(args.length==4&&args[3].equals("clear")){directory.clearBoss(dungeon,room.id()).whenComplete((value,failure)->saved(sender,failure,"Cleared the room boss."));return;}usage(sender);}
+    private void assignCharacterBoss(CommandSender sender,Player player,UUID dungeon,DungeonState.Room room,String rawMultiplier){BigDecimal multiplier;try{if(!rawMultiplier.matches("(?:0|[1-9][0-9]*)(?:\\.[0-9]{1,3})?"))throw new NumberFormatException();multiplier=new BigDecimal(rawMultiplier);}catch(NumberFormatException invalid){usage(sender);return;}var held=player.getInventory().getItemInMainHand();var character=sheets.identify(held).orElse(null);if(character==null||held.getAmount()!=1){sender.sendMessage("Hold exactly one authentic living character sheet in your main hand.");return;}if(physicalCopies(character)!=1){sender.sendMessage("Character boss assignment requires one unambiguous physical sheet.");return;}if(activeCharacter.test(character)){sender.sendMessage("That character has an active equipment session.");return;}if(partyCharacter.test(character)){sender.sendMessage("That character must leave its party before boss assignment.");return;}characters.apply(character).whenComplete((loaded,failure)->{if(failure!=null||loaded==null||loaded.isEmpty()||loaded.orElseThrow().dead()||loaded.orElseThrow().health().signum()<=0){respond(sender,()->sender.sendMessage("Character boss assignment refused: the saved living character could not be verified."));return;}var expected=loaded.orElseThrow();directory.assignCharacterBoss(dungeon,room.id(),expected,multiplier).whenComplete((custody,saveFailure)->{if(saveFailure!=null){respond(sender,()->sender.sendMessage("Character boss assignment failed before sheet custody changed."));return;}characters.apply(character).whenComplete((fresh,readFailure)->respond(sender,()->{if(readFailure!=null||fresh==null||fresh.isEmpty()||!fresh.orElseThrow().equals(expected)||activeCharacter.test(character)||partyCharacter.test(character)){directory.cancelAssignment(dungeon,custody.operation()).whenComplete((ignored,rollbackFailure)->respond(sender,()->sender.sendMessage(rollbackFailure==null?"Character boss assignment cancelled because the saved character changed.":"Character boss custody was saved but assignment rollback could not be confirmed; recover it before editing.")));return;}var current=player.getInventory().getItemInMainHand();if(!player.isOnline()||physicalCopies(character)!=1||current.getAmount()!=1||sheets.identify(current).filter(character::equals).isEmpty()){directory.cancelAssignment(dungeon,custody.operation()).whenComplete((ignored,rollbackFailure)->respond(sender,()->sender.sendMessage(rollbackFailure==null?"Character boss assignment cancelled because the held sheet changed.":"Character boss custody was saved but sheet consumption could not be confirmed; recover it before editing.")));return;}player.getInventory().setItemInMainHand(null);sender.sendMessage("Assigned character "+custody.character().name()+" as the dungeon boss at "+custody.multiplier().toPlainString()+"x stats; its sheet is now in durable custody.");}));});});}
+    private void bossCommand(CommandSender sender,String[] args){if(args.length!=4||!args[2].equals("recover-sheet")||!(sender instanceof Player player)){usage(sender);return;}UUID dungeon=id(args[3]);if(dungeon==null){usage(sender);return;}recoverCharacterBoss(sender,player,dungeon);}
+    private void recoverCharacterBoss(CommandSender sender,Player player,UUID dungeon){var definition=directory.find(dungeon).orElse(null);var custody=directory.custodyForDungeon(dungeon).orElse(null);if(definition==null||custody==null){sender.sendMessage("Dungeon character boss custody was not found.");return;}var catalog=adventures.snapshot().catalog();boolean offered=catalog!=null&&catalog.sites().contains(dungeon);boolean accepted=adventures.active().stream().anyMatch(quest->quest.site().equals(dungeon));if(definition.enabled()||offered||accepted||controller.beingEdited(dungeon)||controller.editing(player.getUniqueId()).isPresent()||controller.occupied(dungeon)){sender.sendMessage("Recovery requires a disabled, closed, unedited and unoccupied dungeon with no accepted quests.");return;}var physical=plugin.getServer().getOnlinePlayers().stream().flatMap(holder->Arrays.stream(holder.getInventory().getContents()).filter(Objects::nonNull).filter(item->sheets.identify(item).filter(custody.character().id()::equals).isPresent()).map(item->Map.entry(holder,item))).toList();if(physical.size()>1||physical.size()==1&&physical.getFirst().getKey()!=player){sender.sendMessage("Recovery refused because existing physical-sheet custody is ambiguous.");return;}boolean delivered=!physical.isEmpty()||custody.recovery()!=null&&Arrays.stream(player.getInventory().getContents()).anyMatch(item->sheets.hasRecovery(item,custody.recovery().operation()));if(!delivered&&player.getInventory().firstEmpty()<0){sender.sendMessage("One empty inventory slot is required before recovery.");return;}directory.prepareRecovery(dungeon,player.getUniqueId()).whenComplete((prepared,failure)->respond(sender,()->{if(failure!=null){sender.sendMessage("Character boss recovery could not be prepared; custody is retained.");return;}var operation=prepared.recovery().operation();org.bukkit.inventory.ItemStack sheet=null;for(var item:player.getInventory().getContents())if(sheets.hasRecovery(item,operation)||sheets.identify(item).filter(prepared.character().id()::equals).isPresent()){sheet=item;break;}if(sheet==null){int slot=player.getInventory().firstEmpty();if(slot<0){sender.sendMessage("Character boss recovery is prepared, but one empty inventory slot is required.");return;}sheet=sheets.create(prepared.character());sheets.markRecovery(sheet,operation);player.getInventory().setItem(slot,sheet);}var item=sheet;directory.completeRecovery(dungeon,operation).whenComplete((completed,completeFailure)->respond(sender,()->{if(completeFailure!=null||!completed){sender.sendMessage("Recovery sheet delivery is retained, but durable custody completion must be retried.");return;}sheets.clearRecovery(item);sender.sendMessage("Recovered character sheet for "+prepared.character().name()+" from dungeon "+dungeon+"; configure another boss before enabling it.");}));}));}
     private void enable(CommandSender sender,String[] args){if(args.length!=3){usage(sender);return;}UUID id=id(args[2]);if(id==null){usage(sender);return;}controller.enable(id).whenComplete((value,failure)->respond(sender,()->sender.sendMessage(failure==null?"Enabled dungeon "+id+" for later adventure catalogs.":"Dungeon enable refused: validate rooms, boss, overlap and persistence.")));}
     private void disable(CommandSender sender,String[] args){if(args.length!=4||!args[3].equals("confirm")){usage(sender);return;}UUID id=id(args[2]);if(id==null){usage(sender);return;}controller.disable(id).whenComplete((value,failure)->respond(sender,()->sender.sendMessage(failure!=null?"Dungeon disable failed; retained state is authoritative.":value?"Disabled and closed dungeon "+id+".":"Dungeon not found.")));}
     private void open(CommandSender sender,String[] args){if(args.length!=3){usage(sender);return;}UUID id=id(args[2]);if(id==null){usage(sender);return;}controller.open(id).whenComplete((value,failure)->respond(sender,()->sender.sendMessage(failure==null?"Opened dungeon "+id+" in generation "+value.revision()+".":"Dungeon open refused: it is invalid, disabled, defeated or the offer limit was reached.")));}
     private void close(CommandSender sender,String[] args){if(args.length!=4||!args[3].equals("confirm")){usage(sender);return;}UUID id=id(args[2]);if(id==null){usage(sender);return;}controller.closeOffer(id).whenComplete((value,failure)->respond(sender,()->sender.sendMessage(failure!=null?"Dungeon close failed; retained state is authoritative.":value?"Closed dungeon "+id+" for this generation.":"Dungeon was not open.")));}
-    public List<String> complete(CommandSender sender,String[] args){if(!sender.hasPermission(PERMISSION))return List.of();if(args.length==1)return matching(List.of("dungeon"),args[0]);if(args.length==2&&args[0].equals("dungeon"))return matching(sender instanceof Player?List.of("close","create","disable","edit","enable","entrance","list","open","remove","room"):List.of("close","disable","enable","list","open","remove"),args[1]);if(!args[0].equals("dungeon"))return List.of();if(args.length==3&&Set.of("close","disable","enable","open","remove").contains(args[1]))return matching(directory.snapshot().dungeons().stream().map(v->v.id().toString()).toList(),args[2]);if(args.length==4&&Set.of("close","disable","remove").contains(args[1]))return matching(List.of("confirm"),args[3]);if(args.length==3&&args[1].equals("edit"))return matching(List.of("done","start"),args[2]);if(args.length==4&&args[1].equals("edit")&&args[2].equals("start"))return matching(directory.snapshot().dungeons().stream().map(v->v.id().toString()).toList(),args[3]);if(args.length==5&&args[1].equals("edit")&&args[2].equals("start"))return matching(List.of("confirm"),args[4]);if(args.length==3&&args[1].equals("entrance"))return matching(List.of("set"),args[2]);if(args.length==3&&args[1].equals("room"))return matching(List.of("boss","create","effect","list","mob","remove","reward"),args[2]);if(args.length==4&&args[1].equals("room")&&args[2].equals("create"))return matching(List.of("corner","radius"),args[3]);if(args.length>=5&&args.length<=7&&args[1].equals("room")&&args[2].equals("create"))return matching(List.of("1","3","8","128","256"),args[args.length-1]);if(args.length==4&&args[1].equals("room")&&args[2].equals("remove")&&sender instanceof Player player){var id=controller.editing(player.getUniqueId()).orElse(null);return id==null?List.of():matching(directory.find(id).map(DungeonState.Dungeon::rooms).orElse(List.of()).stream().map(v->v.id().toString()).toList(),args[3]);}if(args.length==4&&args[1].equals("room")&&args[2].equals("mob"))return matching(List.of("add","list","remove"),args[3]);if(args.length==5&&args[1].equals("room")&&args[2].equals("mob")&&args[3].equals("add"))return matching(entityNames(),args[4]);if(args.length==5&&args[1].equals("room")&&args[2].equals("mob")&&args[3].equals("remove")&&sender instanceof Player player){var room=controller.standingRoom(player).orElse(null);return room==null?List.of():matching(room.mobs().stream().map(v->v.id().toString()).toList(),args[4]);}if(args.length==4&&args[1].equals("room")&&args[2].equals("effect"))return matching(List.of("add","remove"),args[3]);if(args.length==5&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(List.of("both","mobs","players"),args[4]);if(args.length==6&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(effectNames(),args[5]);if(args.length==7&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(List.of("1","2","64","256"),args[6]);if(args.length==8&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(List.of("false","true"),args[7]);if(args.length==5&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("remove")&&sender instanceof Player player){var room=controller.standingRoom(player).orElse(null);return room==null?List.of():matching(room.effects().stream().map(v->v.id().toString()).toList(),args[4]);}if(args.length==4&&args[1].equals("room")&&args[2].equals("reward"))return matching(List.of("set"),args[3]);if((args.length==5||args.length==6)&&args[1].equals("room")&&args[2].equals("reward")&&args[3].equals("set"))return matching(List.of("0","10","100","2147483647"),args[args.length-1]);if(args.length==4&&args[1].equals("room")&&args[2].equals("boss"))return matching(List.of("clear","mob"),args[3]);if(args.length==5&&args[1].equals("room")&&args[2].equals("boss")&&args[3].equals("mob"))return matching(entityNames(),args[4]);return List.of();}
+    public List<String> complete(CommandSender sender,String[] args){if(!sender.hasPermission(PERMISSION))return List.of();if(args.length==1)return matching(List.of("dungeon"),args[0]);if(args.length==2&&args[0].equals("dungeon"))return matching(sender instanceof Player?List.of("boss","close","create","disable","edit","enable","entrance","list","open","remove","room"):List.of("close","disable","enable","list","open","remove"),args[1]);if(!args[0].equals("dungeon"))return List.of();if(args.length==3&&args[1].equals("boss"))return matching(List.of("recover-sheet"),args[2]);if(args.length==4&&args[1].equals("boss")&&args[2].equals("recover-sheet"))return matching(directory.snapshot().dungeons().stream().filter(value->recoverable(value.id())).map(value->value.id().toString()).toList(),args[3]);if(args.length==3&&Set.of("close","disable","enable","open","remove").contains(args[1]))return matching(directory.snapshot().dungeons().stream().map(v->v.id().toString()).toList(),args[2]);if(args.length==4&&Set.of("close","disable","remove").contains(args[1]))return matching(List.of("confirm"),args[3]);if(args.length==3&&args[1].equals("edit"))return matching(List.of("done","start"),args[2]);if(args.length==4&&args[1].equals("edit")&&args[2].equals("start"))return matching(directory.snapshot().dungeons().stream().map(v->v.id().toString()).toList(),args[3]);if(args.length==5&&args[1].equals("edit")&&args[2].equals("start"))return matching(List.of("confirm"),args[4]);if(args.length==3&&args[1].equals("entrance"))return matching(List.of("set"),args[2]);if(args.length==3&&args[1].equals("room"))return matching(List.of("boss","create","effect","list","mob","remove","reward"),args[2]);if(args.length==4&&args[1].equals("room")&&args[2].equals("create"))return matching(List.of("corner","radius"),args[3]);if(args.length>=5&&args.length<=7&&args[1].equals("room")&&args[2].equals("create"))return matching(List.of("1","3","8","128","256"),args[args.length-1]);if(args.length==4&&args[1].equals("room")&&args[2].equals("remove")&&sender instanceof Player player){var id=controller.editing(player.getUniqueId()).orElse(null);return id==null?List.of():matching(directory.find(id).map(DungeonState.Dungeon::rooms).orElse(List.of()).stream().map(v->v.id().toString()).toList(),args[3]);}if(args.length==4&&args[1].equals("room")&&args[2].equals("mob"))return matching(List.of("add","list","remove"),args[3]);if(args.length==5&&args[1].equals("room")&&args[2].equals("mob")&&args[3].equals("add"))return matching(entityNames(),args[4]);if(args.length==5&&args[1].equals("room")&&args[2].equals("mob")&&args[3].equals("remove")&&sender instanceof Player player){var room=controller.standingRoom(player).orElse(null);return room==null?List.of():matching(room.mobs().stream().map(v->v.id().toString()).toList(),args[4]);}if(args.length==4&&args[1].equals("room")&&args[2].equals("effect"))return matching(List.of("add","remove"),args[3]);if(args.length==5&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(List.of("both","mobs","players"),args[4]);if(args.length==6&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(effectNames(),args[5]);if(args.length==7&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(List.of("1","2","64","256"),args[6]);if(args.length==8&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("add"))return matching(List.of("false","true"),args[7]);if(args.length==5&&args[1].equals("room")&&args[2].equals("effect")&&args[3].equals("remove")&&sender instanceof Player player){var room=controller.standingRoom(player).orElse(null);return room==null?List.of():matching(room.effects().stream().map(v->v.id().toString()).toList(),args[4]);}if(args.length==4&&args[1].equals("room")&&args[2].equals("reward"))return matching(List.of("set"),args[3]);if((args.length==5||args.length==6)&&args[1].equals("room")&&args[2].equals("reward")&&args[3].equals("set"))return matching(List.of("0","10","100","2147483647"),args[args.length-1]);if(args.length==4&&args[1].equals("room")&&args[2].equals("boss"))return matching(List.of("assign-sheet","clear","mob"),args[3]);if(args.length==5&&args[1].equals("room")&&args[2].equals("boss")&&args[3].equals("mob"))return matching(entityNames(),args[4]);if(args.length==5&&args[1].equals("room")&&args[2].equals("boss")&&args[3].equals("assign-sheet"))return matching(List.of("0.1","1","1.5","10","100"),args[4]);return List.of();}
+    private long physicalCopies(UUID character){return plugin.getServer().getOnlinePlayers().stream().flatMap(holder->Arrays.stream(holder.getInventory().getContents())).filter(Objects::nonNull).filter(item->sheets.identify(item).filter(character::equals).isPresent()).mapToLong(org.bukkit.inventory.ItemStack::getAmount).sum();}
+    private boolean recoverable(UUID dungeon){var definition=directory.find(dungeon).orElse(null);var catalog=adventures.snapshot().catalog();return definition!=null&&!definition.enabled()&&directory.custodyForDungeon(dungeon).isPresent()&&!controller.beingEdited(dungeon)&&!controller.occupied(dungeon)&&(catalog==null||!catalog.sites().contains(dungeon))&&adventures.active().stream().noneMatch(quest->quest.site().equals(dungeon));}
     private UUID editing(Player player){var result=controller.editing(player.getUniqueId()).orElse(null);if(result==null)player.sendMessage("Start editing one dungeon first.");return result;}
     private DungeonState.Room standing(CommandSender sender,Player player){var result=controller.standingRoom(player).orElse(null);if(result==null)sender.sendMessage("Stand inside exactly one room of the dungeon being edited.");return result;}
     private void saved(CommandSender sender,Throwable failure,String success){respond(sender,()->sender.sendMessage(failure==null?success:"Dungeon edit failed; desired state is unchanged."));}
@@ -46,5 +56,5 @@ public final class DungeonCommands {
     private static BigInteger whole(String value){try{return new BigInteger(value);}catch(NumberFormatException invalid){return null;}}
     private static String join(String[] args,int from){return from>=args.length?"":String.join(" ",Arrays.copyOfRange(args,from,args.length));}
     private static List<String> matching(Collection<String> values,String prefix){return values.stream().filter(value->value.startsWith(prefix)).distinct().sorted().toList();}
-    private static void usage(CommandSender sender){sender.sendMessage("Usage: /fantasystick dungeon <create|list|remove|edit|entrance|room|enable|disable|open|close> ...");}
+    private static void usage(CommandSender sender){sender.sendMessage("Usage: /fantasystick dungeon <create|list|remove|edit|entrance|room|boss|enable|disable|open|close> ...");}
 }

src/main/java/games/dmg/fantasystick/dungeon/DungeonController.java

@@ -2,6 +2,9 @@ package games.dmg.fantasystick.dungeon;
 
 import games.dmg.fantasystick.adventure.AdventureQuestDirectory;
 import games.dmg.fantasystick.adventure.AdventureQuestState;
+import games.dmg.fantasystick.ability.*;
+import games.dmg.fantasystick.passive.PassiveRegistry;
+import games.dmg.fantasystick.progression.Stat;
 import games.dmg.fantasystick.party.PartyRoster;
 import games.dmg.fantasystick.persistence.CharacterStorage;
 import games.dmg.fantasystick.progression.ProgressionRules;
@@ -27,19 +30,23 @@ public final class DungeonController implements Listener,AutoCloseable,games.dmg
     private record Edit(UUID dungeon,Map<UUID,Color> colors){}
     private static final String ENEMY="dungeon_enemy",PROJECTILE="dungeon_projectile";
     private record AttemptKey(UUID dungeon,UUID room){}
-    private static final class Attempt {final UUID dungeon,room,generation;final Map<UUID,UUID> entities=new HashMap<>();final Set<UUID> represented=new HashSet<>();UUID boss;Attempt(UUID dungeon,UUID room,UUID generation){this.dungeon=dungeon;this.room=room;this.generation=generation;}}
+    private static final class Attempt {final UUID dungeon,room,generation;final Map<UUID,UUID> entities=new HashMap<>();final Set<UUID> represented=new HashSet<>();final Map<UUID,Double> threat=new HashMap<>();final Map<String,Long> cooldowns=new HashMap<>();final Map<String,Long> effects=new HashMap<>();UUID boss,target;long lastCombat=System.nanoTime();Attempt(UUID dungeon,UUID room,UUID generation){this.dungeon=dungeon;this.room=room;this.generation=generation;}}
     private record Context(UUID character,UUID party,Set<UUID> members){}
     private record OwnedEffect(UUID dungeon,UUID player,PotionEffectType type,int amplifier,PotionEffect prior){}
-    private final Plugin plugin;private final DungeonDirectory dungeons;private final AdventureQuestDirectory adventures;private final EquipmentSessions sessions;private final PartyRoster parties;private final CharacterStorage characters;private final ProgressionRules progression;private final Consumer<Runnable> nextTick;private final java.util.random.RandomGenerator random;
+    private final Plugin plugin;private final DungeonDirectory dungeons;private final AdventureQuestDirectory adventures;private final EquipmentSessions sessions;private final PartyRoster parties;private final CharacterStorage characters;private final ProgressionRules progression;private final Consumer<Runnable> nextTick;private final java.util.random.RandomGenerator random;private final AbilityRegistry abilities;private final PassiveRegistry passives;private final java.util.function.Supplier<games.dmg.fantasystick.session.OutOfCombatRecovery.Settings> recoverySettings;private final java.util.function.Function<games.dmg.fantasystick.persistence.CharacterRecord,BigInteger> recoveryBonus;private final java.util.function.Supplier<BigInteger> healthStealHealing;
     private final NamespacedKey typeKey,dungeonKey,roomKey,slotKey,generationKey,bossKey;
-    private final Map<UUID,Edit> playerEdits=new HashMap<>();private final Map<UUID,UUID> dungeonEditors=new HashMap<>();private final Map<AttemptKey,Attempt> attempts=new HashMap<>();private final Set<String> startingRuns=new HashSet<>();private final Set<AttemptKey> completing=new HashSet<>();private final Set<UUID> defeatingDungeons=new HashSet<>();private final Set<CompletableFuture<?>> inFlight=ConcurrentHashMap.newKeySet();private final Map<String,OwnedEffect> ownedEffects=new HashMap<>();private final Set<Entity> relocating=Collections.newSetFromMap(new IdentityHashMap<>());private org.bukkit.scheduler.BukkitTask pulse;private boolean closed;
-    public DungeonController(Plugin plugin,DungeonDirectory dungeons,AdventureQuestDirectory adventures,EquipmentSessions sessions,PartyRoster parties,CharacterStorage characters,ProgressionRules progression,Consumer<Runnable> nextTick,java.util.random.RandomGenerator random){this.plugin=Objects.requireNonNull(plugin);this.dungeons=Objects.requireNonNull(dungeons);this.adventures=Objects.requireNonNull(adventures);this.sessions=Objects.requireNonNull(sessions);this.parties=Objects.requireNonNull(parties);this.characters=Objects.requireNonNull(characters);this.progression=Objects.requireNonNull(progression);this.nextTick=Objects.requireNonNull(nextTick);this.random=Objects.requireNonNull(random);typeKey=new NamespacedKey(plugin,"managed_npc_type");dungeonKey=new NamespacedKey(plugin,"dungeon_id");roomKey=new NamespacedKey(plugin,"dungeon_room_id");slotKey=new NamespacedKey(plugin,"dungeon_spawn_id");generationKey=new NamespacedKey(plugin,"dungeon_generation_id");bossKey=new NamespacedKey(plugin,"dungeon_boss");}
-    public void install(){synchronizeEnabled();for(var world:plugin.getServer().getWorlds())for(var entity:safe(world.getEntities()))if(managed(entity))entity.remove();pulse=plugin.getServer().getScheduler().runTaskTimer(plugin,this::tick,10,10);}
+    private final Map<UUID,Edit> playerEdits=new HashMap<>();private final Map<UUID,UUID> dungeonEditors=new HashMap<>();private final Map<AttemptKey,Attempt> attempts=new HashMap<>();private final Set<String> startingRuns=new HashSet<>();private final Set<AttemptKey> completing=new HashSet<>();private final Set<UUID> defeatingDungeons=new HashSet<>();private final Set<CompletableFuture<?>> inFlight=ConcurrentHashMap.newKeySet();private final Map<String,OwnedEffect> ownedEffects=new HashMap<>();private final Set<Entity> relocating=Collections.newSetFromMap(new IdentityHashMap<>());private org.bukkit.scheduler.BukkitTask pulse;private boolean closed;private long ticks=9;
+    public DungeonController(Plugin plugin,DungeonDirectory dungeons,AdventureQuestDirectory adventures,EquipmentSessions sessions,PartyRoster parties,CharacterStorage characters,ProgressionRules progression,Consumer<Runnable> nextTick,java.util.random.RandomGenerator random){this(plugin,dungeons,adventures,sessions,parties,characters,progression,nextTick,random,new AbilityRegistry(),new PassiveRegistry(),games.dmg.fantasystick.session.OutOfCombatRecovery.Settings::defaults,ignored->BigInteger.ZERO,()->BigInteger.ONE);}
+    public DungeonController(Plugin plugin,DungeonDirectory dungeons,AdventureQuestDirectory adventures,EquipmentSessions sessions,PartyRoster parties,CharacterStorage characters,ProgressionRules progression,Consumer<Runnable> nextTick,java.util.random.RandomGenerator random,AbilityRegistry abilities,PassiveRegistry passives){this(plugin,dungeons,adventures,sessions,parties,characters,progression,nextTick,random,abilities,passives,games.dmg.fantasystick.session.OutOfCombatRecovery.Settings::defaults,ignored->BigInteger.ZERO,()->BigInteger.ONE);}
+    public DungeonController(Plugin plugin,DungeonDirectory dungeons,AdventureQuestDirectory adventures,EquipmentSessions sessions,PartyRoster parties,CharacterStorage characters,ProgressionRules progression,Consumer<Runnable> nextTick,java.util.random.RandomGenerator random,AbilityRegistry abilities,PassiveRegistry passives,java.util.function.Supplier<games.dmg.fantasystick.session.OutOfCombatRecovery.Settings> recoverySettings,java.util.function.Function<games.dmg.fantasystick.persistence.CharacterRecord,BigInteger> recoveryBonus,java.util.function.Supplier<BigInteger> healthStealHealing){this.plugin=Objects.requireNonNull(plugin);this.dungeons=Objects.requireNonNull(dungeons);this.adventures=Objects.requireNonNull(adventures);this.sessions=Objects.requireNonNull(sessions);this.parties=Objects.requireNonNull(parties);this.characters=Objects.requireNonNull(characters);this.progression=Objects.requireNonNull(progression);this.nextTick=Objects.requireNonNull(nextTick);this.random=Objects.requireNonNull(random);this.abilities=Objects.requireNonNull(abilities);this.passives=Objects.requireNonNull(passives);this.recoverySettings=Objects.requireNonNull(recoverySettings);this.recoveryBonus=Objects.requireNonNull(recoveryBonus);this.healthStealHealing=Objects.requireNonNull(healthStealHealing);typeKey=new NamespacedKey(plugin,"managed_npc_type");dungeonKey=new NamespacedKey(plugin,"dungeon_id");roomKey=new NamespacedKey(plugin,"dungeon_room_id");slotKey=new NamespacedKey(plugin,"dungeon_spawn_id");generationKey=new NamespacedKey(plugin,"dungeon_generation_id");bossKey=new NamespacedKey(plugin,"dungeon_boss");}
+    public void install(){synchronizeEnabled();for(var world:plugin.getServer().getWorlds())for(var entity:safe(world.getEntities()))if(managed(entity))entity.remove();pulse=plugin.getServer().getScheduler().runTaskTimer(plugin,this::tick,1,1);}
     public boolean managed(Entity entity){var data=entity.getPersistentDataContainer();if(data==null)return false;var type=data.get(typeKey,PersistentDataType.STRING);return ENEMY.equals(type)||PROJECTILE.equals(type);}
     private void synchronizeEnabled(){for(var site:adventures.snapshot().sites())if(site.type()==AdventureQuestState.SiteType.DUNGEON)adventures.removeDungeonSite(site.id());}
-    public CompletionStage<EditStatus> start(Player player,UUID dungeonId,boolean confirm){if(closed)return CompletableFuture.completedFuture(EditStatus.BUSY);UUID playerId=player.getUniqueId();var dungeon=dungeons.find(dungeonId).orElse(null);if(dungeon==null)return CompletableFuture.completedFuture(EditStatus.NOT_FOUND);synchronized(this){if(playerEdits.containsKey(playerId)||dungeonEditors.containsKey(dungeonId))return CompletableFuture.completedFuture(EditStatus.BUSY);}var catalog=adventures.snapshot().catalog();boolean offered=catalog!=null&&catalog.sites().contains(dungeonId);boolean work=offered||adventures.active().stream().anyMatch(q->q.site().equals(dungeonId))||dungeons.snapshot().runs().stream().anyMatch(run->run.dungeon().equals(dungeonId));if(work&&!confirm)return CompletableFuture.completedFuture(EditStatus.CONFIRM_REQUIRED);CompletionStage<?> transition=settleAwards().thenCompose(ignored->dungeons.disable(dungeonId)).thenCompose(ignored->adventures.closeOffer(dungeonId)).thenCompose(ignored->adventures.removeDungeonSite(dungeonId)).thenCompose(ignored->cleanupOnMain(dungeonId));return transition.thenApply(ignored->{synchronized(this){if(closed||!player.isOnline()||playerEdits.containsKey(playerId)||dungeonEditors.containsKey(dungeonId))return EditStatus.BUSY;var colors=new HashMap<UUID,Color>();for(var room:dungeons.find(dungeonId).orElseThrow().rooms())colors.put(room.id(),randomColor());playerEdits.put(playerId,new Edit(dungeonId,colors));dungeonEditors.put(dungeonId,playerId);return EditStatus.STARTED;}});}
+    public CompletionStage<EditStatus> start(Player player,UUID dungeonId,boolean confirm){if(closed)return CompletableFuture.completedFuture(EditStatus.BUSY);UUID playerId=player.getUniqueId();var dungeon=dungeons.find(dungeonId).orElse(null);if(dungeon==null)return CompletableFuture.completedFuture(EditStatus.NOT_FOUND);synchronized(this){if(playerEdits.containsKey(playerId)||dungeonEditors.containsKey(dungeonId))return CompletableFuture.completedFuture(EditStatus.BUSY);}var catalog=adventures.snapshot().catalog();boolean offered=catalog!=null&&catalog.sites().contains(dungeonId);boolean work=offered||adventures.active().stream().anyMatch(q->q.site().equals(dungeonId))||dungeons.snapshot().runs().stream().anyMatch(run->run.dungeon().equals(dungeonId));if(work&&!confirm)return CompletableFuture.completedFuture(EditStatus.CONFIRM_REQUIRED);CompletionStage<?> transition=settleAwards().thenCompose(ignored->dungeons.disable(dungeonId)).thenCompose(ignored->adventures.closeOffer(dungeonId)).thenCompose(ignored->adventures.removeDungeonSite(dungeonId)).thenCompose(ignored->cleanupOnMain(dungeonId));return transition.thenApply(ignored->{synchronized(this){if(closed||playerEdits.containsKey(playerId)||dungeonEditors.containsKey(dungeonId))return EditStatus.BUSY;var colors=new HashMap<UUID,Color>();for(var room:dungeons.find(dungeonId).orElseThrow().rooms())colors.put(room.id(),randomColor());playerEdits.put(playerId,new Edit(dungeonId,colors));dungeonEditors.put(dungeonId,playerId);return EditStatus.STARTED;}});}
     public synchronized boolean done(UUID player){var edit=playerEdits.remove(player);if(edit==null)return false;dungeonEditors.remove(edit.dungeon(),player);return true;}
     public synchronized Optional<UUID> editing(UUID player){var edit=playerEdits.get(player);return edit==null?Optional.empty():Optional.of(edit.dungeon());}
+    public synchronized boolean beingEdited(UUID dungeon){return dungeonEditors.containsKey(dungeon);}
+    public boolean occupied(UUID dungeon){var definition=dungeons.find(dungeon).orElse(null);if(definition==null)return false;return plugin.getServer().getOnlinePlayers().stream().anyMatch(player->definition.rooms().stream().anyMatch(room->inside(player.getLocation(),definition,room)));}
     public Optional<DungeonState.Room> standingRoom(Player player){var dungeon=editing(player.getUniqueId()).orElse(null);if(dungeon==null)return Optional.empty();var location=player.getLocation();return dungeons.roomAt(dungeon,location.getBlockX(),location.getBlockY(),location.getBlockZ());}
     public CompletionStage<DungeonState.Dungeon> enable(UUID id){synchronized(this){if(dungeonEditors.containsKey(id))return CompletableFuture.failedFuture(new IllegalStateException("Dungeon is being edited"));}return dungeons.enable(id,List.of());}
     public CompletionStage<Boolean> disable(UUID id){return settleAwards().thenCompose(ignored->dungeons.disable(id)).thenCompose(value->adventures.closeOffer(id).thenCompose(ignored->adventures.removeDungeonSite(id)).thenCompose(ignored->cleanupOnMain(id)).thenApply(ignored->value.isPresent()));}
@@ -48,8 +55,8 @@ public final class DungeonController implements Listener,AutoCloseable,games.dmg
     private CompletableFuture<Void> settleAwards(){return CompletableFuture.allOf(inFlight.stream().map(future->future.handle((ignored,failure)->null)).toArray(CompletableFuture[]::new));}
     private CompletionStage<Void> cleanupOnMain(UUID dungeon){var result=new CompletableFuture<Void>();if(closed){result.completeExceptionally(new IllegalStateException("Dungeon controller closed"));return result;}try{nextTick.accept(()->{if(closed){result.completeExceptionally(new IllegalStateException("Dungeon controller closed"));return;}cleanupDungeon(dungeon);synchronized(this){var editor=dungeonEditors.remove(dungeon);if(editor!=null)playerEdits.remove(editor);}result.complete(null);});}catch(RuntimeException failure){result.completeExceptionally(failure);}return result;}
     public void definitionChanged(UUID dungeon){synchronized(this){var editor=dungeonEditors.get(dungeon);if(editor==null)return;var edit=playerEdits.get(editor);if(edit==null)return;for(var room:dungeons.find(dungeon).map(DungeonState.Dungeon::rooms).orElse(List.of()))edit.colors().computeIfAbsent(room.id(),ignored->randomColor());}}
-    private void tick(){if(closed)return;showBorders();runtime();}
-    private void runtime(){var catalog=adventures.snapshot().catalog();if(catalog==null||adventures.snapshot().reset()!=null){cleanupRuntime();return;}var activeDungeonIds=catalog.sites().stream().filter(id->adventures.findSite(id).map(AdventureQuestState.Site::type).orElse(null)==AdventureQuestState.SiteType.DUNGEON).collect(java.util.stream.Collectors.toSet());for(var key:new ArrayList<>(attempts.keySet()))if(!activeDungeonIds.contains(key.dungeon()))cleanupAttempt(key);var activeEffects=new HashSet<String>();for(UUID dungeonId:activeDungeonIds){if(defeatingDungeons.contains(dungeonId))continue;var dungeon=dungeons.find(dungeonId).orElse(null);if(dungeon==null)continue;var run=dungeons.runView(dungeonId,catalog.revision()).orElse(null);if(run==null){String key=dungeonId+":"+catalog.revision();if(startingRuns.add(key))dungeons.run(dungeonId,catalog.revision()).whenComplete((ignored,failure)->schedule(()->startingRuns.remove(key)));continue;}if(run.defeated()){cleanupDungeon(dungeonId);continue;}for(var room:dungeon.rooms()){var players=eligibleInside(dungeon,room).toList();var key=new AttemptKey(dungeonId,room.id());if(players.isEmpty()){cleanupAttempt(key);continue;}applyPlayerEffects(dungeon.id(),room,players,activeEffects);if(run.clearedRooms().contains(room.id())){cleanupAttempt(key);continue;}if(completing.contains(key))continue;var attempt=attempts.computeIfAbsent(key,ignored->new Attempt(dungeonId,room.id(),catalog.revision()));contain(dungeon,room,attempt);if(attempt.entities.isEmpty()&&attempt.boss==null)spawnRoom(dungeon,room,run,attempt);if(room.mobs().isEmpty()&&room.boss()==null){attempt.represented.addAll(players.stream().map(this::eligibleQuest).filter(Objects::nonNull).map(AdventureQuestState.Quest::id).toList());clearRoom(dungeon,room,attempt,false);}}}cleanupOwnedEffects(activeEffects);}
+    private void tick(){if(closed)return;if(++ticks%10==0)showBorders();runtime();}
+    private void runtime(){var catalog=adventures.snapshot().catalog();if(catalog==null||adventures.snapshot().reset()!=null){cleanupRuntime();return;}var activeDungeonIds=catalog.sites().stream().filter(id->adventures.findSite(id).map(AdventureQuestState.Site::type).orElse(null)==AdventureQuestState.SiteType.DUNGEON).collect(java.util.stream.Collectors.toSet());for(var key:new ArrayList<>(attempts.keySet()))if(!activeDungeonIds.contains(key.dungeon()))cleanupAttempt(key);var activeEffects=new HashSet<String>();for(UUID dungeonId:activeDungeonIds){if(defeatingDungeons.contains(dungeonId))continue;var dungeon=dungeons.find(dungeonId).orElse(null);if(dungeon==null)continue;var run=dungeons.runView(dungeonId,catalog.revision()).orElse(null);if(run==null){String key=dungeonId+":"+catalog.revision();if(startingRuns.add(key))dungeons.run(dungeonId,catalog.revision()).whenComplete((ignored,failure)->schedule(()->startingRuns.remove(key)));continue;}if(run.defeated()){cleanupDungeon(dungeonId);continue;}for(var room:dungeon.rooms()){var players=eligibleInside(dungeon,room).toList();var key=new AttemptKey(dungeonId,room.id());if(players.isEmpty()){cleanupAttempt(key);continue;}applyPlayerEffects(dungeon.id(),room,players,activeEffects);if(run.clearedRooms().contains(room.id())){cleanupAttempt(key);continue;}if(completing.contains(key))continue;var attempt=attempts.computeIfAbsent(key,ignored->new Attempt(dungeonId,room.id(),catalog.revision()));contain(dungeon,room,attempt);if(attempt.entities.isEmpty()&&attempt.boss==null)spawnRoom(dungeon,room,run,attempt);if(room.boss()!=null&&room.boss().character()!=null)driveCharacterBoss(dungeon,room,attempt,players);if(room.mobs().isEmpty()&&room.boss()==null){attempt.represented.addAll(players.stream().map(this::eligibleQuest).filter(Objects::nonNull).map(AdventureQuestState.Quest::id).toList());clearRoom(dungeon,room,attempt,false);}}}cleanupOwnedEffects(activeEffects);}
     private Context context(Player player){var active=sessions.active(player.getUniqueId()).filter(sessions::current).orElse(null);if(active==null)return null;var record=sessions.currentRecord(active).orElse(null);if(record==null||record.dead())return null;var party=parties.partyOf(player.getUniqueId()).orElse(null);return party==null?new Context(record.id(),null,Set.of(record.id())):new Context(record.id(),party.id(),Set.copyOf(party.characters()));}
     private AdventureQuestState.Quest eligibleQuest(Player player){var context=context(player);if(context==null)return null;var quest=adventures.activeFor(context.character(),context.party()).orElse(null);return quest!=null&&quest.snapshot().contains(context.character())?quest:null;}
     private AdventureQuestState.Quest eligible(Player player,UUID dungeon){var quest=eligibleQuest(player);return quest!=null&&quest.site().equals(dungeon)?quest:null;}
@@ -57,7 +64,46 @@ public final class DungeonController implements Listener,AutoCloseable,games.dmg
     private java.util.stream.Stream<Player> eligibleInside(DungeonState.Dungeon dungeon,DungeonState.Room room){return plugin.getServer().getOnlinePlayers().stream().map(Player.class::cast).filter(player->eligible(player,dungeon.id())!=null).filter(player->inside(player.getLocation(),dungeon,room));}
     private static boolean inside(Location location,DungeonState.Dungeon dungeon,DungeonState.Room room){return location.getWorld()!=null&&location.getWorld().getUID().equals(dungeon.world())&&room.bounds().contains(location.getBlockX(),location.getBlockY(),location.getBlockZ());}
     @SuppressWarnings({"unchecked","rawtypes"}) private void spawnRoom(DungeonState.Dungeon dungeon,DungeonState.Room room,DungeonState.Run run,Attempt attempt){var world=plugin.getServer().getWorld(dungeon.world());if(world==null)return;for(var slot:room.mobs())if(!run.defeatedSlots().contains(slot.id())&&loaded(world,slot.position()))world.spawn(location(world,slot.position()),(Class)slot.type().getEntityClass(),entity->configure((Mob)entity,dungeon,room,attempt,slot.id(),false,slot.name(),room.effects()));if(room.boss()!=null&&loaded(world,room.boss().position()))world.spawn(location(world,room.boss().position()),(Class)room.boss().type().getEntityClass(),entity->configure((Mob)entity,dungeon,room,attempt,null,true,room.boss().name(),room.effects()));}
-    private void configure(Mob mob,DungeonState.Dungeon dungeon,DungeonState.Room room,Attempt attempt,UUID slot,boolean boss,String name,List<DungeonState.Effect> effects){var data=mob.getPersistentDataContainer();data.set(typeKey,PersistentDataType.STRING,ENEMY);data.set(dungeonKey,PersistentDataType.STRING,dungeon.id().toString());data.set(roomKey,PersistentDataType.STRING,room.id().toString());data.set(generationKey,PersistentDataType.STRING,attempt.generation.toString());data.set(bossKey,PersistentDataType.BOOLEAN,boss);if(slot!=null)data.set(slotKey,PersistentDataType.STRING,slot.toString());mob.setCanPickupItems(false);mob.setRemoveWhenFarAway(false);mob.setPersistent(true);mob.setFireTicks(0);if(mob instanceof Raider raider){raider.setPatrolLeader(false);raider.setCanJoinRaid(false);}if(mob instanceof Zombie zombie)zombie.setShouldBurnInDay(false);if(!name.isBlank()){mob.customName(net.kyori.adventure.text.Component.text(name));mob.setCustomNameVisible(true);}if(boss){attempt.boss=mob.getUniqueId();}else attempt.entities.put(mob.getUniqueId(),slot);applyMobEffects(mob,effects);}
+    private void configure(Mob mob,DungeonState.Dungeon dungeon,DungeonState.Room room,Attempt attempt,UUID slot,boolean boss,String name,List<DungeonState.Effect> effects){var data=mob.getPersistentDataContainer();data.set(typeKey,PersistentDataType.STRING,ENEMY);data.set(dungeonKey,PersistentDataType.STRING,dungeon.id().toString());data.set(roomKey,PersistentDataType.STRING,room.id().toString());data.set(generationKey,PersistentDataType.STRING,attempt.generation.toString());data.set(bossKey,PersistentDataType.BOOLEAN,boss);if(slot!=null)data.set(slotKey,PersistentDataType.STRING,slot.toString());mob.setCanPickupItems(false);mob.setRemoveWhenFarAway(false);mob.setPersistent(true);mob.setFireTicks(0);if(mob instanceof Raider raider){raider.setPatrolLeader(false);raider.setCanJoinRaid(false);}if(mob instanceof Zombie zombie)zombie.setShouldBurnInDay(false);if(!name.isBlank()){mob.customName(net.kyori.adventure.text.Component.text(name));mob.setCustomNameVisible(true);}if(boss){attempt.boss=mob.getUniqueId();if(room.boss()!=null&&room.boss().character()!=null)configureCharacterBoss(mob,room.boss().character());}else attempt.entities.put(mob.getUniqueId(),slot);applyMobEffects(mob,effects);}
+    private void configureCharacterBoss(Mob mob,DungeonState.CharacterBoss custody){var stats=custody.effectiveStats();var maximum=new java.math.BigDecimal(stats.get(Stat.CON).add(BigInteger.TEN)).min(games.dmg.fantasystick.session.NativeHealthLimit.read()).max(java.math.BigDecimal.ONE).doubleValue();var health=mob.getAttribute(org.bukkit.attribute.Attribute.MAX_HEALTH);if(health!=null){health.setBaseValue(maximum);mob.setHealth(maximum);}var damage=mob.getAttribute(org.bukkit.attribute.Attribute.ATTACK_DAMAGE);if(damage!=null)damage.setBaseValue(Math.min(characterDamage(stats.get(Stat.STR)),nativeAttributeMaximum(org.bukkit.attribute.Attribute.ATTACK_DAMAGE)));var equipment=mob.getEquipment();if(equipment!=null){var gear=custody.character().gear();equipment.setChestplate(armor(org.bukkit.inventory.EquipmentSlot.CHEST,gear.chestplate()));equipment.setLeggings(armor(org.bukkit.inventory.EquipmentSlot.LEGS,gear.leggings()));equipment.setBoots(armor(org.bukkit.inventory.EquipmentSlot.FEET,gear.boots()));equipment.setChestplateDropChance(0);equipment.setLeggingsDropChance(0);equipment.setBootsDropChance(0);}for(var id:custody.character().passives())if(passives.find(id).isPresent()){if(id.equals("speed_i"))mob.addPotionEffect(new PotionEffect(PotionEffectType.SPEED,PotionEffect.INFINITE_DURATION,0,false,false));else if(id.equals("low_light_vision"))mob.addPotionEffect(new PotionEffect(PotionEffectType.NIGHT_VISION,PotionEffect.INFINITE_DURATION,0,false,false));}}
+    private static double nativeAttributeMaximum(org.bukkit.attribute.Attribute attribute){try{var handle=attribute.getClass().getMethod("getHandle").invoke(attribute);double maximum=((Number)handle.getClass().getMethod("getMaxValue").invoke(handle)).doubleValue();if(!Double.isFinite(maximum)||maximum<=0)throw new IllegalStateException("Invalid native attribute range");return maximum;}catch(ReflectiveOperationException|ClassCastException failure){throw new IllegalStateException("Cannot read native attribute range",failure);}}
+    private static BigInteger modifier(BigInteger stat){var delta=stat.subtract(BigInteger.TEN);var parts=delta.divideAndRemainder(BigInteger.TWO);return delta.signum()<0&&parts[1].signum()!=0?parts[0].subtract(BigInteger.ONE):parts[0];}
+    private static double characterDamage(BigInteger stat){var value=modifier(stat).add(BigInteger.ONE).max(BigInteger.ONE);return value.bitLength()>1023?Double.MAX_VALUE:value.doubleValue();}
+    private static double abilityAmount(AbilityDefinition definition,DungeonState.CharacterBoss custody,boolean healing){var stats=custody.effectiveStats();Stat stat=healing?Stat.WIS:switch(definition.id()){case"great_sword","shield_bash"->Stat.STR;case"longbow"->Stat.DEX;case"hex"->Stat.CHR;default->Stat.INT;};var base=definition.parameters().get(healing?"base-healing":"base-damage");var exact=(base==null?BigInteger.ZERO:base.toBigInteger()).add(modifier(stats.get(stat))).max(BigInteger.ZERO);return exact.bitLength()>1023?Double.MAX_VALUE:exact.doubleValue();}
+    private static double range(AbilityDefinition definition){for(var key:List.of("range","initial-range","target-range","placement-range")){var value=definition.parameters().get(key);if(value!=null)return value.doubleValue();}return definition.id().equals("great_sword")?4d:16d;}
+    private static org.bukkit.inventory.ItemStack armor(org.bukkit.inventory.EquipmentSlot slot,games.dmg.fantasystick.persistence.GearTier tier){if(tier==games.dmg.fantasystick.persistence.GearTier.NONE)return null;String material=(tier==games.dmg.fantasystick.persistence.GearTier.GOLD?"GOLDEN":tier.name())+"_"+switch(slot){case CHEST->"CHESTPLATE";case LEGS->"LEGGINGS";case FEET->"BOOTS";default->throw new IllegalArgumentException("Not armor");};return new org.bukkit.inventory.ItemStack(Material.valueOf(material));}
+    private void driveCharacterBoss(DungeonState.Dungeon dungeon,DungeonState.Room room,Attempt attempt,List<Player> eligible){var world=plugin.getServer().getWorld(dungeon.world());if(world==null)return;Mob boss=null;for(var entity:safe(world.getEntities()))if(entity instanceof Mob mob&&Objects.equals(attempt.boss,mob.getUniqueId())){boss=mob;break;}if(boss==null)return;var actor=boss;long now=System.nanoTime();if(attempt.effects.getOrDefault("absorption",Long.MAX_VALUE)<=now){boss.setAbsorptionAmount(0);attempt.effects.remove("absorption");}var eligibleIds=eligible.stream().map(Player::getUniqueId).collect(java.util.stream.Collectors.toSet());attempt.threat.keySet().removeIf(id->!eligibleIds.contains(id));Player target=eligible.stream().filter(player->player.getUniqueId().equals(attempt.target)&&!player.isDead()&&actor.hasLineOfSight(player)).findFirst().orElse(null);if(target==null&&!attempt.threat.isEmpty()){target=eligible.stream().filter(player->!player.isDead()&&actor.hasLineOfSight(player)&&attempt.threat.containsKey(player.getUniqueId())).max(Comparator.<Player>comparingDouble(player->attempt.threat.getOrDefault(player.getUniqueId(),0d)).thenComparing(player->player.getUniqueId().toString(),Comparator.reverseOrder())).orElse(null);attempt.target=target==null?null:target.getUniqueId();}if(target==null){regenerateCharacterBoss(boss,room.boss().character(),attempt);return;}if(boss.getTarget()!=target)boss.setTarget(target);castCharacterAbility(boss,target,eligible,room.boss().character(),attempt);}
+    private void regenerateCharacterBoss(Mob boss,DungeonState.CharacterBoss custody,Attempt attempt){var settings=recoverySettings.get();long now=System.nanoTime();long ready=attempt.cooldowns.getOrDefault("recovery",attempt.lastCombat+settings.delay().toNanos());if(now<ready)return;var maximum=boss.getAttribute(org.bukkit.attribute.Attribute.MAX_HEALTH);var amount=settings.amount().add(recoveryBonus.apply(custody.character()));if(maximum!=null&&amount.signum()>0&&boss.getHealth()<maximum.getValue())healBoss(boss,Math.min(Double.MAX_VALUE,amount.doubleValue()));attempt.cooldowns.put("recovery",now+settings.interval().toNanos());}
+    private void castCharacterAbility(Mob boss,Player target,List<Player> eligible,DungeonState.CharacterBoss custody,Attempt attempt){
+        long now=System.nanoTime();
+        for(String id:custody.character().loadout()){
+            if(id.isBlank()||!custody.character().learned().contains(id))continue;
+            var definition=abilities.find(id).orElse(null);
+            if(definition==null||now<attempt.cooldowns.getOrDefault(id,0L)
+                    ||definition.targetPolicy()==AbilityDefinition.TargetPolicy.EXCEPTIONAL_NONCOMBAT
+                    ||definition.targetPolicy()==AbilityDefinition.TargetPolicy.EXCEPTIONAL_NONCOMBAT_SELECTION
+                    ||id.equals("revive")||id.equals("guardian_bond"))continue;
+            double range=range(definition);
+            if(definition.category()==AbilityDefinition.Category.ATK&&(definition.targetPolicy()!=AbilityDefinition.TargetPolicy.AREA||id.equals("meteor"))
+                    &&(!boss.hasLineOfSight(target)||boss.getLocation().distanceSquared(target.getLocation())>range*range))continue;
+            boolean cast;
+            if(id.equals("purify")){
+                var harmful=boss.getActivePotionEffects().stream().filter(effect->effect.getType().getEffectCategory().name().equals("HARMFUL")).toList();
+                for(var effect:harmful)boss.removePotionEffect(effect.getType());
+                cast=!harmful.isEmpty();
+            }else if(id.equals("hex")){
+                target.addPotionEffect(new PotionEffect(PotionEffectType.WEAKNESS,Math.max(20,(int)Math.min(1200,definition.cooldown().toMillis()/50)),0,false,true),true);cast=true;
+            }else cast=switch(definition.category()){
+                case HEAL->{yield healBoss(boss,abilityAmount(definition,custody,true));}
+                case BUF->{if(id.equals("quickstep")){var direction=target.getLocation().toVector().subtract(boss.getLocation().toVector());double distance=definition.parameters().getOrDefault("distance",java.math.BigDecimal.ONE).doubleValue();if(direction.lengthSquared()==0||!Double.isFinite(distance)||distance<=0)yield false;boss.setVelocity(direction.normalize().multiply(distance));yield true;}if(id.equals("inspire")){double amount=definition.parameters().getOrDefault("base-temporary-health",java.math.BigDecimal.ZERO).add(new java.math.BigDecimal(modifier(custody.effectiveStats().get(Stat.CHR)))).max(java.math.BigDecimal.ZERO).doubleValue();if(amount<=boss.getAbsorptionAmount())yield false;boss.setAbsorptionAmount(amount);attempt.effects.put("absorption",now+java.time.Duration.ofMillis(durationTicks(definition)*50L).toNanos());yield true;}var type=id.equals("stone_skin")?PotionEffectType.RESISTANCE:id.equals("rallying_cry")?PotionEffectType.SPEED:PotionEffectType.STRENGTH;boss.addPotionEffect(new PotionEffect(type,durationTicks(definition),0,false,false),true);yield true;}
+                case ATK->{var victims=abilityVictims(definition,boss,target,eligible,range);double amount=abilityAmount(definition,custody,false);if(amount<=0)yield false;for(int index=0;index<victims.size();index++){var victim=victims.get(index);double strike=id.equals("chain_lightning")?java.math.BigDecimal.valueOf(amount).multiply(definition.parameters().getOrDefault("jump-multiplier",java.math.BigDecimal.ONE).pow(index)).doubleValue():amount;victim.damage(strike,boss);if(id.equals("frost_shard")||id.equals("frost_nova"))victim.addPotionEffect(new PotionEffect(PotionEffectType.SLOWNESS,40,0,false,true),true);}yield !victims.isEmpty();}
+            };
+            if(cast)attempt.cooldowns.put(id,now+definition.cooldown().toNanos());
+        }
+    }
+    private static int durationTicks(AbilityDefinition definition){var seconds=definition.parameters().get("duration-seconds");long ticks=seconds==null?Math.max(20,definition.cooldown().toMillis()/50):seconds.movePointRight(1).longValue();return (int)Math.max(1,Math.min(Integer.MAX_VALUE,ticks));}
+    private boolean healBoss(Mob boss,double requested){var maximum=boss.getAttribute(org.bukkit.attribute.Attribute.MAX_HEALTH);if(maximum==null||!Double.isFinite(requested)||requested<=0)return false;double accepted=Math.min(requested,maximum.getValue()-boss.getHealth());if(accepted<=0)return false;var event=new EntityRegainHealthEvent(boss,accepted,EntityRegainHealthEvent.RegainReason.CUSTOM);plugin.getServer().getPluginManager().callEvent(event);if(event.isCancelled()||!Double.isFinite(event.getAmount())||event.getAmount()<=0)return false;double before=boss.getHealth();boss.setHealth(Math.min(maximum.getValue(),before+event.getAmount()));return boss.getHealth()>before;}
+    private static List<Player> abilityVictims(AbilityDefinition definition,Mob boss,Player target,List<Player> eligible,double range){if(definition.id().equals("chain_lightning")){var result=new ArrayList<Player>();result.add(target);int maximum=1+definition.parameters().getOrDefault("additional-targets",java.math.BigDecimal.ZERO).intValue();double jump=definition.parameters().getOrDefault("jump-range",java.math.BigDecimal.valueOf(range)).doubleValue();Player current=target;while(result.size()<maximum){var origin=current;var next=eligible.stream().filter(player->!result.contains(player)&&origin.hasLineOfSight(player)&&origin.getLocation().distanceSquared(player.getLocation())<=jump*jump).min(Comparator.comparingDouble((Player player)->origin.getLocation().distanceSquared(player.getLocation())).thenComparing(player->player.getUniqueId().toString())).orElse(null);if(next==null)break;result.add(next);current=next;}return List.copyOf(result);}double radius=definition.parameters().getOrDefault("radius",java.math.BigDecimal.valueOf(range)).doubleValue();var center=definition.id().equals("meteor")?target:boss;return definition.targetPolicy()==AbilityDefinition.TargetPolicy.AREA?eligible.stream().filter(player->center.hasLineOfSight(player)&&center.getLocation().distanceSquared(player.getLocation())<=radius*radius).toList():List.of(target);}
     private void applyMobEffects(LivingEntity mob,List<DungeonState.Effect> effects){for(var effect:effects)if(effect.target()!=DungeonState.EffectTarget.PLAYERS){var type=effectType(effect.effect());if(type!=null)mob.addPotionEffect(new PotionEffect(type,PotionEffect.INFINITE_DURATION,effect.level()-1,false,effect.particles()));}}
     private void applyPlayerEffects(UUID dungeon,DungeonState.Room room,List<Player> players,Set<String> active){for(var effect:room.effects())if(effect.target()!=DungeonState.EffectTarget.MOBS){var type=effectType(effect.effect());if(type==null)continue;for(var player:players){String key=player.getUniqueId()+":"+effect.id();active.add(key);var current=effect(player,type);int amplifier=effect.level()-1;if(current!=null&&current.getAmplifier()>amplifier)continue;ownedEffects.computeIfAbsent(key,ignored->new OwnedEffect(dungeon,player.getUniqueId(),type,amplifier,current));player.addPotionEffect(new PotionEffect(type,30,amplifier,false,effect.particles()),true);}}}
     private void cleanupOwnedEffects(Set<String> active){for(var entry:new ArrayList<>(ownedEffects.entrySet()))if(!active.contains(entry.getKey()))restoreOwned(entry.getKey(),entry.getValue());}
@@ -67,14 +113,17 @@ public final class DungeonController implements Listener,AutoCloseable,games.dmg
     private static PotionEffectType effectType(String key){var value=NamespacedKey.fromString(key);return value==null?null:PotionEffectType.getByKey(value);}
     private void contain(DungeonState.Dungeon dungeon,DungeonState.Room room,Attempt attempt){var world=plugin.getServer().getWorld(dungeon.world());if(world==null)return;for(var entity:safe(world.getEntities()))if(managed(entity)&&dungeon.id().equals(id(entity,dungeonKey))&&room.id().equals(id(entity,roomKey))&&!inside(entity.getLocation(),dungeon,room)){relocating.add(entity);try{entity.teleport(new Location(world,(room.bounds().minX()+room.bounds().maxX()+1)/2d,room.bounds().minY()+1,(room.bounds().minZ()+room.bounds().maxZ()+1)/2d));if(entity instanceof LivingEntity living)living.setVelocity(new org.bukkit.util.Vector());}finally{relocating.remove(entity);}}}
     @EventHandler(priority=EventPriority.HIGHEST,ignoreCancelled=true)public void damage(EntityDamageEvent event){if(managedEnemy(event.getEntity())){if(!(event instanceof EntityDamageByEntityEvent by)||source(by)==null||eligible(source(by),id(event.getEntity(),dungeonKey),id(event.getEntity(),roomKey))==null)event.setCancelled(true);return;}if(event instanceof EntityDamageByEntityEvent by&&managed(by.getDamager())){UUID dungeon=id(by.getDamager(),dungeonKey),room=id(by.getDamager(),roomKey);if(!(event.getEntity() instanceof Player player)||dungeon==null||room==null||eligible(player,dungeon,room)==null)event.setCancelled(true);}}
-    @EventHandler(priority=EventPriority.MONITOR,ignoreCancelled=true)public void accepted(EntityDamageByEntityEvent event){if(!managedEnemy(event.getEntity())||event.getFinalDamage()<=0||!Double.isFinite(event.getFinalDamage()))return;var player=source(event);UUID dungeon=id(event.getEntity(),dungeonKey),room=id(event.getEntity(),roomKey);var quest=player==null||dungeon==null||room==null?null:eligible(player,dungeon,room);var attempt=room==null?null:attempts.get(new AttemptKey(dungeon,room));if(quest!=null&&attempt!=null)attempt.represented.add(quest.id());}
+    @EventHandler(priority=EventPriority.MONITOR,ignoreCancelled=true)public void accepted(EntityDamageByEntityEvent event){if(!managedEnemy(event.getEntity())||event.getFinalDamage()<=0||!Double.isFinite(event.getFinalDamage()))return;var player=source(event);UUID dungeon=id(event.getEntity(),dungeonKey),room=id(event.getEntity(),roomKey);var quest=player==null||dungeon==null||room==null?null:eligible(player,dungeon,room);var attempt=room==null?null:attempts.get(new AttemptKey(dungeon,room));if(quest!=null&&attempt!=null){attempt.represented.add(quest.id());attempt.threat.merge(player.getUniqueId(),event.getFinalDamage(),Double::sum);attempt.lastCombat=System.nanoTime();attempt.cooldowns.remove("recovery");}}
+    @EventHandler(priority=EventPriority.MONITOR,ignoreCancelled=true)public void bossAccepted(EntityDamageByEntityEvent event){if(!(event.getDamager() instanceof Mob boss)||!managedEnemy(boss)||!(event.getEntity() instanceof Player player)||event.getFinalDamage()<=0)return;var room=dungeons.room(id(boss,dungeonKey),id(boss,roomKey)).orElse(null);var custody=room==null||room.boss()==null?null:room.boss().character();if(custody==null)return;if(custody.character().passives().contains("stick_knockback")&&passives.find("stick_knockback").isPresent()){double radians=Math.toRadians(boss.getLocation().getYaw()),x=Math.sin(radians),z=-Math.cos(radians);if(Double.isFinite(x)&&Double.isFinite(z))player.knockback(1,x,z);}}
+    @EventHandler(priority=EventPriority.MONITOR)public void bossKill(org.bukkit.event.entity.PlayerDeathEvent event){if(!(event.getEntity().getLastDamageCause() instanceof EntityDamageByEntityEvent damage)||!(damage.getDamager() instanceof Mob boss)||!managedEnemy(boss))return;var room=dungeons.room(id(boss,dungeonKey),id(boss,roomKey)).orElse(null);var custody=room==null||room.boss()==null?null:room.boss().character();if(custody==null||!custody.character().passives().contains("health_steal")||passives.find("health_steal").isEmpty()||eligible(event.getPlayer(),id(boss,dungeonKey),id(boss,roomKey))==null)return;healBoss(boss,Math.min(Double.MAX_VALUE,healthStealHealing.get().doubleValue()));}
+    public void accept(AbilityReport report){if(report.type()==AbilityReport.Type.DAMAGE)return;var active=sessions.activeCharacter(report.sourceCharacter()).filter(sessions::current).orElse(null);if(active==null)return;var player=plugin.getServer().getPlayer(active.player());if(player==null)return;double value=report.amount().doubleValue();if(!Double.isFinite(value)||value<=0)return;for(var entry:attempts.entrySet())if(eligible(player,entry.getKey().dungeon(),entry.getKey().room())!=null)entry.getValue().threat.merge(player.getUniqueId(),value*.5d,Double::sum);}
     @EventHandler(priority=EventPriority.MONITOR,ignoreCancelled=true)public void death(EntityDeathEvent event){if(!managedEnemy(event.getEntity()))return;UUID dungeonId=id(event.getEntity(),dungeonKey),roomId=id(event.getEntity(),roomKey),generation=id(event.getEntity(),generationKey);if(dungeonId==null||roomId==null||generation==null)return;var dungeon=dungeons.find(dungeonId).orElse(null);var room=dungeons.room(dungeonId,roomId).orElse(null);var attempt=attempts.get(new AttemptKey(dungeonId,roomId));if(dungeon==null||room==null||attempt==null)return;boolean boss=Boolean.TRUE.equals(event.getEntity().getPersistentDataContainer().get(bossKey,PersistentDataType.BOOLEAN));if(boss){attempt.boss=null;defeatingDungeons.add(dungeonId);cleanupDungeon(dungeonId);clearRoom(dungeon,room,attempt,true);return;}UUID slot=id(event.getEntity(),slotKey);attempt.entities.remove(event.getEntity().getUniqueId());if(slot==null)return;dungeons.defeatSlot(dungeonId,generation,slot).whenComplete((run,failure)->schedule(()->{if(failure!=null)return;if(room.boss()==null&&room.mobs().stream().allMatch(value->run.defeatedSlots().contains(value.id())))clearRoom(dungeon,room,attempt,false);}));}
     private void clearRoom(DungeonState.Dungeon dungeon,DungeonState.Room room,Attempt attempt,boolean boss){var key=new AttemptKey(dungeon.id(),room.id());if(!completing.add(key))return;var quests=attempt.represented.stream().map(adventures::findQuest).flatMap(Optional::stream).toList();var awards=quests.stream().map(quest->awardQuest(dungeon,room,attempt.generation,quest)).toArray(CompletableFuture[]::new);var completion=CompletableFuture.allOf(awards).thenCompose(ignored->dungeons.markCleared(dungeon.id(),attempt.generation,room.id())).thenCompose(run->boss?dungeons.defeat(dungeon.id(),attempt.generation):CompletableFuture.completedFuture(run)).thenCompose(run->boss?adventures.expireOfferQuests(dungeon.id()).thenApply(ignored->run):CompletableFuture.completedFuture(run)).whenComplete((run,failure)->schedule(()->{completing.remove(key);if(boss)defeatingDungeons.remove(dungeon.id());if(failure!=null){plugin.getLogger().log(java.util.logging.Level.WARNING,"Dungeon room completion failed",failure);return;}cleanupAttempt(key);if(boss)cleanupDungeon(dungeon.id());}));inFlight.add(completion);completion.whenComplete((ignored,failure)->inFlight.remove(completion));}
     private CompletableFuture<Void> awardQuest(DungeonState.Dungeon dungeon,DungeonState.Room room,UUID generation,AdventureQuestState.Quest quest){var run=dungeons.runView(dungeon.id(),generation).orElse(null);if(run==null||run.unitClaims().contains(new DungeonState.UnitClaim(room.id(),quest.id())))return CompletableFuture.completedFuture(null);var recipients=recipients(dungeon,room,quest,run);if(recipients.isEmpty())return CompletableFuture.completedFuture(null);var unit=new RewardAllocator.Unit<UUID>(quest.unit(),recipients);var xp=RewardAllocator.allocate(room.reward().xp(),List.of(unit),random);var coins=RewardAllocator.allocate(room.reward().coins(),List.of(unit),random);var work=recipients.stream().map(character->awardOne(dungeon,room,generation,quest,character,xp.get(character),coins.get(character))).toArray(CompletableFuture[]::new);return CompletableFuture.allOf(work).thenCompose(ignored->dungeons.clearRoom(dungeon.id(),generation,room.id(),quest.id(),Set.copyOf(recipients))).thenApply(ignored->null);}
     private List<UUID> recipients(DungeonState.Dungeon dungeon,DungeonState.Room room,AdventureQuestState.Quest quest,DungeonState.Run run){var result=new ArrayList<UUID>();for(UUID character:quest.snapshot()){if(run.characterClaims().contains(new DungeonState.CharacterClaim(room.id(),character)))continue;var active=sessions.activeCharacter(character).filter(sessions::current).orElse(null);if(active==null)continue;var player=plugin.getServer().getPlayer(active.player());if(player==null||!inside(player.getLocation(),dungeon,room))continue;if(quest.unitType()==AdventureQuestState.UnitType.PARTY){var party=parties.partyOf(player.getUniqueId()).orElse(null);if(party==null||!party.id().equals(quest.unit())||!party.characters().contains(character))continue;}result.add(character);}return result.stream().distinct().sorted().toList();}
     private CompletableFuture<Void> awardOne(DungeonState.Dungeon dungeon,DungeonState.Room room,UUID generation,AdventureQuestState.Quest quest,UUID character,BigInteger xp,BigInteger coins){return characters.find(character).thenCompose(found->{if(found.isEmpty())return CompletableFuture.failedFuture(new IllegalStateException("Character unavailable"));return attemptAward(dungeon,room,generation,quest,found.orElseThrow(),xp,coins);});}
     private CompletableFuture<Void> attemptAward(DungeonState.Dungeon dungeon,DungeonState.Room room,UUID generation,AdventureQuestState.Quest quest,games.dmg.fantasystick.persistence.CharacterRecord record,BigInteger xp,BigInteger coins){UUID receipt=UUID.nameUUIDFromBytes((generation+":"+dungeon.id()+":"+room.id()+":"+quest.unit()+":"+record.id()).getBytes(StandardCharsets.UTF_8));return characters.awardCombatReward(record.id(),record.revision(),receipt,xp,coins,progression,games.dmg.fantasystick.progression.CombatRewardRules.defaults(),null).thenCompose(award->{if(award.status()==CharacterStorage.CombatAwardStatus.STALE&&award.record().isPresent())return attemptAward(dungeon,room,generation,quest,award.record().orElseThrow(),xp,coins);if(award.record().isEmpty())return CompletableFuture.failedFuture(new IllegalStateException("Reward unavailable"));var saved=award.record().orElseThrow();var done=new CompletableFuture<Void>();schedule(()->{var active=sessions.activeCharacter(saved.id()).filter(sessions::current).orElse(null);if(active!=null)sessions.acknowledgeProgress(active,saved.revision().subtract(BigInteger.ONE),saved);var player=active==null?null:plugin.getServer().getPlayer(active.player());if(player!=null&&award.status()!=CharacterStorage.CombatAwardStatus.DUPLICATE)player.sendMessage("Dungeon room cleared: earned "+xp+" fantasy XP and "+coins+" character coins.");done.complete(null);});return done;});}
-    @EventHandler(priority=EventPriority.HIGHEST,ignoreCancelled=true)public void target(EntityTargetLivingEntityEvent event){if(managedEnemy(event.getEntity())&&event.getTarget()!=null){UUID dungeon=id(event.getEntity(),dungeonKey);UUID room=id(event.getEntity(),roomKey);if(!(event.getTarget() instanceof Player player)||dungeon==null||room==null||eligible(player,dungeon,room)==null)event.setCancelled(true);}}
+    @EventHandler(priority=EventPriority.HIGHEST,ignoreCancelled=true)public void target(EntityTargetLivingEntityEvent event){if(managedEnemy(event.getEntity())&&event.getTarget()!=null){UUID dungeon=id(event.getEntity(),dungeonKey);UUID room=id(event.getEntity(),roomKey);var attempt=dungeon==null||room==null?null:attempts.get(new AttemptKey(dungeon,room));if(!(event.getTarget() instanceof Player player)||dungeon==null||room==null||eligible(player,dungeon,room)==null||attempt!=null&&attempt.target!=null&&!attempt.target.equals(player.getUniqueId()))event.setCancelled(true);}}
     @EventHandler(priority=EventPriority.MONITOR,ignoreCancelled=true)public void projectile(ProjectileLaunchEvent event){if(event.getEntity().getShooter() instanceof Entity shooter&&managedEnemy(shooter)){var data=event.getEntity().getPersistentDataContainer();data.set(typeKey,PersistentDataType.STRING,PROJECTILE);copy(data,dungeonKey,shooter);copy(data,roomKey,shooter);copy(data,generationKey,shooter);}}
     @EventHandler(priority=EventPriority.HIGHEST,ignoreCancelled=true)public void splash(PotionSplashEvent event){if(!managed(event.getPotion()))return;UUID dungeon=id(event.getPotion(),dungeonKey),room=id(event.getPotion(),roomKey);for(var affected:List.copyOf(event.getAffectedEntities()))if(!(affected instanceof Player player)||dungeon==null||room==null||eligible(player,dungeon,room)==null)event.setIntensity(affected,0);}
     @EventHandler(priority=EventPriority.HIGHEST,ignoreCancelled=true)public void combust(EntityCombustEvent event){if(managed(event.getEntity()))event.setCancelled(true);}

src/main/java/games/dmg/fantasystick/dungeon/DungeonDirectory.java

@@ -4,7 +4,9 @@ import games.dmg.fantasystick.adventure.AdventureQuestState;
 import games.dmg.fantasystick.adventure.AdventureResetParticipant;
 import games.dmg.fantasystick.persistence.YamlDungeonRepository;
 import java.io.IOException;
+import java.math.BigDecimal;
 import java.math.BigInteger;
+import games.dmg.fantasystick.persistence.CharacterRecord;
 import java.util.*;
 import java.util.concurrent.*;
 import org.bukkit.entity.EntityType;
@@ -16,22 +18,28 @@ public final class DungeonDirectory implements AutoCloseable,AdventureResetParti
     public DungeonDirectory(YamlDungeonRepository repository)throws IOException{this.repository=Objects.requireNonNull(repository);snapshot=repository.load();}
     public DungeonState snapshot(){return snapshot;}
     public Optional<DungeonState.Dungeon> find(UUID id){return snapshot.dungeons().stream().filter(v->v.id().equals(id)).findFirst();}
+    public Optional<DungeonState.CharacterBoss> custody(UUID character){return snapshot.dungeons().stream().flatMap(value->value.rooms().stream()).map(DungeonState.Room::boss).filter(Objects::nonNull).map(DungeonState.Boss::character).filter(Objects::nonNull).filter(value->value.character().id().equals(character)).findFirst();}
+    public Optional<DungeonState.CharacterBoss> custodyForDungeon(UUID dungeon){return find(dungeon).stream().flatMap(value->value.rooms().stream()).map(DungeonState.Room::boss).filter(Objects::nonNull).map(DungeonState.Boss::character).filter(Objects::nonNull).findFirst();}
     public Optional<DungeonState.Room> room(UUID dungeon,UUID room){return find(dungeon).flatMap(value->value.rooms().stream().filter(v->v.id().equals(room)).findFirst());}
     public Optional<DungeonState.Room> roomAt(UUID dungeon,int x,int y,int z){return find(dungeon).flatMap(value->{var matches=value.rooms().stream().filter(room->room.bounds().contains(x,y,z)).toList();return matches.size()==1?Optional.of(matches.getFirst()):Optional.empty();});}
     public CompletableFuture<DungeonState.Dungeon> create(String name,UUID world,double x,double y,double z,float yaw,float pitch){var value=new DungeonState.Dungeon(UUID.randomUUID(),name,world,new DungeonState.Position(x,y,z,yaw,pitch),false,UUID.randomUUID(),List.of());return mutate(state->{var values=new ArrayList<>(state.dungeons());values.add(value);return result(new DungeonState(values,state.runs()),value);});}
-    public CompletableFuture<Optional<DungeonState.Dungeon>> remove(UUID id){return mutate(state->{var found=find(state,id);if(found.isEmpty())return result(state,Optional.empty());return result(new DungeonState(state.dungeons().stream().filter(v->!v.id().equals(id)).toList(),state.runs().stream().filter(v->!v.dungeon().equals(id)).toList()),found);});}
+    public CompletableFuture<Optional<DungeonState.Dungeon>> remove(UUID id){return mutate(state->{var found=find(state,id);if(found.isEmpty())return result(state,Optional.empty());if(found.orElseThrow().rooms().stream().map(DungeonState.Room::boss).filter(Objects::nonNull).anyMatch(boss->boss.character()!=null))throw new IllegalArgumentException("Recover character boss custody first");return result(new DungeonState(state.dungeons().stream().filter(v->!v.id().equals(id)).toList(),state.runs().stream().filter(v->!v.dungeon().equals(id)).toList()),found);});}
     public CompletableFuture<DungeonState.Dungeon> setEntrance(UUID id,double x,double y,double z,float yaw,float pitch){return change(id,dungeon->definition(dungeon,dungeon.rooms(),new DungeonState.Position(x,y,z,yaw,pitch),false));}
     public CompletableFuture<DungeonState.Room> addCornerRoom(UUID id,String name,int x,int y,int z,int xSize,int zSize,int height){if(xSize==0||Math.abs((long)xSize)>256||zSize==0||Math.abs((long)zSize)>256||height<1||height>128)return CompletableFuture.failedFuture(new IllegalArgumentException("Room dimensions out of range"));int maxX=x+(xSize>0?xSize-1:0),minX=x+(xSize<0?xSize+1:0),maxZ=z+(zSize>0?zSize-1:0),minZ=z+(zSize<0?zSize+1:0);return addRoom(id,name,new DungeonState.Bounds(Math.min(x,minX),y,Math.min(z,minZ),Math.max(x,maxX),y+height-1,Math.max(z,maxZ)));}
     public CompletableFuture<DungeonState.Room> addRadiusRoom(UUID id,String name,int x,int y,int z,int radius,int height){if(radius<1||radius>128||height<1||height>128)return CompletableFuture.failedFuture(new IllegalArgumentException("Room dimensions out of range"));return addRoom(id,name,new DungeonState.Bounds(x-radius,y,z-radius,x+radius,y+height-1,z+radius));}
     private CompletableFuture<DungeonState.Room> addRoom(UUID id,String name,DungeonState.Bounds bounds){var room=new DungeonState.Room(UUID.randomUUID(),name,bounds,List.of(),List.of(),DungeonState.Reward.empty(),null);return mutate(state->{var dungeon=editable(state,id);if(dungeon.rooms().size()>=128)throw new IllegalArgumentException("Room limit reached");if(dungeon.rooms().stream().anyMatch(value->value.bounds().overlaps(bounds)))throw new IllegalArgumentException("Rooms overlap");if(!dungeon.rooms().isEmpty()&&dungeon.rooms().stream().noneMatch(value->value.bounds().touchesFace(bounds)))throw new IllegalArgumentException("Room is disconnected");var rooms=new ArrayList<>(dungeon.rooms());rooms.add(room);return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),room);});}
-    public CompletableFuture<Optional<DungeonState.Room>> removeRoom(UUID id,UUID roomId){return mutate(state->{var dungeon=editable(state,id);var found=dungeon.rooms().stream().filter(v->v.id().equals(roomId)).findFirst();if(found.isEmpty())return result(state,Optional.empty());var rooms=dungeon.rooms().stream().filter(v->!v.id().equals(roomId)).toList();if(!connected(rooms))throw new IllegalArgumentException("Removal disconnects rooms");return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),found);});}
+    public CompletableFuture<Optional<DungeonState.Room>> removeRoom(UUID id,UUID roomId){return mutate(state->{var dungeon=editable(state,id);var found=dungeon.rooms().stream().filter(v->v.id().equals(roomId)).findFirst();if(found.isEmpty())return result(state,Optional.empty());if(found.orElseThrow().boss()!=null&&found.orElseThrow().boss().character()!=null)throw new IllegalArgumentException("Recover character boss custody first");var rooms=dungeon.rooms().stream().filter(v->!v.id().equals(roomId)).toList();if(!connected(rooms))throw new IllegalArgumentException("Removal disconnects rooms");return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),found);});}
     public CompletableFuture<DungeonState.Spawn> addMob(UUID id,UUID roomId,EntityType type,String name,double x,double y,double z,float yaw,float pitch){var value=new DungeonState.Spawn(UUID.randomUUID(),type,name,new DungeonState.Position(x,y,z,yaw,pitch));return updateRoom(id,roomId,room->{var mobs=new ArrayList<>(room.mobs());if(mobs.size()>=256)throw new IllegalArgumentException("Mob limit reached");mobs.add(value);return new DungeonState.Room(room.id(),room.name(),room.bounds(),mobs,room.effects(),room.reward(),room.boss());},value);}
     public CompletableFuture<Optional<DungeonState.Spawn>> removeMob(UUID id,UUID roomId,UUID spawn){var found=room(id,roomId).flatMap(value->value.mobs().stream().filter(v->v.id().equals(spawn)).findFirst());if(found.isEmpty())return CompletableFuture.completedFuture(Optional.empty());return updateRoom(id,roomId,room->new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs().stream().filter(v->!v.id().equals(spawn)).toList(),room.effects(),room.reward(),room.boss()),found);}
     public CompletableFuture<DungeonState.Effect> addEffect(UUID id,UUID roomId,DungeonState.EffectTarget target,String effect,int level,boolean particles){var value=new DungeonState.Effect(UUID.randomUUID(),target,effect,level,particles);return updateRoom(id,roomId,room->{var effects=new ArrayList<>(room.effects());if(effects.size()>=32)throw new IllegalArgumentException("Effect limit reached");effects.add(value);return new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),effects,room.reward(),room.boss());},value);}
     public CompletableFuture<Optional<DungeonState.Effect>> removeEffect(UUID id,UUID roomId,UUID effect){var found=room(id,roomId).flatMap(value->value.effects().stream().filter(v->v.id().equals(effect)).findFirst());if(found.isEmpty())return CompletableFuture.completedFuture(Optional.empty());return updateRoom(id,roomId,room->new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects().stream().filter(v->!v.id().equals(effect)).toList(),room.reward(),room.boss()),found);}
     public CompletableFuture<DungeonState.Reward> setReward(UUID id,UUID roomId,BigInteger xp,BigInteger coins){var value=new DungeonState.Reward(xp,coins);return updateRoom(id,roomId,room->new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects(),value,room.boss()),value);}
-    public CompletableFuture<DungeonState.Boss> setBoss(UUID id,UUID roomId,EntityType type,String name,double x,double y,double z,float yaw,float pitch){var value=new DungeonState.Boss(type,name,new DungeonState.Position(x,y,z,yaw,pitch));return updateRoom(id,roomId,room->new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects(),room.reward(),value),value);}
-    public CompletableFuture<Boolean> clearBoss(UUID id,UUID roomId){return updateRoom(id,roomId,room->new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects(),room.reward(),null),true);}
+    public CompletableFuture<DungeonState.Boss> setBoss(UUID id,UUID roomId,EntityType type,String name,double x,double y,double z,float yaw,float pitch){var value=new DungeonState.Boss(type,name,new DungeonState.Position(x,y,z,yaw,pitch));return updateRoom(id,roomId,room->{if(room.boss()!=null&&room.boss().character()!=null)throw new IllegalArgumentException("Recover character boss custody first");return new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects(),room.reward(),value);},value);}
+    public CompletableFuture<Boolean> clearBoss(UUID id,UUID roomId){return updateRoom(id,roomId,room->{if(room.boss()!=null&&room.boss().character()!=null)throw new IllegalArgumentException("Recover character boss custody first");return new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects(),room.reward(),null);},true);}
+    public CompletableFuture<DungeonState.CharacterBoss> assignCharacterBoss(UUID id,UUID roomId,CharacterRecord character,BigDecimal multiplier){Objects.requireNonNull(character);var template=new DungeonState.CharacterBoss(UUID.randomUUID(),character,multiplier,null);return mutate(state->{var dungeon=editable(state,id);if(state.dungeons().stream().flatMap(v->v.rooms().stream()).map(DungeonState.Room::boss).filter(Objects::nonNull).map(DungeonState.Boss::character).filter(Objects::nonNull).anyMatch(custody->custody.character().id().equals(character.id())))throw new IllegalArgumentException("Character already assigned");var room=dungeon.rooms().stream().filter(v->v.id().equals(roomId)).findFirst().orElseThrow(()->new IllegalArgumentException("Room not found"));if(room.boss()==null||room.boss().character()!=null)throw new IllegalArgumentException("Configure one native boss room first");var value=new DungeonState.CharacterBoss(template.operation(),character,template.multiplier(),room.boss().type(),room.boss().name(),null);var boss=new DungeonState.Boss(EntityType.VINDICATOR,character.name(),room.boss().position(),value);var updated=new DungeonState.Room(room.id(),room.name(),room.bounds(),room.mobs(),room.effects(),room.reward(),boss);var rooms=dungeon.rooms().stream().map(v->v.id().equals(roomId)?updated:v).toList();return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),value);});}
+    public CompletableFuture<Boolean> cancelAssignment(UUID id,UUID operation){return mutate(state->{var dungeon=editable(state,id);var target=dungeon.rooms().stream().filter(room->room.boss()!=null&&room.boss().character()!=null&&room.boss().character().operation().equals(operation)).findFirst().orElse(null);if(target==null)return result(state,false);var custody=target.boss().character();var prior=new DungeonState.Boss(custody.priorType(),custody.priorName(),target.boss().position());var changed=new DungeonState.Room(target.id(),target.name(),target.bounds(),target.mobs(),target.effects(),target.reward(),prior);var rooms=dungeon.rooms().stream().map(room->room.id().equals(target.id())?changed:room).toList();return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),true);});}
+    public CompletableFuture<DungeonState.CharacterBoss> prepareRecovery(UUID id,UUID administrator){return mutate(state->{var dungeon=editable(state,id);var target=dungeon.rooms().stream().filter(room->room.boss()!=null&&room.boss().character()!=null).findFirst().orElseThrow(()->new IllegalArgumentException("Character boss not found"));var custody=target.boss().character();if(custody.recovery()!=null){if(!custody.recovery().administrator().equals(administrator))throw new IllegalArgumentException("Recovery belongs to another administrator");return result(state,custody);}var prepared=new DungeonState.CharacterBoss(custody.operation(),custody.character(),custody.multiplier(),custody.priorType(),custody.priorName(),new DungeonState.Recovery(UUID.randomUUID(),administrator));var boss=new DungeonState.Boss(target.boss().type(),target.boss().name(),target.boss().position(),prepared);var changed=new DungeonState.Room(target.id(),target.name(),target.bounds(),target.mobs(),target.effects(),target.reward(),boss);var rooms=dungeon.rooms().stream().map(room->room.id().equals(target.id())?changed:room).toList();return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),prepared);});}
+    public CompletableFuture<Boolean> completeRecovery(UUID id,UUID operation){return mutate(state->{var dungeon=editable(state,id);var target=dungeon.rooms().stream().filter(room->room.boss()!=null&&room.boss().character()!=null&&room.boss().character().recovery()!=null&&room.boss().character().recovery().operation().equals(operation)).findFirst().orElse(null);if(target==null)return result(state,false);var changed=new DungeonState.Room(target.id(),target.name(),target.bounds(),target.mobs(),target.effects(),target.reward(),null);var rooms=dungeon.rooms().stream().map(room->room.id().equals(target.id())?changed:room).toList();return result(replace(state,definition(dungeon,rooms,dungeon.entrance(),false)),true);});}
     public CompletableFuture<DungeonState.Dungeon> enable(UUID id,List<DungeonState.Dungeon> externalEnabled){return mutate(state->{var dungeon=find(state,id).orElseThrow(()->new IllegalArgumentException("Dungeon not found"));validate(dungeon);var conflicts=new ArrayList<DungeonState.Dungeon>();conflicts.addAll(state.dungeons().stream().filter(v->v.enabled()&&!v.id().equals(id)).toList());conflicts.addAll(externalEnabled);for(var other:conflicts)if(other.world().equals(dungeon.world())&&dungeon.rooms().stream().anyMatch(a->other.rooms().stream().anyMatch(b->a.bounds().overlaps(b.bounds()))))throw new IllegalArgumentException("Dungeon overlaps an enabled dungeon");if(dungeon.enabled())return result(state,dungeon);var enabled=definition(dungeon,dungeon.rooms(),dungeon.entrance(),true);return result(replace(state,enabled),enabled);});}
     public CompletableFuture<Optional<DungeonState.Dungeon>> disable(UUID id){return mutate(state->{var dungeon=find(state,id).orElse(null);if(dungeon==null)return result(state,Optional.empty());var disabled=definition(dungeon,dungeon.rooms(),dungeon.entrance(),false);return result(replace(new DungeonState(state.dungeons(),state.runs().stream().filter(v->!v.dungeon().equals(id)).toList()),disabled),Optional.of(disabled));});}
     public CompletableFuture<Boolean> clearRun(UUID dungeon,UUID generation){return mutate(state->{var runs=state.runs().stream().filter(v->!(v.dungeon().equals(dungeon)&&v.generation().equals(generation))).toList();if(runs.size()==state.runs().size())return result(state,false);return result(new DungeonState(state.dungeons(),runs),true);});}
@@ -49,7 +57,7 @@ public final class DungeonDirectory implements AutoCloseable,AdventureResetParti
     private static Optional<DungeonState.Dungeon> find(DungeonState state,UUID id){return state.dungeons().stream().filter(v->v.id().equals(id)).findFirst();}
     private static DungeonState replace(DungeonState state,DungeonState.Dungeon dungeon){var values=state.dungeons().stream().map(v->v.id().equals(dungeon.id())?dungeon:v).toList();return new DungeonState(values,state.runs());}
     private static DungeonState.Dungeon definition(DungeonState.Dungeon original,List<DungeonState.Room> rooms,DungeonState.Position entrance,boolean enabled){return new DungeonState.Dungeon(original.id(),original.name(),original.world(),entrance,enabled,UUID.randomUUID(),rooms);}
-    private static void validate(DungeonState.Dungeon dungeon){if(dungeon.rooms().isEmpty()||!connected(dungeon.rooms()))throw new IllegalArgumentException("Dungeon rooms are incomplete");if(dungeon.rooms().stream().filter(v->v.boss()!=null).count()!=1)throw new IllegalArgumentException("Dungeon needs exactly one boss");}
+    private static void validate(DungeonState.Dungeon dungeon){if(dungeon.rooms().stream().map(DungeonState.Room::boss).filter(Objects::nonNull).map(DungeonState.Boss::character).filter(Objects::nonNull).anyMatch(value->value.recovery()!=null))throw new IllegalArgumentException("Character recovery is pending");if(dungeon.rooms().isEmpty()||!connected(dungeon.rooms()))throw new IllegalArgumentException("Dungeon rooms are incomplete");if(dungeon.rooms().stream().filter(v->v.boss()!=null).count()!=1)throw new IllegalArgumentException("Dungeon needs exactly one boss");}
     static boolean connected(List<DungeonState.Room> rooms){if(rooms.size()<2)return true;var reached=new HashSet<UUID>();var queue=new ArrayDeque<DungeonState.Room>();queue.add(rooms.getFirst());reached.add(rooms.getFirst().id());while(!queue.isEmpty()){var current=queue.remove();for(var room:rooms)if(!reached.contains(room.id())&&current.bounds().touchesFace(room.bounds())){reached.add(room.id());queue.add(room);}}return reached.size()==rooms.size();}
     private void requireGeneration(UUID generation){var current=currentGeneration;if(current!=null&&!current.equals(generation))throw new IllegalStateException("Stale dungeon generation");}
     private record Result<T>(DungeonState state,T value){}

src/main/java/games/dmg/fantasystick/dungeon/DungeonState.java

@@ -1,6 +1,8 @@
 package games.dmg.fantasystick.dungeon;
 
-import java.math.BigInteger;
+import games.dmg.fantasystick.persistence.CharacterRecord;
+import games.dmg.fantasystick.progression.Stat;
+import java.math.*;
 import java.util.*;
 import org.bukkit.entity.EntityType;
 
@@ -26,8 +28,15 @@ public record DungeonState(List<Dungeon> dungeons,List<Run> runs) {
         public Reward {Objects.requireNonNull(xp);Objects.requireNonNull(coins);var maximum=BigInteger.valueOf(Integer.MAX_VALUE);if(xp.signum()<0||coins.signum()<0||xp.compareTo(maximum)>0||coins.compareTo(maximum)>0)throw new IllegalArgumentException("Invalid reward");}
         public static Reward empty(){return new Reward(BigInteger.ZERO,BigInteger.ZERO);}
     }
-    public record Boss(EntityType type,String name,Position position) {
-        public Boss {Objects.requireNonNull(type);name=validName(name);Objects.requireNonNull(position);}
+    public record Recovery(UUID operation,UUID administrator) {public Recovery{Objects.requireNonNull(operation);Objects.requireNonNull(administrator);}}
+    public record CharacterBoss(UUID operation,CharacterRecord character,BigDecimal multiplier,EntityType priorType,String priorName,Recovery recovery) {
+        public CharacterBoss {Objects.requireNonNull(operation);Objects.requireNonNull(character);Objects.requireNonNull(multiplier);Objects.requireNonNull(priorType);priorName=validName(priorName);if(character.dead()||character.health().signum()<=0||multiplier.scale()>3||multiplier.compareTo(new BigDecimal("0.1"))<0||multiplier.compareTo(new BigDecimal("100"))>0)throw new IllegalArgumentException("Invalid character boss");multiplier=multiplier.stripTrailingZeros();}
+        public CharacterBoss(UUID operation,CharacterRecord character,BigDecimal multiplier,Recovery recovery){this(operation,character,multiplier,EntityType.HUSK,"",recovery);}
+        public Map<Stat,BigInteger> effectiveStats(){var result=new EnumMap<Stat,BigInteger>(Stat.class);for(var stat:Stat.values())result.put(stat,new BigDecimal(character.stats().get(stat)).multiply(multiplier).setScale(0,RoundingMode.FLOOR).toBigIntegerExact());return Map.copyOf(result);}
+    }
+    public record Boss(EntityType type,String name,Position position,CharacterBoss character) {
+        public Boss {Objects.requireNonNull(type);name=validName(name);Objects.requireNonNull(position);if(character!=null&&(type!=EntityType.VINDICATOR||!name.equals(character.character().name())))throw new IllegalArgumentException("Invalid character boss shell");}
+        public Boss(EntityType type,String name,Position position){this(type,name,position,null);}
     }
     public record Room(UUID id,String name,Bounds bounds,List<Spawn> mobs,List<Effect> effects,Reward reward,Boss boss) {
         public Room {Objects.requireNonNull(id);name=validName(name);Objects.requireNonNull(bounds);mobs=List.copyOf(mobs);effects=List.copyOf(effects);Objects.requireNonNull(reward);unique(mobs.stream().map(Spawn::id).toList());unique(effects.stream().map(Effect::id).toList());if(mobs.size()>256||effects.size()>32)throw new IllegalArgumentException("Room limit exceeded");}

src/main/java/games/dmg/fantasystick/items/CharacterSheets.java

@@ -17,6 +17,7 @@ public final class CharacterSheets {
     public static final NamespacedKey MODEL = new NamespacedKey("fantasystick", "character_sheet");
     private static final NamespacedKey VERSION = new NamespacedKey("fantasystick", "sheet_version");
     private static final NamespacedKey CHARACTER = new NamespacedKey("fantasystick", "character_id");
+    private static final NamespacedKey RECOVERY = new NamespacedKey("fantasystick", "boss_recovery_operation");
     private static final List<Component> INSTRUCTION = List.of(Component.text("Character sheet:"),
         Component.text("Place in off hand"), Component.text("to enter fantasy world."));
 
@@ -50,6 +51,10 @@ public final class CharacterSheets {
         return item;
     }
 
+    public void markRecovery(ItemStack item,UUID operation){if(identify(item).isEmpty())throw new IllegalArgumentException("Not an authentic character sheet");var meta=item.getItemMeta();meta.getPersistentDataContainer().set(RECOVERY,PersistentDataType.STRING,operation.toString());item.setItemMeta(meta);}
+    public boolean hasRecovery(ItemStack item,UUID operation){if(identify(item).isEmpty())return false;return operation.toString().equals(item.getItemMeta().getPersistentDataContainer().get(RECOVERY,PersistentDataType.STRING));}
+    public void clearRecovery(ItemStack item){if(item==null||!item.hasItemMeta())return;var meta=item.getItemMeta();meta.getPersistentDataContainer().remove(RECOVERY);item.setItemMeta(meta);}
+
     /** Adds only the cosmetic model association to an already authentic sheet. */
     public boolean applyModel(ItemStack item) {
         if (identify(item).isEmpty()) return false;

src/main/java/games/dmg/fantasystick/party/CharacterPartyDirectory.java

@@ -40,6 +40,7 @@ public final class CharacterPartyDirectory implements AutoCloseable {
         task -> new Thread(task, "fantasy-party-persistence"));
     private volatile List<CharacterParty> snapshot;
     private volatile java.util.function.Consumer<CharacterParty> ended=ignored->{};
+    private volatile java.util.function.Predicate<UUID> unavailable=ignored->false;
     private volatile boolean closed;
     private volatile boolean ready=true;
     private volatile CompletableFuture<Void> readiness=CompletableFuture.completedFuture(null);
@@ -57,6 +58,7 @@ public final class CharacterPartyDirectory implements AutoCloseable {
     public synchronized void suspend(){if(!ready)return;ready=false;readiness=new CompletableFuture<>();}
     public synchronized void resume(){ready=true;readiness.complete(null);}public boolean ready(){return ready;}public java.util.concurrent.CompletionStage<Void> readiness(){return readiness.minimalCompletionStage();}
     public void attachEnded(java.util.function.Consumer<CharacterParty> notification){ended=Objects.requireNonNull(notification);}
+    public void attachUnavailableCharacter(java.util.function.Predicate<UUID> predicate){unavailable=Objects.requireNonNull(predicate);}
     public Optional<CharacterParty> partyOf(UUID character) {
         return snapshot.stream().filter(party -> party.members().contains(character)).findFirst();
     }
@@ -81,6 +83,7 @@ public final class CharacterPartyDirectory implements AutoCloseable {
         return submit(() -> createNow(partyId,leader,input));
     }
     private Result createNow(UUID partyId,UUID leader,String input)throws IOException{
+        if(unavailable.test(leader))return Result.of(Status.INVALID);
         var completed=partyById(partyId);if(completed.isPresent())return Result.party(Status.DUPLICATE,completed.orElseThrow());
         var name=PartyNames.parse(input);if(name.isEmpty())return Result.of(Status.INVALID);
         if(partyOf(leader).isPresent())return Result.of(Status.ALREADY_MEMBER);
@@ -89,6 +92,7 @@ public final class CharacterPartyDirectory implements AutoCloseable {
     }
     public CompletableFuture<PaidResult> paidCreate(PartyOperationStore.Plan plan,CharacterStorage characters){return submit(()->{
         if(plan.kind()!=PartyOperationStore.Kind.CREATE)throw new IllegalArgumentException("Expected create operation");
+        if(unavailable.test(plan.actor()))return new PaidResult(Result.of(Status.INVALID),null);
         var existing=partyById(plan.id());if(existing.isPresent()){var spent=debit(plan,characters,plan.expectedRevision());if(refunded(plan,spent)&&plan.id().equals(existing.orElseThrow().lastPaidOperation())){remove(existing.orElseThrow());return new PaidResult(Result.of(Status.INVALID),new CharacterStorage.CoinSpend(CharacterStorage.CoinSpendStatus.STALE,spent.record()));}return new PaidResult(Result.party(Status.DUPLICATE,existing.orElseThrow()),spent);}
         var name=PartyNames.parse(plan.name());if(name.isEmpty())return new PaidResult(Result.of(Status.INVALID),null);
         if(partyOf(plan.actor()).isPresent())return new PaidResult(Result.of(Status.ALREADY_MEMBER),null);
@@ -100,7 +104,7 @@ public final class CharacterPartyDirectory implements AutoCloseable {
     public CompletableFuture<Result> invite(UUID leader, UUID partyId, UUID target) {
         return submit(() -> {
             var party = managed(leader, partyId);
-            if (party.isEmpty() || partyOf(target).isPresent() || leader.equals(target)) return Result.of(Status.INVALID);
+            if (unavailable.test(target) || party.isEmpty() || partyOf(target).isPresent() || leader.equals(target)) return Result.of(Status.INVALID);
             var existing = party.orElseThrow().invitations().stream()
                 .filter(invitation -> invitation.character().equals(target)).findFirst();
             if (existing.isPresent()) return Result.invite(Status.DUPLICATE, party.orElseThrow(), existing.orElseThrow());
@@ -114,6 +118,7 @@ public final class CharacterPartyDirectory implements AutoCloseable {
 
     public CompletableFuture<Result> accept(UUID character, UUID invitationId) {
         return submit(() -> {
+            if(unavailable.test(character))return Result.of(Status.INVALID);
             CharacterParty party = null; CharacterParty.Invitation invitation = null;
             for (var candidate : snapshot) for (var offer : candidate.invitations()) {
                 if (offer.id().equals(invitationId)) { party = candidate; invitation = offer; }

src/main/java/games/dmg/fantasystick/persistence/CharacterStorage.java

@@ -43,6 +43,8 @@ public final class CharacterStorage implements AutoCloseable {
         this.coinRandom = Objects.requireNonNull(coinRandom);
     }
 
+    public void attachUnavailableCharacter(java.util.function.Predicate<UUID> predicate){repository.attachUnavailable(predicate);}
+
     public CompletableFuture<Void> create(CharacterRecord character) {
         return submit(() -> {
             repository.create(character);

src/main/java/games/dmg/fantasystick/persistence/CharacterYaml.java

@@ -16,7 +16,7 @@ import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.SafeConstructor;
 
 /** Plain values only: no Bukkit item deserialization or arbitrary Java YAML tags. */
-final class CharacterYaml {
+public final class CharacterYaml {
     private CharacterYaml() { }
 
     private static Yaml yaml() {
@@ -27,7 +27,7 @@ final class CharacterYaml {
         return new Yaml(new SafeConstructor(options));
     }
 
-    static String encode(CharacterRecord record) {
+    public static String encode(CharacterRecord record) {
         Map<String, Object> root = new LinkedHashMap<>();
         root.put("schema-version", 1);
         root.put("character-id", record.id().toString());
@@ -67,7 +67,7 @@ final class CharacterYaml {
         return yaml().dump(root);
     }
 
-    static CharacterRecord decode(String input) {
+    public static CharacterRecord decode(String input) {
         Map<?, ?> root = object(yaml().load(input));
         if (!number(root.get("schema-version")).equals(BigInteger.ONE)) {
             throw new IllegalArgumentException("Unsupported character schema");

src/main/java/games/dmg/fantasystick/persistence/YamlCharacterRepository.java

@@ -22,12 +22,15 @@ public final class YamlCharacterRepository {
     private static final int MAX_FILE_BYTES = 1_048_576;
     private final Path directory;
     private final Replacement replacement;
+    private volatile java.util.function.Predicate<UUID> unavailable = ignored -> false;
 
     @FunctionalInterface
     interface Replacement { void move(Path source, Path target) throws IOException; }
     @FunctionalInterface
     private interface Operation { void run() throws IOException; }
 
+    public void attachUnavailable(java.util.function.Predicate<UUID> predicate){unavailable=Objects.requireNonNull(predicate);}
+
     public YamlCharacterRepository(Path pluginDataDirectory) {
         this(pluginDataDirectory, (source, target) -> Files.move(source, target,
             StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING));
@@ -68,10 +71,12 @@ public final class YamlCharacterRepository {
     }
 
     public void replace(CharacterRecord character, BigInteger expectedRevision) throws IOException {
+        if (unavailable.test(character.id())) throw new IOException("Character is in dungeon boss custody");
         if (!character.revision().equals(expectedRevision.add(BigInteger.ONE))) {
             throw new IOException("Character update must advance exactly one revision");
         }
         withLock(() -> {
+            if (unavailable.test(character.id())) throw new IOException("Character is in dungeon boss custody");
             CharacterRecord current = load(character.id()).orElseThrow(() -> new IOException("Character not found"));
             if (!current.revision().equals(expectedRevision)) throw new IOException("Stale character revision");
             write(character);

src/main/java/games/dmg/fantasystick/persistence/YamlDungeonRepository.java

@@ -17,14 +17,15 @@ public final class YamlDungeonRepository {
     public YamlDungeonRepository(Path data){file=data.toAbsolutePath().resolve("dungeons.yml");}
     public DungeonState load()throws IOException{
         if(Files.notExists(file))return DungeonState.empty();
-        try{var root=map(yaml().load(Files.readString(file,StandardCharsets.UTF_8)));if(integer(root.get("schema-version"))!=1)throw new IllegalArgumentException();var dungeons=new ArrayList<DungeonState.Dungeon>();for(var item:list(root.get("dungeons"))){var row=map(item);var rooms=new ArrayList<DungeonState.Room>();for(var roomItem:list(row.get("rooms"))){var room=map(roomItem);var mobs=new ArrayList<DungeonState.Spawn>();for(var mobItem:list(room.get("mobs"))){var mob=map(mobItem);mobs.add(new DungeonState.Spawn(uuid(mob,"id"),EntityType.valueOf(text(mob.get("type"))),text(mob.get("name")),position(map(mob.get("position")))));}var effects=new ArrayList<DungeonState.Effect>();for(var effectItem:list(room.get("effects"))){var effect=map(effectItem);effects.add(new DungeonState.Effect(uuid(effect,"id"),DungeonState.EffectTarget.valueOf(text(effect.get("target"))),text(effect.get("effect")),integer(effect.get("level")),bool(effect.get("particles"))));}DungeonState.Boss boss=null;if(room.get("boss")!=null){var value=map(room.get("boss"));boss=new DungeonState.Boss(EntityType.valueOf(text(value.get("type"))),text(value.get("name")),position(map(value.get("position"))));}rooms.add(new DungeonState.Room(uuid(room,"id"),text(room.get("name")),bounds(map(room.get("bounds"))),mobs,effects,new DungeonState.Reward(new BigInteger(text(room.get("reward-xp"))),new BigInteger(text(room.get("reward-coins")))),boss));}dungeons.add(new DungeonState.Dungeon(uuid(row,"id"),text(row.get("name")),uuid(row,"world"),position(map(row.get("entrance"))),bool(row.get("enabled")),uuid(row,"revision"),rooms));}
+        try{var root=map(yaml().load(Files.readString(file,StandardCharsets.UTF_8)));if(integer(root.get("schema-version"))!=1)throw new IllegalArgumentException();var dungeons=new ArrayList<DungeonState.Dungeon>();for(var item:list(root.get("dungeons"))){var row=map(item);var rooms=new ArrayList<DungeonState.Room>();for(var roomItem:list(row.get("rooms"))){var room=map(roomItem);var mobs=new ArrayList<DungeonState.Spawn>();for(var mobItem:list(room.get("mobs"))){var mob=map(mobItem);mobs.add(new DungeonState.Spawn(uuid(mob,"id"),EntityType.valueOf(text(mob.get("type"))),text(mob.get("name")),position(map(mob.get("position")))));}var effects=new ArrayList<DungeonState.Effect>();for(var effectItem:list(room.get("effects"))){var effect=map(effectItem);effects.add(new DungeonState.Effect(uuid(effect,"id"),DungeonState.EffectTarget.valueOf(text(effect.get("target"))),text(effect.get("effect")),integer(effect.get("level")),bool(effect.get("particles"))));}DungeonState.Boss boss=null;if(room.get("boss")!=null){var value=map(room.get("boss"));DungeonState.CharacterBoss character=null;if(value.get("character")!=null){var custody=map(value.get("character"));DungeonState.Recovery recovery=null;if(custody.get("recovery")!=null){var pending=map(custody.get("recovery"));recovery=new DungeonState.Recovery(uuid(pending,"operation"),uuid(pending,"administrator"));}character=new DungeonState.CharacterBoss(uuid(custody,"operation"),CharacterYaml.decode(text(custody.get("record"))),new java.math.BigDecimal(text(custody.get("multiplier"))),custody.containsKey("prior-type")?EntityType.valueOf(text(custody.get("prior-type"))):EntityType.HUSK,custody.containsKey("prior-name")?text(custody.get("prior-name")):"",recovery);}boss=new DungeonState.Boss(EntityType.valueOf(text(value.get("type"))),text(value.get("name")),position(map(value.get("position"))),character);}rooms.add(new DungeonState.Room(uuid(room,"id"),text(room.get("name")),bounds(map(room.get("bounds"))),mobs,effects,new DungeonState.Reward(new BigInteger(text(room.get("reward-xp"))),new BigInteger(text(room.get("reward-coins")))),boss));}dungeons.add(new DungeonState.Dungeon(uuid(row,"id"),text(row.get("name")),uuid(row,"world"),position(map(row.get("entrance"))),bool(row.get("enabled")),uuid(row,"revision"),rooms));}
             var runs=new ArrayList<DungeonState.Run>();for(var item:list(root.get("runs"))){var row=map(item);var unitClaims=new HashSet<DungeonState.UnitClaim>();for(var value:list(row.get("unit-claims"))){var claim=map(value);unitClaims.add(new DungeonState.UnitClaim(uuid(claim,"room"),uuid(claim,"quest")));}var characterClaims=new HashSet<DungeonState.CharacterClaim>();for(var value:list(row.get("character-claims"))){var claim=map(value);characterClaims.add(new DungeonState.CharacterClaim(uuid(claim,"room"),uuid(claim,"character")));}runs.add(new DungeonState.Run(uuid(row,"dungeon"),uuid(row,"generation"),uuids(row.get("defeated-slots")),uuids(row.get("cleared-rooms")),unitClaims,characterClaims,bool(row.get("defeated"))));}
             return new DungeonState(dungeons,runs);
         }catch(RuntimeException invalid){throw new IOException("Invalid dungeon file",invalid);}
     }
     public void save(DungeonState state)throws IOException{Objects.requireNonNull(state);var root=new LinkedHashMap<String,Object>();root.put("schema-version",1);root.put("dungeons",state.dungeons().stream().sorted(Comparator.comparing(DungeonState.Dungeon::id)).map(YamlDungeonRepository::dungeon).toList());root.put("runs",state.runs().stream().sorted(Comparator.comparing(v->v.dungeon().toString()+v.generation())).map(YamlDungeonRepository::run).toList());Files.createDirectories(file.getParent());Path temporary=Files.createTempFile(file.getParent(),"dungeons-",".tmp");try{byte[] bytes=yaml().dump(root).getBytes(StandardCharsets.UTF_8);try(var output=java.nio.channels.FileChannel.open(temporary,StandardOpenOption.WRITE)){var buffer=java.nio.ByteBuffer.wrap(bytes);while(buffer.hasRemaining())output.write(buffer);output.force(true);}try{Files.move(temporary,file,StandardCopyOption.ATOMIC_MOVE,StandardCopyOption.REPLACE_EXISTING);}catch(AtomicMoveNotSupportedException unsupported){throw new IOException("Atomic dungeon persistence unavailable",unsupported);}DurableFiles.forceDirectory(file.getParent());}finally{Files.deleteIfExists(temporary);}}
     private static Map<String,Object> dungeon(DungeonState.Dungeon value){return row("id",value.id(),"name",value.name(),"world",value.world(),"entrance",position(value.entrance()),"enabled",value.enabled(),"revision",value.revision(),"rooms",value.rooms().stream().sorted(Comparator.comparing(DungeonState.Room::id)).map(YamlDungeonRepository::room).toList());}
-    private static Map<String,Object> room(DungeonState.Room value){return row("id",value.id(),"name",value.name(),"bounds",bounds(value.bounds()),"mobs",value.mobs().stream().sorted(Comparator.comparing(DungeonState.Spawn::id)).map(v->row("id",v.id(),"type",v.type(),"name",v.name(),"position",position(v.position()))).toList(),"effects",value.effects().stream().sorted(Comparator.comparing(DungeonState.Effect::id)).map(v->row("id",v.id(),"target",v.target(),"effect",v.effect(),"level",v.level(),"particles",v.particles())).toList(),"reward-xp",value.reward().xp(),"reward-coins",value.reward().coins(),"boss",value.boss()==null?null:row("type",value.boss().type(),"name",value.boss().name(),"position",position(value.boss().position())));}
+    private static Map<String,Object> room(DungeonState.Room value){return row("id",value.id(),"name",value.name(),"bounds",bounds(value.bounds()),"mobs",value.mobs().stream().sorted(Comparator.comparing(DungeonState.Spawn::id)).map(v->row("id",v.id(),"type",v.type(),"name",v.name(),"position",position(v.position()))).toList(),"effects",value.effects().stream().sorted(Comparator.comparing(DungeonState.Effect::id)).map(v->row("id",v.id(),"target",v.target(),"effect",v.effect(),"level",v.level(),"particles",v.particles())).toList(),"reward-xp",value.reward().xp(),"reward-coins",value.reward().coins(),"boss",value.boss()==null?null:row("type",value.boss().type(),"name",value.boss().name(),"position",position(value.boss().position()),"character",value.boss().character()==null?null:character(value.boss().character())));}
+    private static Map<String,Object> character(DungeonState.CharacterBoss value){return row("operation",value.operation(),"record",CharacterYaml.encode(value.character()),"multiplier",value.multiplier().toPlainString(),"prior-type",value.priorType(),"prior-name",value.priorName(),"recovery",value.recovery()==null?null:row("operation",value.recovery().operation(),"administrator",value.recovery().administrator()));}
     private static Map<String,Object> run(DungeonState.Run value){return row("dungeon",value.dungeon(),"generation",value.generation(),"defeated-slots",value.defeatedSlots().stream().sorted().toList(),"cleared-rooms",value.clearedRooms().stream().sorted().toList(),"unit-claims",value.unitClaims().stream().sorted(Comparator.comparing(v->v.room().toString()+v.quest())).map(v->row("room",v.room(),"quest",v.quest())).toList(),"character-claims",value.characterClaims().stream().sorted(Comparator.comparing(v->v.room().toString()+v.character())).map(v->row("room",v.room(),"character",v.character())).toList(),"defeated",value.defeated());}
     private static Map<String,Object> position(DungeonState.Position value){return row("x",value.x(),"y",value.y(),"z",value.z(),"yaw",value.yaw(),"pitch",value.pitch());}
     private static DungeonState.Position position(Map<?,?> value){return new DungeonState.Position(decimal(value.get("x")),decimal(value.get("y")),decimal(value.get("z")),(float)decimal(value.get("yaw")),(float)decimal(value.get("pitch")));}

src/main/java/games/dmg/fantasystick/session/EquipmentSessions.java

@@ -44,6 +44,7 @@ public final class EquipmentSessions implements AutoCloseable {
     private Supplier<Duration> switchDelay;
     private java.util.function.BooleanSupplier roleplayDisabled = () -> false;
     private java.util.function.Predicate<UUID> pvpDefeat = ignored -> false;
+    private java.util.function.Predicate<UUID> unavailableCharacter = ignored -> false;
     private java.util.function.Function<UUID,java.util.concurrent.CompletionStage<?>> partyDefeat =
         ignored -> java.util.concurrent.CompletableFuture.completedStage(null);
     private final Clock clock;
@@ -171,6 +172,11 @@ public final class EquipmentSessions implements AutoCloseable {
         roleplayDisabled = Objects.requireNonNull(policy);
     }
 
+    public synchronized void attachUnavailableCharacter(java.util.function.Predicate<UUID> predicate) {
+        if (!owned.isEmpty()) throw new IllegalStateException("Sessions already started");
+        unavailableCharacter = Objects.requireNonNull(predicate);
+    }
+
     public synchronized void attachPvpDefeat(java.util.function.Predicate<UUID> predicate) {
         if (!owned.isEmpty()) throw new IllegalStateException("Sessions already started");
         pvpDefeat = Objects.requireNonNull(predicate);
@@ -391,6 +397,10 @@ public final class EquipmentSessions implements AutoCloseable {
             notice(owner, "INVALID_SHEET", "Hold a valid live character sheet in your off hand.");
             return;
         }
+        if (unavailableCharacter.test(character.orElseThrow())) {
+            notice(owner, "CHARACTER_IN_CUSTODY", "That character sheet is assigned to a dungeon boss and cannot be activated.");
+            return;
+        }
         var attempt = new Attempt(player, owner, character.orElseThrow());
         if (adventureMode.getAsBoolean() && player.getGameMode() != org.bukkit.GameMode.ADVENTURE) {
             attempt.previousGameMode = player.getGameMode().name();
@@ -442,6 +452,9 @@ public final class EquipmentSessions implements AutoCloseable {
         }
         if (failure != null) { fail(attempt, failure); return; }
         var record = loaded.character().orElse(null);
+        if (unavailableCharacter.test(attempt.character)) {
+            refuse(attempt, "CHARACTER_IN_CUSTODY", "That character was assigned to a dungeon boss before activation completed."); return;
+        }
         if (record == null || record.dead() || record.health().signum() <= 0) {
             refuse(attempt, "UNAVAILABLE_CHARACTER", "The saved character is missing, dead or has no health."); return;
         }

src/nativeTest/java/games/dmg/fantasystick/DungeonNativeTest.java

@@ -54,6 +54,28 @@ class DungeonNativeTest {
 
         }
     }
+    @Test void authenticSheetAssignmentBlocksActivationAndRecoveryReturnsExactCharacter() throws Exception {
+        var root=data.resolve("custody");java.nio.file.Files.createDirectories(root);
+        try(var f=new FantasyStickLifecycleNativeTest.Fixture(root)){f.plugin.setEnabled(true);var actor=new FantasyStickLifecycleNativeTest.Actor(root);f.players.put(actor.core.id,actor.player);doReturn(true).when(actor.player).hasPermission("fantasystick.admin");UUID world=UUID.randomUUID();when(actor.world.getUID()).thenReturn(world);var dungeons=(DungeonDirectory)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"dungeons");var dungeon=dungeons.create("Custody",world,0,64,0,0,0).get(5,TimeUnit.SECONDS);var room=dungeons.addRadiusRoom(dungeon.id(),"Boss",0,64,0,3,3).get(5,TimeUnit.SECONDS);dungeons.setBoss(dungeon.id(),room.id(),EntityType.HUSK,"Temporary",0,65,0,0,0).get(5,TimeUnit.SECONDS);command(f,actor,"dungeon","edit","start",dungeon.id().toString());var controller=(games.dmg.fantasystick.dungeon.DungeonController)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"dungeonController");await(f,()->controller.editing(actor.core.id).isPresent(),actor.messages);actor.core.location.setX(.5);actor.core.location.setY(65);actor.core.location.setZ(.5);assertEquals(List.of("assign-sheet"),f.command.tabComplete(actor.player,"fantasystick",new String[]{"dungeon","room","boss","ass"}));assertEquals(List.of("0.1","1","1.5","10","100"),f.command.tabComplete(actor.player,"fantasystick",new String[]{"dungeon","room","boss","assign-sheet",""}));var sheet=actor.core.inventory.getItemInOffHand();actor.core.inventory.setItemInOffHand(null);actor.core.inventory.setItemInMainHand(sheet);actor.core.inventory.setItem(5,sheet.clone());command(f,actor,"dungeon","room","boss","assign-sheet","1.125");assertTrue(dungeons.custody(actor.core.record.id()).isEmpty());actor.core.inventory.setItem(5,null);var partyDirectory=(games.dmg.fantasystick.party.CharacterPartyDirectory)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"characterParties");var forbiddenParty=partyDirectory.create(actor.core.record.id(),"Before Custody").get(5,TimeUnit.SECONDS).party().orElseThrow();command(f,actor,"dungeon","room","boss","assign-sheet","1.125");assertTrue(dungeons.custody(actor.core.record.id()).isEmpty());assertFalse(actor.core.inventory.getItemInMainHand().isEmpty());partyDirectory.disband(actor.core.record.id(),forbiddenParty.id()).get(5,TimeUnit.SECONDS);command(f,actor,"dungeon","room","boss","assign-sheet","1.125");await(f,()->dungeons.custody(actor.core.record.id()).isPresent(),actor.messages);assertTrue(actor.core.inventory.getItemInMainHand().isEmpty());assertEquals(actor.core.record,dungeons.custody(actor.core.record.id()).orElseThrow().character());actor.core.inventory.setItemInOffHand(new games.dmg.fantasystick.items.CharacterSheets().create(actor.core.record));var sessions=(games.dmg.fantasystick.session.EquipmentSessions)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"sessions");sessions.enter(actor.player);assertTrue(sessions.active(actor.core.id).isEmpty());assertTrue(actor.messages.stream().anyMatch(message->message.contains("dungeon boss")));var storage=(CharacterStorage)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"characters");assertThrows(java.util.concurrent.ExecutionException.class,()->storage.awardExperience(actor.core.record.id(),actor.core.record.revision(),BigInteger.ONE,games.dmg.fantasystick.progression.ProgressionRules.defaults()).get(5,TimeUnit.SECONDS));assertEquals(games.dmg.fantasystick.party.CharacterPartyDirectory.Status.INVALID,partyDirectory.create(actor.core.record.id(),"Forbidden").get(5,TimeUnit.SECONDS).status());actor.core.inventory.setItemInOffHand(null);actor.core.location.setX(100);command(f,actor,"dungeon","edit","done");assertEquals(List.of(dungeon.id().toString()),f.command.tabComplete(actor.player,"fantasystick",new String[]{"dungeon","boss","recover-sheet",""}));command(f,actor,"dungeon","boss","recover-sheet",dungeon.id().toString());await(f,()->dungeons.custody(actor.core.record.id()).isEmpty(),actor.messages);var returned=Arrays.stream(actor.core.inventory.getContents()).filter(Objects::nonNull).filter(item->new games.dmg.fantasystick.items.CharacterSheets().identify(item).filter(actor.core.record.id()::equals).isPresent()).toList();assertEquals(1,returned.size());assertEquals(actor.core.record,storage.find(actor.core.record.id()).get(5,TimeUnit.SECONDS).orElseThrow());assertNull(dungeons.room(dungeon.id(),room.id()).orElseThrow().boss());}
+    }
+
+    @SuppressWarnings({"unchecked","rawtypes"})
+    @Test void characterBossMaterializesScaledVindicatorAndFixatesOnAcceptedThreat() throws Exception {
+        var root=data.resolve("character-runtime");java.nio.file.Files.createDirectories(root);
+        java.nio.file.Files.writeString(root.resolve("config.yml"),"adventure-daily-site-count: 0\n");
+        try(var f=new FantasyStickLifecycleNativeTest.Fixture(root)){
+            f.plugin.setEnabled(true);
+            var admin=new FantasyStickLifecycleNativeTest.Actor(root);f.players.put(admin.core.id,admin.player);doReturn(true).when(admin.player).hasPermission("fantasystick.admin");var bossStats=new java.util.EnumMap<games.dmg.fantasystick.progression.Stat,BigInteger>(games.dmg.fantasystick.progression.Stat.class);for(var stat:games.dmg.fantasystick.progression.Stat.values())bossStats.put(stat,BigInteger.valueOf(30));var abilities=List.of("fireball","frost_nova","hex","second_wind","purify","stone_skin","guardian_bond");var configuredBoss=new games.dmg.fantasystick.persistence.CharacterRecord(admin.core.record.id(),admin.core.record.name(),BigInteger.ONE,bossStats,admin.core.record.level(),admin.core.record.experience(),admin.core.record.unspentPoints(),java.math.BigDecimal.valueOf(40),Set.copyOf(abilities),abilities,List.of("speed_i","low_light_vision","quicker_regeneration_i"),Map.of("fireball",java.time.Instant.parse("2099-01-01T00:00:00Z")),Map.of(),false,null,null,admin.core.record.coins(),admin.core.record.coinsInitialized(),admin.core.record.rewardReceipts(),admin.core.record.pvpCoinEscrow(),new games.dmg.fantasystick.persistence.CharacterGear(games.dmg.fantasystick.persistence.GearTier.COPPER,games.dmg.fantasystick.persistence.GearTier.GOLD,games.dmg.fantasystick.persistence.GearTier.IRON));new games.dmg.fantasystick.persistence.YamlCharacterRepository(root).replace(configuredBoss,BigInteger.ZERO);
+            UUID worldId=UUID.randomUUID();when(admin.world.getUID()).thenReturn(worldId);when(admin.world.isChunkLoaded(anyInt(),anyInt())).thenReturn(true);
+            var spawned=new ArrayList<Vindicator>();var maximumBases=new IdentityHashMap<Vindicator,double[]>();var attackBases=new IdentityHashMap<Vindicator,double[]>();var bossEffects=new IdentityHashMap<Vindicator,Set<org.bukkit.potion.PotionEffect>>();var bossEquipment=new IdentityHashMap<Vindicator,org.bukkit.inventory.EntityEquipment>();
+            doAnswer(call->{var mob=mock(Vindicator.class);var pdc=new org.bukkit.craftbukkit.persistence.CraftPersistentDataContainer(new org.bukkit.craftbukkit.persistence.CraftPersistentDataTypeRegistry());var maximum=mock(org.bukkit.attribute.AttributeInstance.class);var damage=mock(org.bukkit.attribute.AttributeInstance.class);var equipment=mock(org.bukkit.inventory.EntityEquipment.class);var maximumBase=new double[]{20};var attackBase=new double[]{1};var health=new double[]{20};var effects=new LinkedHashSet<org.bukkit.potion.PotionEffect>();effects.add(new org.bukkit.potion.PotionEffect(org.bukkit.potion.PotionEffectType.WEAKNESS,200,0));maximumBases.put(mob,maximumBase);attackBases.put(mob,attackBase);bossEffects.put(mob,effects);bossEquipment.put(mob,equipment);when(mob.getPersistentDataContainer()).thenReturn(pdc);when(mob.getUniqueId()).thenReturn(UUID.randomUUID());when(mob.getLocation()).thenReturn(((Location)call.getArgument(0)).clone());when(mob.getAttribute(org.bukkit.attribute.Attribute.MAX_HEALTH)).thenReturn(maximum);when(mob.getAttribute(org.bukkit.attribute.Attribute.ATTACK_DAMAGE)).thenReturn(damage);when(maximum.getValue()).thenAnswer(ignored->maximumBase[0]);doAnswer(invocation->{maximumBase[0]=(Double)invocation.getArgument(0);return null;}).when(maximum).setBaseValue(anyDouble());doAnswer(invocation->{attackBase[0]=(Double)invocation.getArgument(0);return null;}).when(damage).setBaseValue(anyDouble());when(mob.getHealth()).thenAnswer(ignored->health[0]);doAnswer(invocation->{health[0]=(Double)invocation.getArgument(0);return null;}).when(mob).setHealth(anyDouble());when(mob.getEquipment()).thenReturn(equipment);when(mob.hasLineOfSight(any(Entity.class))).thenReturn(true);when(mob.getActivePotionEffects()).thenAnswer(ignored->Set.copyOf(effects));doAnswer(invocation->{effects.add(invocation.getArgument(0));return true;}).when(mob).addPotionEffect(any(org.bukkit.potion.PotionEffect.class));doAnswer(invocation->{effects.add(invocation.getArgument(0));return true;}).when(mob).addPotionEffect(any(org.bukkit.potion.PotionEffect.class),anyBoolean());doAnswer(invocation->{effects.removeIf(effect->effect.getType().equals(invocation.getArgument(0)));return null;}).when(mob).removePotionEffect(any(org.bukkit.potion.PotionEffectType.class));((java.util.function.Consumer<Vindicator>)call.getArgument(2)).accept(mob);spawned.add(mob);return mob;}).when(admin.world).spawn(any(Location.class),eq(Vindicator.class),any(java.util.function.Consumer.class));
+            when(admin.world.getEntities()).thenAnswer(ignored->new ArrayList<Entity>(spawned));
+            var dungeons=(DungeonDirectory)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"dungeons");var dungeon=dungeons.create("Mirror",worldId,0,64,0,0,0).get(5,TimeUnit.SECONDS);var room=dungeons.addRadiusRoom(dungeon.id(),"Boss",0,64,0,3,3).get(5,TimeUnit.SECONDS);dungeons.setBoss(dungeon.id(),room.id(),EntityType.HUSK,"Temporary",0,65,0,0,0).get(5,TimeUnit.SECONDS);command(f,admin,"dungeon","edit","start",dungeon.id().toString());var controller=(games.dmg.fantasystick.dungeon.DungeonController)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"dungeonController");await(f,()->controller.editing(admin.core.id).isPresent(),admin.messages);admin.core.location.setX(.5);admin.core.location.setY(65);admin.core.location.setZ(.5);var sheet=admin.core.inventory.getItemInOffHand();admin.core.inventory.setItemInOffHand(null);admin.core.inventory.setItemInMainHand(sheet);command(f,admin,"dungeon","room","boss","assign-sheet","2");await(f,()->dungeons.custody(admin.core.record.id()).isPresent(),admin.messages);command(f,admin,"dungeon","edit","done");command(f,admin,"dungeon","enable",dungeon.id().toString());command(f,admin,"dungeon","open",dungeon.id().toString());
+            var fighter=new FantasyStickLifecycleNativeTest.Actor(root);fighter.core.location.setWorld(admin.world);fighter.core.location.setX(.5);fighter.core.location.setY(65);fighter.core.location.setZ(.5);f.players.put(fighter.core.id,fighter.player);doReturn(false).when(fighter.player).isDead();doReturn(true).when(fighter.player).addPotionEffect(any(org.bukkit.potion.PotionEffect.class),anyBoolean());var abilityHits=new ArrayList<Double>();fighter.damage=(amount,source)->abilityHits.add(amount);f.activate(fighter);var adventures=(AdventureQuestDirectory)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"adventureQuests");var catalog=adventures.snapshot().catalog();assertEquals(AdventureQuestDirectory.Acceptance.APPLIED,adventures.accept(catalog.revision(),dungeon.id(),AdventureQuestState.UnitType.SOLO,fighter.core.record.id(),Set.of(fighter.core.record.id())).get(5,TimeUnit.SECONDS).status());var challenger=new FantasyStickLifecycleNativeTest.Actor(root);challenger.core.location.setWorld(admin.world);challenger.core.location.setX(1.5);challenger.core.location.setY(65);challenger.core.location.setZ(.5);f.players.put(challenger.core.id,challenger.player);doReturn(false).when(challenger.player).isDead();doReturn(true).when(challenger.player).addPotionEffect(any(org.bukkit.potion.PotionEffect.class),anyBoolean());challenger.damage=(amount,sourceEntity)->{};f.activate(challenger);assertEquals(AdventureQuestDirectory.Acceptance.APPLIED,adventures.accept(catalog.revision(),dungeon.id(),AdventureQuestState.UnitType.SOLO,challenger.core.record.id(),Set.of(challenger.core.record.id())).get(5,TimeUnit.SECONDS).status());pulse(f);drain(f);pulse(f);drain(f);assertFalse(spawned.isEmpty());var boss=spawned.getLast();assertEquals(70d,maximumBases.get(boss)[0]);assertEquals(26d,attackBases.get(boss)[0]);var equipment=bossEquipment.get(boss);verify(equipment).setChestplate(argThat(item->item!=null&&item.getType()==Material.COPPER_CHESTPLATE));verify(equipment).setLeggings(argThat(item->item!=null&&item.getType()==Material.GOLDEN_LEGGINGS));verify(equipment).setBoots(argThat(item->item!=null&&item.getType()==Material.IRON_BOOTS));assertTrue(bossEffects.get(boss).stream().anyMatch(effect->effect.getType().equals(org.bukkit.potion.PotionEffectType.SPEED)),bossEffects.get(boss)::toString);assertTrue(bossEffects.get(boss).stream().anyMatch(effect->effect.getType().equals(org.bukkit.potion.PotionEffectType.NIGHT_VISION)),bossEffects.get(boss)::toString);boss.setHealth(50);var source=mock(org.bukkit.damage.DamageSource.class);when(source.getCausingEntity()).thenReturn(fighter.player);when(source.getDirectEntity()).thenReturn(fighter.player);f.dispatcher.accept(new EntityDamageByEntityEvent(fighter.player,boss,EntityDamageEvent.DamageCause.ENTITY_ATTACK,source,3));pulse(f);verify(boss,atLeastOnce()).setTarget(fighter.player);assertTrue(abilityHits.size()>=2,"Every ready offensive slot casts in the same pulse");int firstCasts=abilityHits.size();pulse(f);assertEquals(firstCasts,abilityHits.size(),"Boss-only cooldowns suppress immediate recasts");assertFalse(bossEffects.get(boss).stream().anyMatch(effect->effect.getType().equals(org.bukkit.potion.PotionEffectType.WEAKNESS)),"Purify removes a real harmful effect");var challengerSource=mock(org.bukkit.damage.DamageSource.class);when(challengerSource.getCausingEntity()).thenReturn(challenger.player);when(challengerSource.getDirectEntity()).thenReturn(challenger.player);f.dispatcher.accept(new EntityDamageByEntityEvent(challenger.player,boss,EntityDamageEvent.DamageCause.ENTITY_ATTACK,challengerSource,10));pulse(f);var targets=org.mockito.ArgumentCaptor.forClass(LivingEntity.class);verify(boss,atLeastOnce()).setTarget(targets.capture());assertSame(fighter.player,targets.getAllValues().getLast(),"Higher later threat cannot break fixation");fighter.core.location.setX(100);pulse(f);targets=org.mockito.ArgumentCaptor.forClass(LivingEntity.class);verify(boss,atLeastOnce()).setTarget(targets.capture());assertSame(challenger.player,targets.getAllValues().getLast(),"Ineligible fixation retargets highest remaining threat");
+            challenger.core.location.setX(100);pulse(f);verify(boss,atLeastOnce()).remove();challenger.core.location.setX(.5);pulse(f);drain(f);var freshBoss=spawned.getLast();assertNotSame(boss,freshBoss);assertEquals(70d,maximumBases.get(freshBoss)[0]);f.dispatcher.accept(new EntityDamageByEntityEvent(challenger.player,freshBoss,EntityDamageEvent.DamageCause.ENTITY_ATTACK,challengerSource,2));f.dispatcher.accept(new EntityDeathEvent(freshBoss,challengerSource,new ArrayList<>(),0));await(f,()->dungeons.runView(dungeon.id(),catalog.revision()).map(DungeonState.Run::defeated).orElse(false),admin.messages);assertTrue(dungeons.custody(admin.core.record.id()).isPresent(),"Boss defeat keeps character custody for later days");challenger.core.location.setX(100);command(f,admin,"dungeon","disable",dungeon.id().toString(),"confirm");admin.core.location.setX(100);command(f,admin,"dungeon","boss","recover-sheet",dungeon.id().toString());await(f,()->dungeons.custody(admin.core.record.id()).isEmpty(),admin.messages);var storage=(CharacterStorage)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"characters");assertEquals(configuredBoss,storage.find(configuredBoss.id()).get(5,TimeUnit.SECONDS).orElseThrow());assertTrue(Arrays.stream(admin.core.inventory.getContents()).filter(Objects::nonNull).anyMatch(item->new games.dmg.fantasystick.items.CharacterSheets().identify(item).filter(configuredBoss.id()::equals).isPresent()));
+        }
+    }
+
     @Test void questGiverPaginatesManualDungeonOffersBeyondAutomaticCount() throws Exception {
         java.nio.file.Files.writeString(data.resolve("config.yml"),"adventure-daily-site-count: 0\n");try(var f=new FantasyStickLifecycleNativeTest.Fixture(data)){f.plugin.setEnabled(true);var actor=new FantasyStickLifecycleNativeTest.Actor(data);f.players.put(actor.core.id,actor.player);UUID world=UUID.randomUUID();when(actor.world.getUID()).thenReturn(world);f.activate(actor);var directory=(AdventureQuestDirectory)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"adventureQuests");var sites=new ArrayList<AdventureQuestState.Site>();for(int i=0;i<46;i++)sites.add(new AdventureQuestState.Site(UUID.randomUUID(),AdventureQuestState.SiteType.DUNGEON,"Dungeon "+i,world,i,64,0));var catalog=new AdventureQuestState.Catalog(java.time.LocalDate.now(java.time.ZoneOffset.UTC),UUID.randomUUID(),java.time.Instant.now(),sites.stream().map(AdventureQuestState.Site::id).toList());var field=directory.getClass().getDeclaredField("snapshot");field.setAccessible(true);field.set(directory,new AdventureQuestState(sites,List.of(),catalog,List.of(),Set.of(),Set.of(),Map.of()));var controller=(AdventureQuestController)FantasyStickLifecycleNativeTest.Fixture.field(f.plugin,"adventureQuestController");controller.open(actor.player);drain(f);var first=actor.inventories.getLast();assertEquals(54,first.getSize());assertEquals(Material.ARROW,first.getItem(53).getType());var click=mock(InventoryClickEvent.class);when(click.getWhoClicked()).thenReturn(actor.player);when(click.getInventory()).thenReturn(first);when(click.getCurrentItem()).thenReturn(first.getItem(53));controller.click(click);drain(f);var second=actor.inventories.getLast();assertNotSame(first,second);assertTrue(second.getItem(0).getItemMeta().displayName().toString().contains("Dungeon 45"));}
     }

src/test/java/games/dmg/fantasystick/dungeon/CharacterBossCustodyTest.java

@@ -0,0 +1,36 @@
+package games.dmg.fantasystick.dungeon;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import games.dmg.fantasystick.persistence.*;
+import games.dmg.fantasystick.progression.Stat;
+import java.math.*;
+import java.nio.file.Path;
+import java.time.Instant;
+import java.util.*;
+import java.util.concurrent.TimeUnit;
+import org.bukkit.entity.EntityType;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+final class CharacterBossCustodyTest {
+    @TempDir Path data;
+
+    @Test void assignmentPersistsExactCharacterAndFlooredSixStatMultiplierUntilRecovery() throws Exception {
+        var stats=new EnumMap<Stat,BigInteger>(Stat.class);int value=11;for(var stat:Stat.values())stats.put(stat,BigInteger.valueOf(value++));
+        var character=new CharacterRecord(UUID.randomUUID(),"Mira Vale",BigInteger.valueOf(27),stats,8,BigInteger.valueOf(700),BigInteger.valueOf(3),BigDecimal.valueOf(20),Set.of("fireball","second_wind"),List.of("fireball","second_wind","","","","",""),List.of("speed_i","",""),Map.of("fireball",Instant.parse("2026-09-22T04:00:00Z")),Map.of(),false,null,null,BigInteger.valueOf(44),true,Set.of(),BigInteger.ZERO,new CharacterGear(GearTier.IRON,GearTier.GOLD,GearTier.DIAMOND));
+        UUID dungeonId,roomId,operation;
+        try(var directory=new DungeonDirectory(new YamlDungeonRepository(data))){
+            var dungeon=directory.create("Custody",UUID.randomUUID(),0,65,0,0,0).get(5,TimeUnit.SECONDS);dungeonId=dungeon.id();
+            var room=directory.addRadiusRoom(dungeon.id(),"Boss",0,64,0,2,3).get(5,TimeUnit.SECONDS);roomId=room.id();
+            directory.setBoss(dungeon.id(),room.id(),EntityType.HUSK,"Temporary",0,65,0,0,0).get(5,TimeUnit.SECONDS);
+            for(var invalid:List.of("0.099","100.001","1.0001"))assertThrows(IllegalArgumentException.class,()->directory.assignCharacterBoss(dungeon.id(),room.id(),character,new BigDecimal(invalid)));
+            var assigned=directory.assignCharacterBoss(dungeon.id(),room.id(),character,new BigDecimal("1.125")).get(5,TimeUnit.SECONDS);operation=assigned.operation();
+            assertThrows(java.util.concurrent.ExecutionException.class,()->directory.assignCharacterBoss(dungeon.id(),room.id(),character,BigDecimal.ONE).get(5,TimeUnit.SECONDS));
+            assertEquals(character,assigned.character());assertEquals(EntityType.VINDICATOR,directory.room(dungeon.id(),room.id()).orElseThrow().boss().type());assertEquals(character.name(),directory.room(dungeon.id(),room.id()).orElseThrow().boss().name());
+            for(var stat:Stat.values())assertEquals(new BigDecimal(character.stats().get(stat)).multiply(new BigDecimal("1.125")).setScale(0,RoundingMode.FLOOR).toBigIntegerExact(),assigned.effectiveStats().get(stat));
+            assertThrows(java.util.concurrent.ExecutionException.class,()->directory.clearBoss(dungeon.id(),room.id()).get(5,TimeUnit.SECONDS));assertThrows(java.util.concurrent.ExecutionException.class,()->directory.remove(dungeon.id()).get(5,TimeUnit.SECONDS));
+        }
+        try(var reloaded=new DungeonDirectory(new YamlDungeonRepository(data))){var custody=reloaded.custody(character.id()).orElseThrow();assertEquals(operation,custody.operation());assertEquals(character,custody.character());var generation=UUID.randomUUID();reloaded.run(dungeonId,generation).get(5,TimeUnit.SECONDS);reloaded.reset(new games.dmg.fantasystick.adventure.AdventureQuestState.Reset(UUID.randomUUID(),UUID.randomUUID(),Instant.parse("2026-09-22T05:00:00Z"))).toCompletableFuture().get(5,TimeUnit.SECONDS);assertTrue(reloaded.snapshot().runs().isEmpty());assertEquals(character,reloaded.custody(character.id()).orElseThrow().character());var recovery=reloaded.prepareRecovery(dungeonId,UUID.randomUUID()).get(5,TimeUnit.SECONDS);assertEquals(character,recovery.character());assertTrue(reloaded.completeRecovery(dungeonId,recovery.recovery().operation()).get(5,TimeUnit.SECONDS));assertTrue(reloaded.custody(character.id()).isEmpty());assertNull(reloaded.room(dungeonId,roomId).orElseThrow().boss());}
+    }
+}