--- type: User Story title: "US-003: Show progression and rank advancement" description: Give players brief kill progress displays and prominent rank-up notifications. status: backlog --- # US-003: Show progression and rank advancement As a **player**, I want visible progress and rank-up notifications so that I understand my advancement without persistent screen clutter. ## Acceptance criteria - [ ] After each qualifying creeper kill, a temporary boss bar shows the player's current state and progress toward the next rank. - [ ] A locked player sees progress toward Creeper Aura I. - [ ] A ranked player sees their current Roman-numeral rank, current kill total, and the next threshold. - [ ] The display duration is configurable and defaults to a short period measured in seconds. - [ ] The boss bar is hidden automatically when its display period expires. - [ ] A rank VI player no longer sees a progress boss bar. - [ ] Each newly attained rank displays a full-screen title naming the rank. - [ ] Joining the server does not replay a previously acknowledged rank-up title. - [ ] Administrative progress changes update the display state of an online affected player. - [ ] When one progress event satisfies multiple ranks, the resulting rank and notification behavior is deterministic and tested. ## Related - [Creeper Aura ranks](us-002-unlock-creeper-aura-ranks.md) - [Check personal progress](us-004-check-personal-progress.md) - [User-story catalog](index.md)