> For the complete documentation index, see [llms.txt](https://elementaldungeon.gitbook.io/elemental-dungeon/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://elementaldungeon.gitbook.io/elemental-dungeon/game-play/pve.md).

# PVE

Each hero is allowed to battle with a boss once per day using Spin to earn feature (boss fights are reset every 24h regardless of in-game actions like buying/selling/upgrading heroes)