Chest key
From Emps-World Wiki
Chest keys are obtainable as a rare drop from any monster in the Smoke dungeon. It can be used to unlock the Burnt chest in the Smoke dungeon for various cosmetic items such as:
Chest keys are obtainable as a rare drop from any monster in the Smoke dungeon. It can be used to unlock the Burnt chest in the Smoke dungeon for various cosmetic items such as: