Chests

Chests can be found in almost every room in the game. When opened, they grant one or more items.

Summary

Appearance	Unofficial Name	Drops	Location
	Plain Chest	1 Coin Bag Key Small Healing Potion	Appears after clearing a room with mistakes. Can appear after clearing wave 1 or 2 of a Challenge room.
	Flawless Chest	1 Coin Bag Key Small Healing Potion	Appears after clearing a room flawlessly. Can appear after clearing wave 1 or 2 of a Challenge room.
	Wide Chest	1-4[verification needed • edit • ?] of any combination of: 1 Coin Bag Key Small Healing Potion Lucky Dice Stat Upgrade Equipment (low chance of occurence)	Can appear after clearing a room. (Uncommon) Can appear after clearing wave 1 or 2 of a Challenge room.
	Midas Chest	1	Appears after clearing a room on zones with the Midas modifier.
	Golden Chest	Shield Equipment Stat Upgrade Lucky Dice Shield Converter Skeleton Key Heart Container [verification needed • edit • ?]	Can appear after clearing a room. (Rare) Appears in every Treasure room.
	Weapon Chest	Weapon Clip up(since weapon can't appear twice in one run)	Can appear after clearing a room. (Very Rare) Appears at the top of the Tower room in Castle Asgard I.
	Secret Chest	Weapon Ability Equipment Stat Upgrade  ?	Appears in high or hard to reach places in rooms.
	Pain Chest	Weapon Ability Equipment Clip Up Stat Upgrade  ?	Appears behind the damage barrier in Treasure room.
	Boss Chest	Stat Upgrade Clip Up	Appears after defeating a boss in a Boss room. Does not appear after defeating bosses in Boss Rush or after defeating previous bosses in Helheim I.
	Challenge Chest	Weapon Ability Equipment Stat Upgrade Skeleton Key  ?	Appears after clearing the 3rd wave of a Challenge room.
	Bank Chest	2-6 of any combination of: 1 Coin Bag Key	Appears in the Bank vault that becomes accessible if you have 100+ coins deposited. Can also appear after clearing rooms on floors with the "Bountiful" modifier
	Cursed Chests	2/3 contain a Fly 1/3 contains any of: Coin Bag Shield Large Healing Potion Equipment Ability Stat Upgrade	Appears in rooms as a form of altar.