Key Bum

 

"He wants your keys!"

Item ID
5.100.388

Item Pool

			Key Master
			Secret Room
			Treasure Room

Collection Grid

(page 4, column 3, row 2)

(page 4, column 3, row 2)

(page 4, column 4, row 2)

Unlock Method
Defeat Ultra Greed as Lazarus

Key Bum is an unlockable passive item added in Afterbirth.

Effects

• Spawns a familiar that follows Isaac around and collects keys, dropping random Chests in return. (He does not fill up a familiar "slot".)
• This item belongs to the Super Bum set. Collecting three items from this set will transform Isaac's bums into Super Bum.

Notes

• Key Bum will not pick up golden keys.
• Key Bum will pick up charged keys without additional benefit.
• Key Bum will leave a Lil' Battery behind when picking up charged keys.

Synergies

• BFFS!: Familiar is bigger and drops chests more often.

Seeds

PC WJK1 9R0Z (Treasure Room adjacent to spawn)

Bugs

Bug!	If Credit Card is used in a Shop with keys, Key Bum will not be able to pick up the free keys. This can be fixed if Isaac leaves and re-enters the shop.

Bug!	Charged Keys do not increment Key Bum's key count when picked up.