Key Bum

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Font TeamMeat K.pngFont TeamMeat e.pngFont TeamMeat y.png   Font TeamMeat B.pngFont TeamMeat u.pngFont TeamMeat m.png
Removed in Afterbirth †Item icon
Added in Afterbirth †Item icon
Item altar
  
  
  
Table dividing line 1.png
 
5.100.388
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Key Master Key Master
Secret Room Secret Room
Treasure Room Treasure Room
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Added in Afterbirth †(page 4, column 3, row 2)
Removed in Afterbirth †(page 4, column 3, row 2)
  
Key Bum Defeat Ultra Greed as Lazarus
Added in Afterbirth

Key Bum is an unlockable passive item added in Afterbirth.

Effects[edit | edit source]

  • Spawns a familiar that follows Isaac around and collects keys, dropping random Chests in return.
  • This item belongs to the Super Bum set. Collecting three items from this set will transform Isaac's bums into Super Bum.

Notes[edit | edit source]

Synergies[edit | edit source]

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

In-game Footage[edit | edit source]

Seeds[edit | edit source]

 PC  WJK1 9R0Z (Treasure Room adjacent to spawn)

Bugs[edit | edit source]

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


Lazarus Unlocks Lazarus Unlocks Lazarus Unlocks
Missing No.Lazarus' RagsBroken AnkhStore CreditPandora's BoxWrapped BabyBegotten Baby Empty VesselKey BumLong BabyDripping Baby Compound FracturePlan C
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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Characters Characters MainPageBabies.png Co-op Items Items Item pools Item pools Monsters Monsters Objects Objects
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