Binding of Isaac: Rebirth Wiki
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Binding of Isaac: Rebirth Wiki

Added in Afterbirth

Completing this transformation will take the three bums and replace them with the Super Bum familiar, who automatically collects all coins, red hearts, and keys in the room and drops twice as many rewards as the regular bums would have produced.

Passive Collectibles[]

Name ID Icon Quote Description Added in Repentance Quality
Bum Friend 5.100.144 Bum Friend He's greedy Spawns a familiar that picks up coins for himself, giving random pickups in return. Does not spawn collectibles. 0
Dark Bum 5.100.278 Dark Bum He wants to take your life Spawns a familiar that follows Isaac around and collects Red Hearts. For every 1½ Red Hearts collected, Dark Bum will give a reward. 4
Key Bum 5.100.388 Key Bum He wants your keys! Spawns a familiar that follows Isaac and collects Keys for himself, giving random Chests in return. 0

Notes[]

  • This transformation has a unique animation sequence when the third bum is picked up.
  • When Dark Bum is obtained through 15►Cambion Conception Cambion Conception, it does not count towards the transformation.
  • If multiple bums of the same kind were present before the transformation, e.g. via 15►Box of Friends Box of Friends, all of them will be replaced with only one Super Bum when three different bums are obtained.
  • If any additional bums are obtained after the transformation, they will not be displayed on the screen.

Videos[]

Trivia[]

  • This is the only transformation that does not affect Isaac himself, but instead transforms (and even fuses) certain familiars.
  • This is the only transformation that has a unique animation.


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