The Binding of Isaac Wiki

Rotten Baby

Rotten Baby


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Spawns a familiar that spawns a Blue Fly when Isaac shoots. It can only have one Fly at a time.


"Infested friend"


  • Spawns a familiar which does not shoot tears, but spawns friendly Blue Flies when the player holds down the fire key.
  • This item belongs to the Conjoined set. Collecting three items from this set will transform Isaac into a three-faced version of himself.


Found in

  • Baby Shop
  • Rotten Beggar
  • Devil Room
  • Treasure Room
  • Devil Room (Greed Mode)
  • Treasure Room (Greed Mode)


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