Binding of Isaac: Rebirth Wiki
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Added in Afterbirth †

Compost is an activated item added in The Binding of Isaac: Afterbirth †.

Effects[]

  • Upon use, converts pickups within the current room to Blue Flies or Blue Spiders.
  • Doubles Isaac's current amount of Blue Flies and Spiders.
    • If Isaac has no Blue Flies or Spiders, spawns one Blue Fly or Spider.

Notes[]

Synergies[]

  • Added in RepentanceBook of Virtues Book of Virtues: A wisp will only be summoned if Compost destroys at least one pickup, and the wisp's health will be equal to the number of pickups converted to Blue Flies/Spiders. If Isaac hits the blue fly cap of 64 as a result of using Compost, all but one of Isaac's wisps will despawn.

In-game Footage[]

Trivia[]

  • Compost is organic matter that has been decomposed and recycled as fertilizer.

Bugs[]

PC When using the item and obtaining an item (cards/pills/items) at the same time it will make the picked-up item disappear.


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