Binding of Isaac: Rebirth Wiki
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(in Afterbirth † and Repentance)

Wait What? is an activated item added in The Binding of Isaac: Afterbirth †.

Effects[ | ]

  • Upon use, Isaac farts, knocking back enemies and their shots. It also sends out rock waves that deal 10 damage per tick to nearby enemies and break obstacles.
  • (in Repentance) Shots deflected by Wait What? farts deal 6 damage if they would've hurt Isaac for half a heart, and 7 for a full heart.

Notes[ | ]

  • This item is identical to Collectible Butter Bean iconButter Bean in appearance.
  • (except in Repentance) Collectible Butter Bean iconButter Bean has a 10% chance to turn into this item upon pickup.
  • (in Repentance) Each run has a 5% chance of replacing Butter Bean with Wait What? in item pools. Both items generally do not exist during the same run.
  • This item is useful for opening Secret RoomSecret Rooms, Super Secret RoomSuper Secret Rooms, Bedrooms and the path to (in Repentance)MinesMines. In Bedrooms, it can also open up the passage under the carpet.
    • To break open a secret room, the wall must be hit with one of the rock waves, not the gas cloud, so Isaac needs to stand a few steps away from the wall.
  • The earthquake can open Bomb ChestBomb Chests.
  • The earthquake can destroy ShopkeeperShopkeepers.
  • (except in Repentance) The earthquake can be used to blow up the Donation MachineDonation Machine or activate/blow up a Shop Restock MachineShop Restock Machine.

Synergies[ | ]

  • (in Repentance)Collectible Bird's Eye iconBird's Eye: Shoots a flame behind Isaac upon each use of Wait What. Despite Collectible Car Battery iconCar Battery not duplicating Wait What's shockwave, the flame shot is duplicated.
  • (in Repentance)Collectible Book of Virtues iconBook of Virtues: Spawns white glowing wisps on the middle ring that don't shoot. The wisps invoke the effect of Wait What? when destroyed and do not persist between rooms.
  • Collectible Ghost Pepper iconGhost Pepper: Shoots a flame behind Isaac upon each use of Wait What. Despite Collectible Car Battery iconCar Battery not duplicating Wait What's shockwave, the flame shot is duplicated.

Interactions[ | ]

In-game Footage[ | ]

Trivia[ | ]

  • The item description is a reference to a brand of margarine named "I Can't Believe It's Not Butter!".
  • (except in Repentance) Unlike Collectible Butter Bean iconButter Bean, this item has no unlock condition, meaning it's possible for the player to find it right away, making the joke and reference slightly confusing.
    • (in Repentance) Wait What? no longer shows up naturally in any item pools, however it has a chance to replace Collectible Butter Bean iconButter Bean in any run.
  • The sprite of this item is exactly identic to Collectible Butter Bean iconButter Bean, making them the two only items strictly identic of the game.



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