Butter Bean

Effects

Upon use, Isaac farts and knocks back nearby enemies.
- (Added in Afterbirth) Projectiles are also deflected.
  - (Added in Repentance) Enemies pushed into walls or obstacles take 10 + 2 * (floor - 1) damage. Projectiles that are reflected also deal damage to enemies

(Added in Afterbirth † / Removed in Repentance) If Isaac swaps Butter Bean for a different active item, then picks up Butter Bean again, it has a 10% chance to transform into Wait What?.
(Added in Repentance) When a run is started, the game may replace Butter Bean with Wait What? in item pools. Both items are generally not available in the same run.

(Added in Repentance) Book of Virtues: Inner ring. The wisps are white and do not shoot tears, have only 1 health each, release farts that knockback upon death and cannot be carried across rooms.
(Added in Afterbirth †) Ghost Pepper: Shoots a flame behind Isaac upon each use of Butter Bean. Two flames will be shot if Isaac also has (Added in Afterbirth) Car Battery.
(Added in Repentance)(Panic Button) Panic Button: Activates Butter Bean upon taking damage. If the damage was from a projectile that Butter Bean can knock away, it will be negated.