Binding of Isaac: Rebirth Wiki

(in Afterbirth † and Repentance)

Buddy in a Box is an unlockable passive item added in The Binding of Isaac: Afterbirth † (Booster Pack #1).

Effects[ | ]

  • Grants a familiar with random tear effects, fire rate, and damage.
    • The familiar's damage scales from ~2-6, and tear delay scales from ~12-30.
    • The familiar takes the appearance of a random co-op baby.
    • The familiar is randomized upon entering a new floor.
  • (in Repentance) This item belongs to the ConjoinedConjoined set. Collecting three items from this set will transform Isaac into a three-faced version of himself.

Notes[ | ]

  • The tear effects available are the same as on the Collectible Fruit Cake iconFruit Cake item.
  • The familiar's tear appearance isn't linked to the normal effect such tears would have.
  • Some tear effects like Collectible Proptosis iconProptosis and Collectible Tiny Planet iconTiny Planet do not have their associated stat boosts and thus are very ineffective.
  • (except in Repentance)Familiars with the Collectible Serpent's Kiss iconSerpent's Kiss effect can drop Black HeartBlack Hearts when an enemy is killed.
  • Familiars will not do contact damage.
  • (in Repentance) Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Buddy in a Box having 5th priority.

Interactions[ | ]

In-game Footage[ | ]

Trivia[ | ]

  • Buddy in a Box is based on this Steam Workshop item by Ashkait and Scayze.
  • This is the only way of seeing co-op babies in-game outside of co-op.
  • (in Repentance) The re-texture makes it look like a Funko Pop Figurine Box.

Bugs[ | ]

Bug Bug! (in Repentance) The familiar will change upon exiting the Collectible Knife Piece 2 iconKnife Piece 2 area.