Binding of Isaac: Rebirth Wiki

(in Repentance)

Hollow Heart is an unlockable trinket added in The Binding of Isaac: Repentance.

Effects[ | ]

  • Grants one Bone HeartBone Heart container upon entering a new floor.
    • If Isaac has 12 heart containers, the added bone heart will replace the rightmost Soul HeartSoul Heart (if any).

Synergies[ | ]

  • Collectible Brittle Bones iconBrittle Bones: Allows Isaac to sacrifice a bone heart for a fire rate increase every floor.
  • Collectible Glowing Hourglass iconGlowing Hourglass: Bone hearts will persist when returning to a previous floor, and another will be granted after going back down.
  • Golden Trinket Golden Trinket / Collectible Mom's Box iconMom's Box: Adds 2 bone heart containers instead of one.