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Hollow Heart trinket
Hollow Heart is an unlockable trinket in The Binding of Isaac, added in the Repentance DLC.
Description
Grants a 
Bone Heart upon entering a new floor.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this trinket for the previous Repentance version, check this page instead.
How to unlock?
Defeat Mother as Tainted Forgotten.
Special synergies
The following special synergies and interactions for Hollow Heart have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | +1 Bone Heart is added. |
* Note that not all possible synergies and interactions are listed here.
Internal item description
Below is the Internal Item Description as shown in-game.
Note that some stat changes are not displayed here. Please see the main description for the full effects.
Hollow Heart
• Gain a bone heart at the start of a new floor
• Golden Trinket (without Mom's Box): Gain 2 bone hearts at the start of a new floor
• Mom's Box: Gain 2 bone hearts at the start of a new floor
• Mom's Box + Golden Trinket: Gain 3 bone hearts at the start of a new floor
External links
- Check out the trinket description on the external Isaac Wiki.
Nuh Uh! 
Modeling Clay 
Polished Bone 
Kid's Drawing 
Crystal Key 
Keeper's Bargain