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Polished Bone trinket
Polished Bone is an unlockable trinket in The Binding of Isaac, added in the Repentance DLC.
Description
Clearing a room has small a chance to spawn a friendly Bony.
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 Isaac, ???, Satan, and The Lamb as Tainted Forgotten.
Special synergies
The following special synergies and interactions for Polished Bone have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the trinket description on the external Isaac Wiki.
Ring Cap 
Nuh Uh! 
Modeling Clay 
Hollow Heart 
Kid's Drawing 
Crystal Key