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Ribbed Rock trinket
Ribbed Rock is a trinket in Fiend Folio, a mod for The Binding of Isaac.
Description
On pickup +1 empty 
Bone Heart.
While heldItems that give Red Heart containers will instead give Bone Hearts.
Special synergies
The following special synergies and interactions for Ribbed Rock have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | An additional full Bone Heart is given when picking up Health Up items. |
* Note that not all possible synergies and interactions are listed here.
External links
- Check out the trinket description on the mod's external Wiki.
- Download Fiend Folio from the Steam Workshop.
Twin Tuffs 
Wetstone 
Stromatolite 
Fiendish Amethyst 
Sturdy Rock 
Brick Rock