Fetal Stone is a trinket in Fiend Folio, a mod for The Binding of Isaac.

Spawns a familiar that shoots rocks that deal 5 damage and have a 20% chance to confuse enemies.

The familiar shoots 0.79 times per second.

The familiar's tears have 1.8x knockback.

The following special synergies and interactions for Fetal Stone have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the trinket description on the mod's external Wiki.
• Download Fiend Folio from the Steam Workshop.