Ore Penny is a trinket in Fiend Folio, a mod for The Binding of Isaac.

3% chance to replace rocks with Fool's Gold rocks upon entering a room.

Picking up coins has a chance to give +1 cent. The chance scales with the coin's value and is calculated as: 1 - 0.5 ^ CoinValue, meaning that a Penny has 50% chance to yield +1 cent.

Will always replace Counterfeit Penny when playing as Golem.

The following special synergies and interactions for Ore Penny 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.