Fool's Gold
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Fool's Gold is a trinket added in the initial release of Fiend Folio.
Effects
- Grants approximately a 6.67% chance for the reward after clearing the room to be replaced with a
Cursed Penny.
- The chance for a reward to be replaced is affected by Isaac's luck reaching 100% chance at 14 luck, without any
Trinket Multipliers.
- The chance for a reward to be replaced is affected by Isaac's luck reaching 100% chance at 14 luck, without any
- All
Pennies have an approximately 20% chance to be replaced with Cursed Pennies.
- The chance for coins to be replaced isn't affected by luck.
- This can transform already seen Pennies and cannot be reverted.
Notes
- Fool's Gold is whitelisted to appear while playing as
Golem, counting as a rock trinket.
Interactions
Trinket Multipliers: Each additional trinket multiplier effect increases the chance to replace room clear rewards, reaching 100% chance without needing any luck upgrades with a multiplier of 4. Chance for random coin pickups to be replaced is capped at 50% with a multiplier of 2.
Evil Sticker: Increases the chance for coin drops to be replaced with Cursed Pennies to 50%.
Evil Sticker +
Trinket Multipliers: Trinket multipliers will not increase the chance further.
Fiend /
Tainted Fiend: Fool's Gold takes priority over Fiend's and The Bastard's innate 5% chance to replace Coin drops with Cursed Pennies, and will not stack.
Azurite Spindown: Using Azurite Spindown on Fool's Gold rerolls it into
Fortune Worm.