Fiend Folio: ReheatedMassive Amethyst"Crystallised keepers"Trinket
Shopkeepers in Secret Rooms are replaced by giant crystals that drop the following when destroyed:
• 1-3 Rune Shards.
• 1-2 random Runes, including Soul Stones.
Unlock: Defeat Mega Satan as Golem.
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Unlockable Grants costume Has YouTube video Animated icon Favorite (?)

Note that this page shows the previous Fiend Folio version before the RELOADED update.

To access the latest update and new items, please check the Fiend Folio: RELOADED page.


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Download the Fiend Folio: Reheated mod for The Binding of Isaac