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Thunder Egg trinket
Thunder Egg is a trinket in Fiend Folio, a mod for The Binding of Isaac.
Description
-0.1 speed.
Has a chance to crack open into a Rare (80%) or Fiendish (20%) rock trinket, and then disappear.
The chance to crack starts at 7.14% and increases with each room cleared, up to 50% with 15 rooms cleared.
Special synergies
The following special synergies and interactions for Thunder Egg have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | Each room cleared counts as having cleared 2, and the trinket spawned from the egg is guaranteed to be of Fiendish quality. |
* 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.
Henge Rock 
Salt Lamp 
Molten Slag 
Unobtainium 
Sandstone 
Fake Rock