Sack Fossil is a trinket in Fiend Folio, a mod for The Binding of Isaac.
Grants a 10% chance to reroll any pickup spawn into a Grab Bag.
Crush Effect: Spawns a Grab Bag.
The following special synergies and interactions for Sack Fossil have been documented.
Mod | Item | Synergy |
---|---|---|
--- | Trinket multipliers | Doubles the chance. |
* Note that not all possible synergies and interactions are listed here.