Runic Fossil is a trinket in Fiend Folio, a mod for The Binding of Isaac.
Rerolls all non-rock-trinkets into random runes.
Using a rune spawns a Rune Shard.
Crush Effect: Spawns 4 Rune Shards.
The following special synergies and interactions for Runic Fossil have been documented.
Mod | Item | Synergy |
---|---|---|
--- | Trinket multipliers | No effect. |
* Note that not all possible synergies and interactions are listed here.