Sand Castle is a trinket in Fiend Folio, a mod for The Binding of Isaac.

Blocks 3 hits of damage, with each hit degrading the trinket's stage by one.

The third hit will transform the trinket into Pocket Sand.

The following special synergies and interactions for Sand Castle have been documented.

* Note that not all possible synergies and interactions are listed here.

• Check out the trinket description on the mod's external Wiki.
• Download Fiend Folio from the Steam Workshop.