King of Spades is a consumable in Fiend Folio, a mod for The Binding of Isaac.

+1 Key.

For the remainder of the room, Isaac's tears are replaced with Sharp Key tears that consume a key upon shooting, but drop a key when they land.

If Isaac has no keys, he will fire regular tears.

The following special synergies and interactions for King of Spades have been documented.

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

The following sounds are related to this consumable.

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