Black Key is an active item in Pail O Items, a mod for The Binding of Isaac.

Turns all pickups in the room into regular Keys.

Black Key is replaced with Black Gun.

Black Key can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Black Key have been documented.

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

• Download Pail O Items from the Steam Workshop.