Raven Skull is an unlockable active item in Mastema, a mod for The Binding of Isaac.

Consumes all pickups in the room and grants a small, permanent damage up for each pickup consumed.

The amount of damage gained is based on the quality of the pickups, similar to Bag of Crafting.

Chests, Sacks, and pedestal items won't be consumed.

Defeat Mother as Mastema.

Raven Skull can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Raven Skull have been documented.

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

• Check out the item description on the mod's external Wiki.
• Download Mastema from the Steam Workshop.