Half Black Heart is an unlockable pickup in Community Remix, a mod for The Binding of Isaac.

+1 Half Black Heart.

When depleted, black hearts activate The Necronomicon effect, dealing 40 damage to all enemies in the room.

When combined with a Half Soul Heart, creates a Black Heart.

Kill Mom's Heart 5 times.

• Check out the pickup description on the mod's external Wiki.
• Download Community Remix from the Steam Workshop.