Crow Heart

Crow Heart is an unlockable trinket added in The Binding of Isaac: Afterbirth †.

Effect

 * Red Heart damage will be taken before Soul Heart, Black Heart, and Rotten Heart damage.
 * With Bone Hearts, Red Hearts contained within the Bone Hearts will be taken before regular Red Heart damage, but the Bone Hearts will not be fully depleted.
 * If Isaac only has half a Red Heart left, Soul and Black Heart damage will be taken, and Bone Hearts can be destroyed.