Empty Heart

Effects

• If Isaac has one red heart or less at the beginning of a floor, an empty heart container is added.

Notes

• As there is no special exception, this item will have no effect for characters that cannot have red hearts : (Dark Judas) Dark Judas, (???) ???, (The Lost) The Lost, (Keeper) Keeper, (The Forgotten) The Forgotten, The Soul, (Tainted Judas) Tainted Judas, (Tainted ???) Tainted ???, (Tainted Lost) Tainted Lost, (Tainted Keeper) Tainted Keeper, (Tainted Soul) Tainted Soul and (Tainted Bethany) Tainted Bethany.
• The empty heart containers will replace any other heart containers if the maximum has been reached.

Synergies

• Guppy's Paw: The heart containers granted by Empty Heart can be used by Guppy's Paw while staying at or below 1 red heart, granting massively increased survivability.
• Potato Peeler: The heart containers granted by Empty Heart can be used by Potato Peeler while staying at or below 1 red heart, granting increased damage and a Cube of Meat per floor.