Black Heart is a woman with cyan eyed and long pure white hair. She wears a black and white skin tight suit  with a mechanical motif. It also exposes a mild amount of her cleavage. Her sleeves are pure black, with silver patches in the bicep and triceps area, her gauntlets are black with silver protrusions on the knuckle. Black Heart is a tsundere. She is a girl who thinks highly of herself and strives to be number one in everything she does. She's the Goddess of Lastation.