The illegitimate daughter of undead pirate Cervantes de Leon, Ivy was raised by a noble family until her father became obsessed with the cursed sword, Soul Edge, leading to his death and later her mother's. Desiring to destroy the sword, she creates a segmented, animated blade, only to become Soul Edge's pawn and learn that it intends to use her as its next host. After an attack by Cervantes results in the loss of her soul, Ivy uses a temporary artificial one to keep herself alive, and continues after the blade.