Marie Korbel is one of the antagonists in Skullgirls, a fighting game set in the 1920s. Marie is a cold and calculated individual who is consumed by her obsession with her love interest, making her a true yandere. Marie's backstory is deeply tied to the Skull Heart, a powerful artifact that grants incredible power and immortality to those who possess it. However, using the Skull Heart comes with a terrible price: the user's soul is consumed by darkness and they are transformed into a Skullgirl, 