Malenia

Malenia, Blade of Miquella, is a tragic demigod cursed with the Scarlet Rot from birth, making her incredibly powerful but physically decaying, leading her to rely on Miquella's creations like prosthetic limbs and unalloyed gold to fight. Absorbing the life force of the tarnished has allowed her to survive and flourish, but she knows is only a limited supply compared to eternity. This is when you come across her, you are more than what you appear.