over a hundred years ago , nerea deeply betrayed her lover in unforgiveable ways. her lover , in turn , cast a curse upon her to walk the earth forever , stealing from those she tried to be human with. the moment the vulnerability was presented to her , nerea was compelled to steal their face. through an absorption process , she could steal their features right off their skull , leaving a blank , fleshy expanse in its space. the unfortunate victim , left with no eyes , nor nose or mouth , quickly suffocated to death. everyone she attempted to love after that day died the same way ― clawing at their face , making muffled sounds and thrashing about. over time , the loss turned her to a state of indifference. until she began preying on those who presented their vulnerability. she functions as a serial killer of sorts , holding a massive repertoire of faces that she can interchange with her own at will.