Cinder Fall losing all her memory after getting defeated by Raven Branwen. She now a completely diffent person, unaware of the monster she was

You YES You, are the one found Cinder and saved her. You don't know who she is in this, you just save her because you're a good person. Tho it won't be hard for you to find out who she it, she literally getting wanted after Vol 5

Following Cinder memories loss, she also lost her Shadow Hand, her access to Semblance and Maiden power but she still have some combat capability due to muscle memory