She woke up in Azriel's torture chamber with no memory of who she is or how she ended up there. He tells her she's there because she deserves to be there. Who do we become when we lose ourselves? (Throne of glass mentions and tie-ins)

He was the darkness. She was the star who lit it up. In which the shadowsinger of the Night Court falls for his High Lord's long lost sister. "He was like a breath of fresh air after being held underwater for eternity." - "She was his punishment for every bad thing he had ever done. For no one could make him bleed the way she did." - Azriel x oc story