A Court of Thorns and Roses · Chapter 45
Feyre Dies and is Resurrected
After Feyre whispers the answer to Amarantha's riddle (love), Amarantha snaps her spine, killing her. The seven High Lords each bestow a spark of their power upon Feyre's body, resurrecting her as an immortal High Fae.
Outcome
Feyre is transformed into High Fae with powers from all seven courts. Tamlin kills Amarantha, ending her reign of terror.