Archangel's Prophecy

In Archangel's Prophecy, a bestselling novel by Nalini Singh, Elena Deveraux is an immortal with unique wings whose powers are fading. She is at risk of becoming mortal and vulnerable to attack. Elena and her archangel consort Raphael must find out why her powers are failing and fight against violent forces gathering in New York and beyond. But as they struggle for survival, Elena hears a haunting voice in her mind that threatens everything they hold dear.