of Memory and Flame. Wardens of Estralia, #7

Vivienne Valeran died. That was supposed to be the end. Instead, she wakes beneath Atheria with no memories, dragon fire in her veins and Ravenna trying to claim her as a daughter. Vivi knows only three things: Ravenna is lying, the Nethravain want her alive and the body she's trapped in is becoming less human by the hour. On Estralia, Diego refuses to mourn her. Their bond has gone cold, but it hasn't broken.
When Vivi's fear reaches him through the mark they share, he knows she's alive. Now he'll cross into the World Below to find her. But Vivi doesn't remember him. And the longer she stays lost, the closer she comes to becoming the weapon Ravenna and the Nethravain have been waiting for.