Defying Fate (The Descent Series) (Volume 6)

Elise Kavanagh has exorcised demons, slain gods, and come back from the dead. And she's done it all with the help of James Faulkner: a powerful witch, and the only person Elise has ever loved or trusted. But now the worst has happened. The Treaty protecting humanity from war between angels and demons has fallen. Elise has been taken by her greatest enemy. And James may be responsible for all of it...