Descent: Book One of the Rephaim Series

Escaping heaven was only the beginning. Faced with the choice between fighting in a war they never wanted or betraying their maker, Fomor and his angelic companions escaped to Earth and became the Rephaim. After decades of wandering, they find a new home, and a new purpose in protecting the humans they have come to love. But evil cannot be avoided, it must be destroyed... When demonic forces bring Heaven's war to Earth, threatening to enslave humankind and create supernatural soldiers with...