The Godless War: Before God, There was her.

Everleigh walked out of Eden and never bowed again. Now living as Evelyn Rowan, she hides among mortals—until a boy with fire beneath his skin awakens the past she buried. Christian Hale is her lost soul reborn, and their reunion ignites a war between gods and men. As storms rise and Adam returns in human form, love and divinity collide. To save the world and the unborn child of fire and soil, Everleigh must face the god she once defied—and the ending she's always feared.
The Godless War is ...