Heaven cast him out. Hell seeks his soul.
Earth is his holy ground.

Humanity walks in dark ignorance, blind to the spiritual principalities warring in the shadow of their cities. Kael is not. Once a warrior of light who fell beside the Son of the Morning, he now wanders the earth in heavy silence, bound by a solemn oath to hunt the darkness.
When an ancient cosmic Gate fractures over Manhattan, an unholy anomaly slips into the mortal realm. Driven by divine decree, Kael must seal the breach before Archangel Michael’s flaming sword sweeps the earth—and before Lucifer, rising from his throne for the first time since Calvary, reclaims the world of men for the abyss.