As darkness falls each night, demons known as the corelings rise, and three young survivors of demon attacks risk everything to recover the secrets of the past to defeat the corelings and stop their relentless assault against humans.

The sun is setting on humanity. The night now belongs to voracious demons that prey upon a dwindling population forced to cower behind half-forgotten symbols of power. Legends tell of a Deliverer: a general who once bound all mankind into a single force that defeated the demons. But is the return of the Deliverer just another myth? Perhaps not. Out of the desert rides Ahmann Jardir, who has forged the desert tribes into a demon-killing army. He has...