Revelation (Rai-kirah Series #2)

Seyonne, the slave-turned-hero from "Transformation", resumes the mantle of Warden, which allows him to free human souls from demonic possession. When he confronts a demon who is curious about humans, and does not destroy it, Seyonne's Ezzarian elders exile him. Now he must uncover the truth about the real relationship between the demons and the Ezzarians.