Diablo: The Sin War 3: The Veiled Prophet

Blurb

The Veiled Prophet is a 2007 novel written by Richard A. Knaak and is the third novel in the Diablo trilogy, The Sin War. The book details the climax of the struggles over the Sanctuary, and the warring forces of the Angels, Demons, Inarius, and the edyrem, and the mage clans of Kehjan, who all have a stake in the outcome.