Tags: Novel.
The Sin War is a trilogy of novel series set in Blizzard Entertainment’s Diablo universe written by Richard A. Knaak. It tells the story of Uldyssian as he is drawn into the battle between the Temple of the Triune run by the Primus under Mephisto and the Cathedral of Light run by the rebel angel Inarius. Uldyssian feels that both sides are corrupt and wants nothing to do with either of them.