High Prophet Xerathas d'Zarnagon, originally Kernaghan Finian of the Finian Clan, is the leader of the Grey Cult in Aison and the son of Kareth d'Zarnagon and Kendra Finian. He acts as the spokesman of the Godslayer. He has been responsible for kidnapping Marcus Sarillius and Gerard Aurelac in the past and has constantly tried to get his hands on the magic blades Dawn and Dusk in order to prevent a catastrophe foreseen by the Godslayer.