He was first mentioned by the Wargod, O'Brien, when Linley informed him that he was planning to go to the Anarchic Lands. He told him that he is one of the prime saints of the Yulan Plane. He is a good friend of Ernst that established the Radiant Church.
The first time we see him, is when Reynolds first arrives at the mountain village, and decides to stay there. Miller talks to him about his daughters, Monica 's, relationship to Reynolds. Desri says that he can only suggest that Reynolds train hard, or he won't even get the mother's approval.
His Divine Light Clone was killed by Ojwin's subordinate during an assault on dragon-blood castle when Ojwin set out to kill Linley to gain the support of the Baruch kingdom with the principle of "Killing the god they worshipped" . After the destruction of his divine clone it had deeply effected Desri when Linley was informed of this he paid a visit and in which gave him a demigod spark of death.