nameless king

According to the lore of his armor, soul, and weapons, a fearsome, dragon-slaying god of war and heir of lightning that sacrificed everything to ally with the Ancient Dragons, taming a stormdrake who fought with him in countless battles.

Heavily implied to be Gwyn's Firstborn: founder of the Covenant of Sunlight and master of Ornstein. In the time of the ancient lords he had his deific status revoked and his name stripped from the Annals after an unnamed incident.