Aurian
From Warhammer 40k - Lexicanum
Aurian is an Eldar Warlock from Craftworld Ulthwe, who led an Eldar task force on Typhon Primaris. He wears powerful Witchwar armour, and favours a Witchblade in close combat. Aurian was responsible for the destruction of a major power station on Typhon, annihilating the Imperial Guard Regiment guarding it. On another occasion, he led a warhost that destroyed a regiment led by the nephew of Typhon's governor.
Aurian was tracked down by the Blood Ravens in Greentooth Gorge. After a brief battle, he met his end at the hands of the Space Marines.[1]