Uldren Sov is an Awoken Guardian and the brother of Mara Sov, the deceased Queen of the Reef. … He is responsible for the death of Cayde-6. After his death at the hands of The Guardian and Petra Venj, Uldren Sov was resurrected as a Guardian in the final cutscene for Black Armory by the Ghost known as “Pulled Pork”
