"The leader of the Necromancers is known as...the Deathspeaker. Three guesses what he likes to talk about."— Xul(src)
Deathspeaker Jurdann was the leader of the Priests of Rathma during the End of Days. He was killed when the Reapers attacked the Necropolis. His death left the priesthood leaderless, though the spirit of Ordan bid that his former student take up the mantle of deathspeaker.