Negos is a dark and sinister individual. He likes to lurk in the shadows and stalk his target. He is bound to the elemental plane of Shadow, and looks like a black-skinned Goblin.
Negos is loyal to Imbross, and with Zul'Nec-ro rules the Undead armies while Imbross is gone. Negos himself also rules the Dark Riders.
See: Negos, Dark Riders, Order of the Liches