Revelor

Revelor, Manslayer, is a Unique Revenant Shield Guard found in the House of Screams in of Diablo III. He spawns for an unmarked event.

In combat, he has Illusionist and Electrified affixes. When his Life drops below 50%, and every 20 seconds, several Revenant Archers and Revenant Soldiers come to his aid, crawling out of air ducts.