Regreb the Slayer

Regreb the Slayer, Warlord of the Fallen, is a unique Fallen Overseer found in the Stinging Winds in of Diablo III, added in patch 2.4.1.

He is a rare spawn, but if he spawns, he is guaranteed to drop King Maker upon death.

In combat, he has Frozen Pulse and Poison Enchanted affixes.