FeugenLevel 83 BossSideHostileTypeUndeadHealth836,700Damage861–2,584Immune toCharm, Disorient, Distract, Flee, Knockout, Bandage, Polymorph, Banish, Shield, Shackle, Mount, Horror, Invulnerability, Daze, Sapped, Enraged, Stun, SilenceLocationsMapAreaCoordsSpawnsNaxxramasNaxxramas25, 71Other versionsFeugen (1) (Heroic)