516: Nightgloom

Boss of monsters #183 (Stalker, level 56), dungeon level: 22

HP: 3600

Damage: 45-55

Magic immune; Fire resistant; Lightning immune (same as base)

Color translation: Diablo
AI type: 15 (Hidden attack type, second attack), subtype 3
Pack trigger: 3
Pack value: 0
Special sound: 0