You see a shadow fiend.
Notes
It looks like a Nightstalker.
Part of the Forgotten Knowledge Quest.
Abilities
Melee (0-?)
Life Drain missile (200-300)Damage Taken From Elements
Physical 
Death 
Holy 
Ice 
Fire 
Energy 
Earth 
Drown 
Location
Appears with Lady Tenebris, here.
Behaviour
Unknown
Strategy
Unknown
Loot
There is no loot data for this creature. Please consider subtmitting loot logs for this creature using the Loot Statistics parser.