Nightmare Nightmare
(2700 Hit Points, 2150 Experience)
Location: Pits of Inferno, Formorgar Mines, Cemetery Quarter, Edron (In multiple places during The Inquisition Quest), Alchemist Quarter, Vengoth Castle, Deeper Banuta (small spawn, here), Krailos.
Abilities: Melee (0-150), Sudden Death (120-170), Poison Ball (150-500), Self Healing (60-100), Haste.
Immune to: Death, Earth, Life Drain
Strong against: Fire (-20%), Energy (-20%), Ice (-10%)
Weak against: Holy (+25%)
Field Notes: Creature added in the Christmas 2006 update. Often hunted for Death Rings and Demonic Essences, since it's one of weakest monsters that can provide such items. It is good to take caution while hunting these creatures, as they can combo hard and do so unexpectedly.
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You may hunt 400 Nightmare and Nightmare Scion combined as a task of the Killing in the Name of... Quest. Upon completion of the task you will face Tormentor.
Spoiler ends here.