Demonic Relic

What drops it

 * Arm of Insanity
 * Blade of Corruption
 * Herald of Nightmares
 * Rain of Terror
 * Scythe of Chaos (Dervish)
 * Shadow of Fear
 * Spear of Torment
 * Word of Madness
 * Torment Claw
 * Harbinger of Nightfall
 * Harbinger of Twilight

Locations

 * Domain of Fear
 * From Gate of Fear, clear the the field with heroes and henchman.

Dämonisches Relikt