Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Dark Rune

NPC	Level	Zone	Chance
Lady Illucia Barov Elite	60	Scholomance	48.0%
Instructor Malicia Elite	60	Scholomance	44.0%
The Ravenian Elite	60	Scholomance	44.0%
Lorekeeper Polkelt Elite	60	Scholomance	44.0%
Scholomance Necromancer Elite	58 - 59	Scholomance	15.0%
Scholomance Dark Summoner Elite	58 - 59	Scholomance	15.0%