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

Artorius's Head

NPC Level Zone Chance

Artorius the Amiable Elite 60 Winterspring 100%

Artorius the Doombringer Elite 60 100%
Quest Level Side

Stave of the Ancients 60 Both

NPC	Level	Zone	Chance
Artorius the Amiable Elite	60	Winterspring	100%
Artorius the Doombringer Elite	60		100%