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

Channeler's Head

NPC	Level	Zone	Chance
High Priest Venoxis Boss	??	Zul'Gurub	100%
High Priest Thekal Boss	??	Zul'Gurub	100%
High Priestess Mar'li Boss	??	Zul'Gurub	100%
High Priestess Arlokk Boss	??		100%
High Priestess Jeklik Boss	??	Zul'Gurub	100%