World of Warcraft Quests involving Zangen Stonehoof:
Silithus Alliance & Horde
Into The Maw of Madness - (Step 2) Commander Mar'alith at Cenarion Hold in Silithus wants you to find his beloved Natalia. The information that you gathered points to Hive'Regal in the south as being the area in which you may find Mistress Natalia Mar'alith.
Do not forget to visit the dwarves at Bronzebeard's camp before venturing into the hive. They might have some additional work and advice for you.
And [Name], remember the Commander's words: "Do what you must..."
Thousand Needles Horde Quest
Pacify the Centaur Kill 12 Galak Scouts, 10 Galak Wranglers, and 6 Galak Windchasers, and then return to Cliffwatcher Longhorn in Freewind Post.
Thunder Bluff Horde Quest
The Sacred Flame - (Step 1) Return a Filled Etched Phial to Zangen Stonehoof in Thunder Bluff.
The Stones That Bind Us - (Step 3) Free nine Servants of Razelikh, three Servants of Sevine, three Servants of Allistarj, and three Servants of Grol. Return to the Fallen Hero when your task is complete. You must remain within close proximity of the stones or the process will fail.