Source
The Black War Mammoth can be bought from from Knight Dameron <Wintergrasp Quartermaster>[51, 17] or Stone Guard Mukar <Wintergrasp Quartermaster>[51, 17] for 300 , depending on which faction controls Wintergrasp Fortress.
The Black War Mammoth can be bought from from Knight Dameron <Wintergrasp Quartermaster>[51, 17] or Stone Guard Mukar <Wintergrasp Quartermaster>[51, 17] for 300 , depending on which faction controls Wintergrasp Fortress.