PvP mount quartermasters
Mount quartermasters sell epic mounts in exchange for 30 Warsong Gulch marks of honor , 30 Arathi Basin marks of honor and 30 Alterac Vally marks of honor.
Alliance
Lieutenant Karter is the Alliance mount quartermaster, she is located in Champion's Hall in the Human capital of Stormwind .
Horde
Raider Bork is the Horde mount quartermaster, he is located in Hall of Legends, in the Orc capital of Orgrimmar .