Arena Battlemaster
This NPC can be found in Undercity (3), Silvermoon City (2), Eversong Woods (2), Tirisfal Glades (1), Thunder Bluff (2), Mulgore (4), Durotar (3), Dun Morogh (5), Ironforge (1), Stormwind City (2), Elwynn Forest (2), Azuremyst Isle (4), The Exodar (1), Darnassus (2) and Teldrassil (3).