New Battle Pets and achievement

Battle Pet collectors have something to look forward to with Patch 6.1 -- new Battle Pets wow gold farming and a new achievement are being added, according to information Wowhead has datamined from the 6.1 PTR. New Battle Pets have been added to bosses in Sunwell Plateau, Black Temple, and Hyjal Summit, and another tier has been added to the raid-collecting achievement, Raiding With Leashes III: Drinkin' From the Sunwell. A dozen new pets have been added to the raids.