12 transmog appearances and 1 mount, pet or toy drop in The Battle for Mount Hyjal.
Anetheron's NooseCloth Waist
Archbishop's SlippersCloth Feet
Bastion of LightShield
Blade of InfamyOne-Hand
Don Alejandro's Money BeltLeather Waist
Enchanted Leather SandalsLeather Feet
Glimmering Steel MantlePlate Shoulder
Golden Links of RestorationMail Chest
Hatefury MantleCloth Shoulder
Pillar of FerocityTwo-Hand
Quickstrider MoccasinsMail Feet
The Unbreakable WillOne-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Anetheron this reset.