26 transmog appearances and 1 mount, pet or toy drop in Mogu'shan Vaults.
Chestguard of Eternal Vigilance×2Plate Chest
Crown of Opportunistic Strikes×2Leather Head
Dreadeye Gaze×2Mail Head
Enameled Grips of Solemnity×2Mail Hands
Fang Kung, Spark of Titans×3Ranged
Grips of Terra Cotta×3Mail Hands
Hood of Focused Energy×3Cloth Head
Jang-xi's Devastating Legplates×2Plate Legs
Magnetized Leggings×2Leather Legs
Spaulders of the Emperor's Rage×2Plate Shoulder
Tihan, Scepter of the Sleeping Emperor×3One-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Will of the Emperor this reset.