21 transmog appearances and 2 mount, pet or toy drops in Throne of the Four Winds.
Cloudburst CloakCloth Back
Gale Rouser Leggings×2Leather Legs
Lightning Well Legguards×2Mail Legs
Mistral DrapeCloth Back
Permafrost CapeCloth Back
Planetary DrapeCloth Back
Sky Strider Greaves×2Plate Legs
Soul Breath Leggings×2Cloth Legs
Star Chaser Legguards×2Mail Legs
Stormwake, the Tempest's ReachOne-Hand
Tempest Keeper Leggings×2Plate Legs
Thunder Wall Greaves×2Plate Legs
Wind Stalker Leggings×2Leather LegsSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Al'Akir this reset.