4 transmog appearances in Mogu'shan Palace.
Claws of GekkanOne-Hand
Cloak of Cleansing FlameCloth Back
Glintrok SolleretsPlate Feet
Hexxer's Lethargic GlovesMail HandsSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Gekkan this reset.