5 transmog appearances in Zul'Gurub.
Fasc's Preserved BootsLeather Feet
Handguards of the TormentedMail Hands
Lost Bag of WhammiesHeld In Off-hand
Plunderer's GauntletsPlate Hands
Zulian Voodoo StickRangedSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Cache of Madness - Gri'lek this reset.