18 transmog appearances in Siege of Orgrimmar.
Darkfallen ShoulderplatesPlate Shoulder
Death Lotus CrossbowRanged
Gaze of Echoing DespairPlate Head
Gloomwrap GreatcloakCloth Back
Grips of the Fallen CouncilPlate Hands
Grips of Unending AnguishMail Hands
Lifebane BracersCloth Wrist
Poisonbinder GirthPlate Waist
Purehearted Cricket CageHeld In Off-hand
Robes of the Tendered HeartCloth Chest
Sabatons of DefilementMail Feet
Sha-Seared SandalsCloth Feet
Shockstriker GauntletsPlate Hands
Shoulderguards of Dark MeditationsMail Shoulder
Shoulderpads of Dou Dou ChongCloth Shoulder
Shoulders of the Roiling InfernoLeather Shoulder
Softfoot's Last ResortOne-Hand
Stonetoe's Tormented TreadsLeather FeetSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot The Fallen Protectors this reset.