17 transmog appearances in Siege of Orgrimmar.
Black-Blooded DrapeCloth Back
Blood Rage BracersPlate Wrist
Boots of Perilous InfusionLeather Feet
Bracers of Averted FatalityLeather Wrist
Ebon Blood ChestguardMail Chest
Halberd of Inner ShadowsTwo-Hand
Hood of Perpetual ImplosionCloth Head
Kor'kron Hand CannonRanged
Lazahk's Lost ShadowrapLeather Chest
Legplates of Willful DoomPlate Legs
Malkorok's Giant StompersPlate Feet
Malkorok's SkullcleaverOne-Hand
Miasmic SkullbeltCloth Waist
Robes of Riven DreamsCloth Chest
Terrorguard ChestplatePlate Chest
Visage of the MonstrousShield
Wristguards of RuinationMail WristSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Malkorok this reset.