5 transmog appearances in Zul'Gurub.
Bone Plate HandguardsPlate Hands
Plumed Medicine HelmPlate Head
Spiritbinder SpauldersMail Shoulder
Zombie Walker LegguardsMail Legs
Zulian SlasherOne-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Zanzil this reset.