5 transmog appearances in The Stonecore.
Cinnabar ShouldersPlate Shoulder
Crackling Geode MaceOne-Hand
Dolomite Adorned GlovesCloth Hands
Fist of Pained SensesOne-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Corborus this reset.