11 transmog appearances in Trial of the Champion.
Belt of Fierce CompetitionLeather Waist
Binding of the Tranquil GladeLeather Waist
Bindings of the WickedCloth Wrist
Chestguard of the Ravenous FiendMail Chest
Edge of RuinTwo-Hand
Helm of the Bested GallantPlate Head
Leggings of the Snowy BrambleLeather Legs
Legguards of Abandoned FealtyPlate Legs
Pauldrons of the Deafening GaleMail Shoulder
Scale Boots of the OutlanderMail Feet
Treads of Dismal FortuneLeather FeetSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Grand Champions this reset.