10 transmog appearances in Hour of Twilight.
Betrayer's PauldronsMail Shoulder
Clattering ClawOne-Hand
Desecrated ShoulderguardsLeather Shoulder
Dragonsmaw BlasterRanged
Fanged TentacleOne-Hand
Mantle of False VirtueCloth Shoulder
Pauldrons of ConvictionPlate ShoulderPauldrons of the DragonblightPlate Shoulder
Stalk of CorruptionTwo-Hand
Treachery's BiteOne-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Archbishop Benedictus this reset.