13 transmog appearances across 3 bosses.
Cold Iron PickTwo-Hand
Corpse RompersCloth Feet
Hogger's TrousersLeather LegsStolen Jailer's GreavesMail Legs
Turnkey's PauldronsPlate Shoulder
Cinderstitch TunicLeather Chest
Fire-Hardened ShacklesMail Wrist
Girdle of NobilityCloth WaistSilk-Threaded TrousersCloth Legs
Skeletal GauntletsPlate Hands
Cast Iron WaistplatePlate Waist
Noble's RobeCloth Chest
Standard Issue Prisoner ShoesLeather FeetStolen Guards Chain BootsMail Feet
Wicked DaggerOne-HandSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot each boss this reset.