26 transmog appearances and 2 mount, pet or toy drops across 1 boss.
Arcanic TramplersCloth Feet
Barricade of EternityShield
Black IceTwo-Hand
Blanketing Robes of SnowCloth Chest
Blue Aspect HelmMail Head
Boots of Healing EnergiesPlate Feet
Boots of the Renewed FlightMail Feet
Chestguard of the RecluseLeather Chest
Elevated Lair PauldronsPlate Shoulder
Focusing Energy EpauletsPlate Shoulder
Footsteps of MalygosLeather Feet
Frosted Adroit HandguardsLeather HandsGown of the Spell-WeaverCloth Chest
Greatstaff of the NexusTwo-Hand
HailstormOne-Hand
Hood of RationalityCloth Head
Ice Spire ScepterOne-Hand
Leash of Heedless MagicCloth Waist
Leggings of the Wanton SpellcasterCloth Legs
Legplates of SovereigntyPlate Legs
Mantle of DisseminationCloth Shoulder
Melancholy SabatonsPlate FeetSpaulders of CatatoniaLeather Shoulder
Tunic of the Artifact GuardianMail Chest
Unravelling Strands of SanityLeather Waist
Winter Spectacle GlovesMail HandsSign 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.