168 transmog appearances and 6 mount, pet or toy drops across 8 bosses.
Brackenshell Shoulderplates×3Plate Shoulder
Girdle of Shattered Stone×3Mail Waist
Hand of Morchok×3One-Hand
Mosswrought Shoulderguards×3Cloth Shoulder
Mycosynth Wristguards×3Leather Wrist
Pillarfoot Greaves×3Plate Feet
Robe of Glowing Stone×3Cloth Chest
Rockhide Bracers×3Plate Wrist
Sporebeard Gauntlets×3Mail Hands
Underdweller's Spaulders×3Leather Shoulder
Vagaries of Time×3One-Hand
Belt of Flayed Skin×3Leather Waist
Cord of the Slain Champion×3Cloth Waist
Finger of Zon'ozz×3Ranged
Graveheart Bracers×3Plate Wrist
Grotesquely Writhing Bracers×3Mail Wrist
Horrifying Horn Arbalest×3Ranged
Treads of Crushed Flesh×3Plate Feet
Experimental Specimen Slicer×3Two-Hand
Heartblood Wristplates×3Plate Wrist
Interrogator's Bloody Footpads×3Leather Feet
Mindstrainer Treads×3Mail Feet
Scalpel of Unrelenting Agony×3One-Hand
Spire of Coagulated Globules×3Two-Hand
Bracers of the Banished×3Cloth WristElectrowing Dagger×3One-Hand
Girdle of the Grotesque×3Leather Waist
Lightning Rod×3Two-Hand
Runescriven Demon Collar×3Plate Waist
Treads of Dormant Dreams×3Mail Feet
Bracers of Looming Darkness×3Mail Wrist
Dragonfracture Belt×3Plate Waist
Imperfect Specimens 27 and 28×3Mail Shoulder
Ledger of Revolting Rituals×3Held In Off-hand
Morningstar of Heroic Will×3One-Hand
Stillheart Warboots×3Plate Feet
Treads of Sordid Screams×3Leather Feet
Ataraxis, Cudgel of the Warmaster×3Two-Hand
Belt of the Beloved Companion×3Mail Waist
Blackhorn's Mighty Bulwark×3Shield
Goriona's Collar×3Plate Waist
Janglespur Jackboots×3Cloth Feet
Shadow Wing Armbands×3Leather Wrist
Timepiece of the Bronze Flight×3Shield
Visage of the Destroyer×3Two-Hand
Backbreaker Spaulders×3Plate ShoulderBelt of Shattered Elementium×3Mail Waist
Gauntlets of the Golden Thorn×3Plate Hands
Gloves of Liquid Smoke×3Cloth HandsMolten Blood Footpads×3Leather Feet
Blade of the Unmaker×3One-Hand
Gurthalak, Voice of the Deeps×3Two-Hand
Kiril, Fury of Beasts×3Two-Hand
Maw of the Dragonlord×3One-Hand
No'Kaled, the Elements of Death×3One-Hand
Rathrak, the Poisonous Mind×3One-Hand
Souldrinker×3One-Hand
Ti'tahk, the Steps of Time×3Two-Hand
Vishanka, Jaws of the Earth×3RangedSign 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.