19 transmog appearances in Naxxramas.
Bone-Inlaid LegguardsPlate Legs
Boots of the Great ConstructMail Feet
Breastplate of Frozen PainPlate Chest
Cloak of MasteryCloth Back
Cowl of Winged FearCloth Head
Gloves of Fast ReactionsLeather Hands
Gloves of GrandeurCloth Hands
Helm of the UnsubmissivePlate Head
Helm of the Vast LegionsLeather Head
Helmet of the Inner SanctumMail Head
Leggings of SapphironCloth Legs
Legguards of the BoneyardLeather Legs
Legwraps of the Defeated DragonCloth Legs
Massive Skeletal RibcagePlate Chest
MurderOne-Hand
Noble Birthright PauldronsPlate ShoulderPlatehelm of the Great WyrmPlate Head
Shroud of the CitadelCloth Back
SympathyCloth ChestSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Sapphiron this reset.