21 transmog appearances and 1 mount, pet or toy drop in Molten Core.
Aged Core Leather GlovesLeather Hands
Arcanist LeggingsCloth Legs
Cenarion LeggingsLeather Legs
Deep Earth SpauldersMail Shoulder
Earthfury LegguardsMail Legs
EarthshakerTwo-Hand
Eskhandar's Left ClawOne-HandEskhandar's Right ClawOne-Hand
Felheart PantsCloth Legs
Fire Runed GrimoireHeld In Off-hand
Flameguard GauntletsPlate Hands
Flamewaker LegplatesPlate Legs
Giantstalker's LeggingsMail LegsLawbringer LegplatesPlate LegsLegplates of MightPlate Legs
Magma Tempered BootsPlate Feet
Mana Igniting CordCloth WaistNightslayer PantsLeather Legs
Obsidian Edged BladeTwo-HandPants of ProphecyCloth Legs
Sabatons of the FlamewalkerMail Feet
Striker's MarkRangedSign in with Battle.net to see which of these appearances and collectibles you already have, and which of your characters can still loot Magmadar this reset.