Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Liquid-Cooled Mantle Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Liquid-Cooled Mantle suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Liquid-Cooled Mantle is part of the transmog set Felfume Raiment (Priest, Mage and Warlock only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 128053 (128048 to 128058) were usually added in the same batch as Liquid-Cooled Mantle: the same quest line, zone, vendor or reward set.