Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Dark Mistress' Cuffs Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Dark Mistress' Cuffs suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Dark Mistress' Cuffs is part of the transmog set Raiment of Night Eternal (Priest, Mage and Warlock only). The other 15 pieces:
Blizzard numbers items as they are created, so the named items next to ID 144475 (144470 to 144480) were usually added in the same batch as Dark Mistress' Cuffs: the same quest line, zone, vendor or reward set.