Read from the World of Warcraft client build files.
How Vile Manipulator's Robe Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Vile Manipulator's Robe suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Vile Manipulator's Robe is part of the transmog set Oblivion Cultist's Robes (Priest, Mage and Warlock only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Vile Manipulator's Robe Fits
Other Items Named Vile Manipulator's Robe
1 other item in the current build is also called Vile Manipulator's Robe. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 173458 (173453 to 173463) were usually added in the same batch as Vile Manipulator's Robe: the same quest line, zone, vendor or reward set.