Read from the World of Warcraft client build files.
How Prized Warmonger's Pants Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Prized Warmonger's Pants suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Transmog Sets
Prized Warmonger's Pants is part of the transmog set Noxious Injector Apparatus (Priest, Mage and Warlock only). The other 16 pieces:
Blizzard numbers items as they are created, so the named items next to ID 230110 (230093 to 230115) were usually added in the same batch as Prized Warmonger's Pants: the same quest line, zone, vendor or reward set.