Read from the World of Warcraft client build files.
How Forged Gladiator's Silk Tunic Compares
Who It Suits
Cloth is the armor type Mage, Priest and Warlock wear. With Intellect, Forged Gladiator's Silk Tunic suits Discipline, Holy and Shadow Priest; Arcane, Fire and Frost Mage; Affliction, Demonology and Destruction Warlock.
Similar Items
The 4 items nearest to Forged Gladiator's Silk Tunic (item level 584) in item level among Armor > Cloth, Chest slot, from item level 447 to 610.
Forged Gladiator's Silk Tunic is part of the transmog set Forged Gladiator's Silk Armor (Mage only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Items Numbered Next to Forged Gladiator's Silk Tunic
Blizzard numbers items as they are created, so the named items next to ID 218460 (218455 to 218465) were usually added in the same batch as Forged Gladiator's Silk Tunic: the same quest line, zone, vendor or reward set.
Conduit of the Southern StormID 218455 · Quest"This ancient obelisk looks to have been carved from a piece of storm-charged glass or crystal."