Read from the World of Warcraft client build files.
How Forged Gladiator's Chestguard Compares
Who It Suits
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Forged Gladiator's Chestguard suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Transmog Sets
Forged Gladiator's Chestguard is part of the transmog set Forged Gladiator's Plate Armor (Paladin only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Forged Gladiator's Chestguard Fits
Other Items Named Forged Gladiator's Chestguard
2 other items in the current build are also called Forged Gladiator's Chestguard. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Forged Gladiator's Chestguard
Blizzard numbers items as they are created, so the named items next to ID 218669 (218664 to 218674) were usually added in the same batch as Forged Gladiator's Chestguard: the same quest line, zone, vendor or reward set.