Read from the World of Warcraft client build files.
How Demonic Gladiator's Leather Tunic Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Demonic Gladiator's Leather Tunic suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Transmog Sets
Demonic Gladiator's Leather Tunic is part of the transmog set Fierce Gladiator's Leather Armor (Rogue only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Demonic Gladiator's Leather Tunic Fits
Other Items Named Demonic Gladiator's Leather Tunic
3 other items in the current build are also called Demonic Gladiator's Leather Tunic. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Demonic Gladiator's Leather Tunic
Blizzard numbers items as they are created, so the named items next to ID 149304 (149299 to 149309) were usually added in the same batch as Demonic Gladiator's Leather Tunic: the same quest line, zone, vendor or reward set.