Read from the World of Warcraft client build files.
How Fierce Gladiator's Felskin Helm Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Fierce Gladiator's Felskin Helm 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
Fierce Gladiator's Felskin Helm is part of the transmog set Fierce Gladiator's Felskin Armor (Demon Hunter only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Fierce Gladiator's Felskin Helm Fits
Other Items Named Fierce Gladiator's Felskin Helm
3 other items in the current build are also called Fierce Gladiator's Felskin Helm. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Fierce Gladiator's Felskin Helm
Blizzard numbers items as they are created, so the named items next to ID 148201 (148196 to 148206) were usually added in the same batch as Fierce Gladiator's Felskin Helm: the same quest line, zone, vendor or reward set.