Read from the World of Warcraft client build files.
How Obsidian Gladiator's Leather Helm Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Obsidian Gladiator's Leather Helm suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Similar Items
The 2 items nearest to Obsidian Gladiator's Leather Helm (item level 408) in item level among Armor > Leather, Head slot, from item level 330 to 400.
Obsidian Gladiator's Leather Helm is part of the transmog set Obsidian Gladiator's Leather Armor (Rogue 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 Obsidian Gladiator's Leather Helm Fits
Other Items Named Obsidian Gladiator's Leather Helm
3 other items in the current build are also called Obsidian Gladiator's Leather Helm. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Items Numbered Next to Obsidian Gladiator's Leather Helm
Blizzard numbers items as they are created, so the named items next to ID 205575 (205570 to 205580) were usually added in the same batch as Obsidian Gladiator's Leather Helm: the same quest line, zone, vendor or reward set.