Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Glory Seeker's Helm Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Glory Seeker's 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 10 items nearest to Glory Seeker's Helm (item level 50) in item level among Armor > Leather, Head slot, from item level 39 to 60.
Blizzard numbers items as they are created, so the named items next to ID 139281 (139276 to 139286) were usually added in the same batch as Glory Seeker's Helm: the same quest line, zone, vendor or reward set.
Sixtriggers' KeyID 139276 · Quest"Used to unlock the Sixtrigger brothers' most prized loot."
Albino BarracudaID 139279 · Quest · item level 40"These cave-dwelling fish have never seen the light of day. And those who hunt them usually never see the..."