Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Helm of the Blind Seer Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Helm of the Blind Seer 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
Helm of the Blind Seer is part of the transmog set Stormrider's Vestments (Druid only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Helm of the Blind Seer Fits
Other Items Named Helm of the Blind Seer
1 other item in the current build is also called Helm of the Blind Seer. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 65066 (65061 to 65071) were usually added in the same batch as Helm of the Blind Seer: the same quest line, zone, vendor or reward set.