Read from the World of Warcraft client build files (JournalEncounterItem, JournalEncounterCreature, Achievement) and the Blizzard Game Data quest API.
How Poisonblood Bladeshoulders Compares
Who It Suits
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, Poisonblood Bladeshoulders 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
Poisonblood Bladeshoulders is part of the transmog set Nine-Tail Battlegear (Rogue only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Poisonblood Bladeshoulders Fits
Other Items Named Poisonblood Bladeshoulders
4 other items in the current build are also called Poisonblood Bladeshoulders. 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 94791 (94786 to 94796) were usually added in the same batch as Poisonblood Bladeshoulders: the same quest line, zone, vendor or reward set.