This item is acquired in-game. See its sources below.
An Uncommon Leather Chest, item level 400, requires level 70, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, United Arathi's Jerkin is listed as Quest. Appearance ID: 91186. 5 other items wear the same appearance:
Read from the World of Warcraft client build files.
Leather is the armor type Demon Hunter, Druid, Monk and Rogue wear. With Agility or Intellect, United Arathi's Jerkin suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Built from the World of Warcraft client build files and recorded Auction House snapshots.
United Arathi's Jerkin uses icon file 5762013, which 15 other items also use. The 8 closest by item ID:
Timely Tourist's Vest ID 226084 · Armor - Leather · item level 400General's Pungent Armor ID 225538 · Armor - Leather · item level 400Treasure-Seeker's Vest ID 225395 · Armor - LeatherUnderscout's Jerkin ID 224606 · Armor - Leather · item level 545Vinewrapped Leather Tunic ID 223927 · Armor - Leather · item level 437Nerubian Weaver's Vest ID 223381 · Armor - Leather · item level 437Warphorn's Resilient Vest ID 223344 · Armor - Leather · item level 437Unseen Cutthroat's Tunic ID 221208 · Armor - Leather · item level 437Blizzard numbers items as they are created, so the named items next to ID 228436 (228429 to 228441) were usually added in the same batch as United Arathi's Jerkin: the same quest line, zone, vendor or reward set.
Reflective Rock ID 228429 · Miscellaneous "You see yourself."Mucky Rock ID 228430 · Miscellaneous "More like Yucky Rock."Rock Buddy ID 228431 · Miscellaneous "A truly unique and special friend."
Stew-Stained Cape ID 228434 · Armor - Cloth · item level 400
Wine-Dyed Leggings ID 228435 · Armor - Cloth · item level 400
Salamanther-Scale Greaves ID 228437 · Armor - Mail · item level 400
Derill's Unused Visor ID 228438 · Armor - Plate · item level 400
Mitts of Menial Tasks ID 228439 · Armor - Cloth · item level 400
Chitin-Laced Shoulderguards ID 228440 · Armor - Leather · item level 400
Overseer's Oversized Clasp ID 228441 · Armor - Mail · item level 400The raw ItemSparse values for item 228436 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB