This item is acquired in-game. See its sources below.
A Rare Leather Shoulder, item level 44, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Thorignir Striker Shoulderguards is listed as Quest. Appearance ID: 26590. 7 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, Thorignir Striker Shoulderguards suits Assassination, Outlaw and Subtlety Rogue; Brewmaster, Mistweaver and Windwalker Monk; Balance, Feral, Guardian and Restoration Druid; Havoc, Vengeance and Devourer Demon Hunter.
Thorignir Striker Shoulderguards is part of the transmog set Haustvelt Leathers (Rogue, Monk, Druid and Demon Hunter only). The other 16 pieces:
Haustvelt Bindings
Haustvelt Boots
Haustvelt Britches
Haustvelt Gloves
Haustvelt Hood
Haustvelt JerkinHaustvelt Shoulders
Haustvelt WaistbandDuskbat Exterminator's TreadsRunesworn CrownRunesworn BreechesHumming Stormwing WrapMatriarch-Hide LegguardsEbon Stalker's BootsBoomer's Utility BeltRunesworn ArmbandsBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Thorignir Striker Shoulderguards uses icon file 1115108, which 43 other items also use. The 8 closest by item ID:
Ruin-Stalker Spaulders ID 121436 · Armor - Leather · item level 44Sablehide Shoulders ID 121594 · Armor - Leather · item level 44Drogstitch Spaulders ID 121673 · Armor - Leather · item level 44Smolderhide Shoulders ID 121188 · Armor - Leather · item level 44Haustvelt Shoulders ID 121133 · Armor - Leather · item level 44Icepine Shoulders ID 121078 · Armor - Leather · item level 44Llothien Shoulders ID 121023 · Armor - Leather · item level 44Nar'thalas Guard Mantle ID 129066 · Armor - Leather · item level 44Blizzard numbers items as they are created, so the named items next to ID 121515 (121509 to 121520) were usually added in the same batch as Thorignir Striker Shoulderguards: the same quest line, zone, vendor or reward set.
Runesworn Crown ID 121509 · Armor - Leather · item level 44
Dreadsworn Legguards ID 121510 · Armor - Plate · item level 44
Runespeaker's Leggings ID 121511 · Armor - Cloth · item level 44
Stormborn Leggings ID 121512 · Armor - Mail · item level 44Runesworn Breeches ID 121513 · Armor - Leather · item level 44
Thorignir Heavy Pauldrons ID 121516 · Armor - Plate · item level 44
Thorignir Punisher Spaulders ID 121517 · Armor - Cloth · item level 44
Thorignir Javelin Mantle ID 121518 · Armor - Mail · item level 44
Reinforced Stormwing Waistguard ID 121519 · Armor - Plate · item level 44
Electrified Stormwing Cord ID 121520 · Armor - Cloth · item level 44The raw ItemSparse values for item 121515 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB