This item is acquired in-game. See its sources below.
An Uncommon Plate Wrist, item level 44, binds when picked up.
First seen in build 12.0.7.68887 (Midnight (patch 12.0.7)).
In the Appearances collection, Thunderpeak Bracers is listed as Quest. Appearance ID: 26944. 5 other items wear the same appearance:
Read from the World of Warcraft client build files.
Plate is the armor type Death Knight, Paladin and Warrior wear. With Strength or Intellect, Thunderpeak Bracers suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Thunderpeak Bracers is part of the transmog set Thunderpeak Boneguards (Warrior, Paladin and Death Knight only). The other 16 pieces:
Ettinbone Breastplate
Ettinbone Gauntlets
Ettinbone Girdle
Ettinbone Helm
Ettinbone Legplates
Ettinbone Pauldrons
Ettinbone SabatonsEttinbone Vambraces
Nar'thalas Protector's CapeLead-Studded ChestplateThunderpeak WarbootsThunderpeak GauntletsThunderpeak FaceguardThunderpeak LegguardsThunderpeak ShoulderguardsThunderpeak GirdleBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Thunderpeak Bracers uses icon file 1117699, which 37 other items also use. The 8 closest by item ID:
Sweat-Swollen Wristplates ID 130316 · Armor - Plate · item level 44Armplates of Unrelenting Anguish ID 130019 · Armor - Plate · item level 44Dreadsworn Wristguards ID 129338 · Armor - Plate · item level 44Greywatch Vambraces ID 129257 · Armor - Plate · item level 44Dreadsworn Armplates ID 129226 · Armor - Plate · item level 44The Subjugator's Shackles ID 132359 · Armor - Plate · item level 44Nar'thalas Bracers ID 132907 · Armor - Plate · item level 44Wine-Resistant Bracers ID 132965 · Armor - Plate · item level 44Blizzard numbers items as they are created, so the named items next to ID 130290 (130285 to 130295) were usually added in the same batch as Thunderpeak Bracers: the same quest line, zone, vendor or reward set.
Whitewater Chestwrap ID 130285 · Armor - Mail · item level 44Thunderpeak Breastplate ID 130286 · Armor - Plate · item level 44
Snowblind Bracers ID 130287 · Armor - Cloth · item level 44
Drogstitch Wristwraps ID 130288 · Armor - Leather · item level 44
Whitewater Wristguards ID 130289 · Armor - Mail · item level 44
Snowblind Gloves ID 130291 · Armor - Cloth · item level 44
Drogstitch Grips ID 130292 · Armor - Leather · item level 44
Whitewater Gloves ID 130293 · Armor - Mail · item level 44Thunderpeak Handguards ID 130294 · Armor - Plate · item level 44
Deep Squatter's Sash ID 130295 · Armor - Cloth · item level 44The raw ItemSparse values for item 130290 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB