This item is acquired in-game. See its sources below.
An Uncommon Plate Legs, 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 Legguards is listed as Quest. Appearance ID: 26942. 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 Legguards suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Thunderpeak Legguards 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 HelmEttinbone Legplates
Ettinbone Pauldrons
Ettinbone Sabatons
Ettinbone Vambraces
Nar'thalas Protector's CapeLead-Studded ChestplateThunderpeak WarbootsThunderpeak GauntletsThunderpeak FaceguardThunderpeak ShoulderguardsThunderpeak GirdleThunderpeak WristguardsBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Thunderpeak Legguards uses icon file 1117703, which 38 other items also use. The 8 closest by item ID:
Rooksguard Legguards ID 121589 · Armor - Plate · item level 44Dreadsworn Legguards ID 121510 · Armor - Plate · item level 44Nar'thalas Legguards ID 121431 · Armor - Plate · item level 44Kal'delar Legplates ID 121170 · Armor - Plate · item level 44Valarsmidd Legplates ID 121115 · Armor - Plate · item level 44Ettinbone Legplates ID 121060 · Armor - Plate · item level 44Rhut'van Legplates ID 121005 · Armor - Plate · item level 44Clacker's Clanking Clam Diggers ID 129040 · Armor - Plate · item level 44Blizzard numbers items as they are created, so the named items next to ID 121668 (121663 to 121673) were usually added in the same batch as Thunderpeak Legguards: the same quest line, zone, vendor or reward set.
Whitewater Gauntlets ID 121663 · Armor - Mail · item level 44Thunderpeak Faceguard ID 121664 · Armor - Plate · item level 44
Snowblind Cowl ID 121665 · Armor - Cloth · item level 44
Whitewater Helmet ID 121666 · Armor - Mail · item level 44
Drogstitch Hood ID 121667 · Armor - Leather · item level 44
Snowblind Legwraps ID 121669 · Armor - Cloth · item level 44
Whitewater Leggings ID 121670 · Armor - Mail · item level 44
Drogstitch Legguards ID 121671 · Armor - Leather · item level 44
Lead-Studded Robes ID 121672 · Armor - Cloth · item level 44
Drogstitch Spaulders ID 121673 · Armor - Leather · item level 44The raw ItemSparse values for item 121668 in the current client build.
Read from the World of Warcraft client build files: Item, ItemSparse, Lock, Holidays, AreaTable and CollectableSourceVendor.
TheWoWDB