This item is acquired in-game. See its sources below.
Appearance IDs: 80426, 80459. 3 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, Obsidian Gladiator's Plate Legguards suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Obsidian Gladiator's Plate Legguards is part of the transmog set Obsidian Gladiator's Plate Armor (Death Knight only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Lingering Phantom's ShoulderplatesLingering Phantom's Schynbalds
Lingering Phantom's Dreadhorns
Lingering Phantom's Gauntlets
Lingering Phantom's PlackartObsidian Gladiator's Plate ChestguardObsidian Gladiator's Plate Chestplate
Obsidian Gladiator's Plate WarbootsObsidian Gladiator's Plate StompersObsidian Gladiator's Plate GauntletsObsidian Gladiator's Plate HandguardsObsidian Gladiator's Plate HelmObsidian Gladiator's Plate HelmetObsidian Gladiator's Plate WargreavesObsidian Gladiator's Plate ShouldersObsidian Gladiator's Plate PauldronsBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Obsidian Gladiator's Plate Legguards is not traded on the Auction House, so it has no live market price. It is acquired in-game from the sources listed above. This page collects its first-party game data (identity, effects and where it comes from) from the official World of Warcraft client build.
TheWoWDB