This item is acquired in-game. See its sources below.
Appearance ID: 19938. 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.
Lightning Emperor's Vambraces is part of the transmog set Battlegear of the Lightning Emperor (Paladin only). The other 16 pieces:
Haunted Steel Greaves
Haunted Steel Headcover
Ionized Yojamban CarapaceArmplates of the Vanquished Abomination
Refreshing Abalone Girdle
Tortos' ShellseizersIce-Scored TreadsCrown of Potentiated BirthIceshatter Gauntlets
Legplates of Re-Emergence
Spaulders of Primordial GrowthBonemender BracersMatter-Swapped LegplatesLei Shen's Grounded CarapaceReconstructed Holy ShoulderplatesHauberk of Gleaming FireBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Lightning Emperor's Vambraces 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