This item is acquired in-game. See its sources below.
In the Appearances collection, Venomous Gladiator's Plate Helmet is listed as Vendor / Achievement. Appearance IDs: 131841, 131890, 131888, 131850. 1 other item wears 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, Venomous Gladiator's Plate Helmet suits Arms, Fury and Protection Warrior; Holy, Protection and Retribution Paladin; Blood, Frost and Unholy Death Knight.
Venomous Gladiator's Plate Helmet is part of the transmog set Venomous Gladiator's Plate Armor (Death Knight only), which the Appearances collection lists in 3 versions. The other 16 pieces:
Venomous Gladiator's CloakVenomous Gladiator's DrapeVenomous Gladiator's Shawl
Venomous Gladiator's ChestguardVenomous Gladiator's Chestplate
Venomous Gladiator's Plate WarbootsVenomous Gladiator's Plate Stompers
Venomous Gladiator's Plate GauntletsVenomous Gladiator's Plate HandguardsVenomous Gladiator's Plate Helm
Venomous Gladiator's Plate LegguardsVenomous Gladiator's Plate Wargreaves
Venomous Gladiator's Plate ShouldersVenomous Gladiator's Plate Pauldrons
Venomous Gladiator's Plate GirdleVenomous Gladiator's Plate GreatbeltVenomous Gladiator's Plate Helmet is part of the transmog set [DNT] 12.1 Mythic VFX Unlock - All Items. The other 16 pieces:
Venomous Gladiator's Silk HatVenomous Gladiator's Silk Cap
Venomous Gladiator's Silk MantleVenomous Gladiator's Silk Amice
Venomous Gladiator's Silk HoodVenomous Gladiator's Silk Guise
Venomous Gladiator's Silk MantleVenomous Gladiator's Silk Amice
Venomous Gladiator's Silk HoodVenomous Gladiator's Silk Guise
Venomous Gladiator's Silk MantleVenomous Gladiator's Silk Amice
Venomous Gladiator's Leather BootsVenomous Gladiator's Leather Treads
Venomous Gladiator's Leather SpauldersVenomous Gladiator's Leather ShoulderpadsBuilt from the World of Warcraft client build files and recorded Auction House snapshots.
Venomous Gladiator's Plate Helmet 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.
Tracked changes to Venomous Gladiator's Plate Helmet between game data builds, newest first.
TheWoWDB