WoW Transmog — Browse All Transmog Sets
Browse all 3,100+ World of Warcraft transmog appearance sets. Filter by expansion, armor type (Cloth, Leather, Mail, Plate, Cosmetic), and PvP sets. Track your wardrobe completion across all expansions.
Browse transmog sets from raids, dungeons, PvP, and quests across all expansions. Filter by armor type (plate, mail, leather, cloth) and source. Track which appearances you own and which you still need via Battle.net sync.
Hateful Gladiator's Plate Armor
Plate set. PvP set. It's all S5. Just there's 3 different sets per season now it seems.
Hateful Gladiator's Plate Armor is a Season 5 PvP transmog set obtainable through Honor Points, Emblems of Valor, or raid drops.
Purchase from PvP vendor
Visit the PvP vendor in Stormwind and purchase the Hateful Gladiator's Plate Armor set for 
49,600 Honor Points.
Earn Emblems of Valor
Run Heroic Naxxramas to collect Emblems of Valor, then purchase the set from Arcanist Adurin or Magister Brasael in Dalaran. You can earn approximately 24 Valor badges per reset by defeating all 15 bosses in Naxxramas plus the bonus from Kelthuzad, Sartharion with drakes, Malygos, and Archavon.
Collect from raid drops
Enter Vault of Archavon at 49.3, 16.8 and defeat Archavon the Stone Watcher, or run other Season 5 raids for set piece drops.
Tips
Earning 24 Valor badges per reset takes approximately two weeks to accumulate the full set cost if you can defeat all available raid bosses each week.