This set is sold by the following vendors:
Alliance: Arcanist Asarina in Icecrown
Alliance: Arcanist Miluria in Dalaran
Horde: Magistrix Iruvia in Icecrown
Horde: Magistrix Vesara in Dalaran.
The legs and hands armor also drops from Emalon the Storm Watcher in the 25-man version and Koralon the Flame Watcher in the 10-man version of Vault of Archavon.
Furious Gladiator's Desecration is the Arena Season 6 Furious Death knight set. It contains 5 pieces. Has set bonuses at 2 and 4 pieces.
Furious Gladiator's Dreadplate Chestpiece
Furious Gladiator's Dreadplate Gauntlets
Furious Gladiator's Dreadplate Helm
Furious Gladiator's Dreadplate Legguards
Furious Gladiator's Dreadplate Shoulders
Wearing more pieces of this set will convey bonuses to your character:
2 pieces: +50 Resilience Rating..
4 pieces: Whenever you are struck by a movement-impairing effect you will generate 15 runic power over 5 sec.
Here you can buy Season 6 Death knight Furious Gladiator's Desecration for EU or US Servers.
You'll get guide for getting Season 6 Death knight Furious Gladiator's Desecration