Tyrannical Gladiator's Felshroud is the Season 13 Warlock arena set. This set is sold by the following vendors for 10,250 Honor Points:
Horde: Lok'nor Bloodfist in Kun-Lai Summit
Alliance: Hayden Christophen in Valley of the Four Winds. The legs and hands armor also drops from Nalak. This set contains 5 pieces. Has set bonuses at 2 and 4 pieces.
Tyrannical Gladiator's Felweave Handguards
Tyrannical Gladiator's Felweave Cowl
Tyrannical Gladiator's Felweave Trousers
Tyrannical Gladiator's Felweave Raiment
Tyrannical Gladiator's Felweave Amice
Wearing more pieces of this set will convey bonuses to your character:
2 pieces: Increases all damage you deal by 4%.
4 pieces: Your allies can use your Demonic Gateway again 15 sec sooner.
By obtaining parts of this set you'll increase your stats and be more powerful
Here you can buy Season 13 Warlock Tyrannical Gladiator's Felshroud for EU or US Servers.
You'll get guide for getting Season 13 Warlock Tyrannical Gladiator's Felshroud