Season 12

Arena Season 12 (Dreadful and Malevolent) is a PvP Season that started one week after the release of Mists of Pandaria. The season ended on March 5, 2013. This season includes two armor sets for each class, Dreadful Gladiator (item levels 464 for armor and 476 for weapons) and Malevolent Gladiator (item levels 489 for armor and 502 for weapons).

New this season

 * Season 12 is the first season with resilience being split into PvP power and PvP resilience.
 * It is the first season to include monks.
 * The Tol'vir Proving Grounds will be playable for the first time.
 * PvP and PvE Vendors are now in the Pandaria zones and are as of 5.1 marked on the map for your faction.
 * The two new battleground (Silvershard Mines and Temple of Kotmogu) are available as rated battlegrounds as of 5.1.

Dreadful Gladiator

 * Sold by in Kun-Lai Summit and  in Valley of the Four Winds.

Malevolent Gladiator

 * Sold by in Kun-Lai Summit and  in Valley of the Four Winds.
 * Neck, back, wrist, hands, waist, feet, finger, ring and legs drops from Sha of Anger in Kun-Lai Summit.