Mantle of the Fiery Conqueror

Mantle of the Fiery Conqueror was a tier 12 armor token. Prior to patch 6.0.2, it could be exchanged at in Stormwind City or  in Orgrimmar for the following items:
 * Immolation Mantle
 * Immolation Pauldrons
 * Immolation Shoulderguards
 * Mantle of the Cleansing Flame
 * Shoulderwraps of the Cleansing Flame
 * Balespider's Mantle

Source
This item drops from Majordomo Staghelm in the Firelands on normal mode.