Gloves of the Lost Vanquisher

Gloves of the Lost Vanquisher is a tier 7 armor token. It can be exchanged in Dalaran for the following items:
 * Heroes' Bonescythe Gauntlets
 * Heroes' Scourgeborne Gauntlets
 * Heroes' Scourgeborne Handguards
 * Heroes' Frostfire Gloves
 * Heroes' Dreamwalker Gloves
 * Heroes' Dreamwalker Handgrips
 * Heroes' Dreamwalker Handguards

Source
This item drops from Sartharion in the 10-man version of the Obsidian Sanctum.

This item is also sold by the following vendors for :
 * in Dalaran
 * in Dalaran