Armorer Relna

Armorer Relna is a pandaren located at the Shrine of Two Moons in the Vale of Eternal Blossoms.

Quotes
See some armor you like, ? These rare armor sets can only be obtained by proving your worth in the most challenging dungeons in Pandaria.
 * Gossip

You must seek out these dungeons and enter them by foot. Those who pass the challenges with enough speed shall earn the regard of our master armorers, and may find a gift of rare armor awaiting them in the mail.