Qiraji Regal Drape

Qiraji Regal Drape is a Cenarion Circle armor token. It can be exchanged along with various idols and scarabs at various NPCs at Cenarion Hold for the following items:
 * Cape of Eternal Justice
 * Cloak of the Unseen Path
 * Cloak of the Gathering Storm
 * Shroud of Unspoken Names
 * Cloak of Unending Life

Source
This item drops from Kurinnaxx, General Rajaxx, Buru the Gorger, and Ayamiss the Hunter in the Ruins of Ahn'Qiraj.