Whispers of the Djinn

Whispers of the Djinn is an archaeology quest that grants your group the Whisper of the Djinn buff, slowly regenerating health and mana for all party members while in the Vortex Pinnacle.

Description
This brazier is obviously magical, but it seems impervious to your attempts to invoke its power. If only you had a Tol'vir Heiroglyphic[sic] keystone to help decipher the engravings on the side.
 * Tol'vir Hieroglyphic (required)

Completion
It appears as if this particular brazier has trapped a minor djinn, and freeing him would certainly bring a reward. Right?

Rewards
The following spell will be cast on you:

You will also receive:
 * (or if completed at level 85)