Destruction's Depths/Zaishen Quest

Summary

 * Reinforcements are needed. Destroyers are swarming the Asura Gate in the Depths of Tyria. The dwarves can't hold forever. Report to King Jalis. Tyria's future depends on you.
 * *BONUS* Complete the mission in Hard Mode.

Dialogue
Reclaim the Asura Gate to the Central Transfer Chamber from the Destroyers in the Depths of Tyria.
 * Accept: I can do that!
 * Reject: No, I'm way too busy today.