Destruction's Depths

Overview
Summary
 * Find and reclaim the Central Transfer Chamber
 * Take command of the golems and find the missing Asuran patrol.
 * Rendezvous with the Ebon Vanguard.
 * Clear a path into the depths with the Ebon Vanguard.
 * Continue deeper into the caverns.
 * Fight beside the Norn as they hold off the Destroyers.
 * Travel to the Central Transfer Chamber via the Asura Gate.
 * Clear the Central Transfer Chamber of Destroyers.

Obtained from
 * Jalis Ironhammer in Battledepths

Requirements
 * Heart of the Shiverpeaks

Reward
 * 2,500 Experience

Dialogue
 * "The Eye of North has revealed the source of the Destroyers. We must journey deep within the Shiverpeak Mountains and eliminate the evil at its core. The power of the Great Dwarf and your many allies await your command to begin the final assault."

Intermediate dialogue

Creatures

 * Avatar of Destruction (While fighting alongside the Norn.)
 * Disc of Chaos (Final Boss)

Followup

 * A Time for Heroes