Legion Retribution

This is an Act 4 side quest, offered by Spellbreaker Moira after reaching Honored faction status with the Black Legion.

Moira tells of intense Aetherial terraforming activity in the region now known as the Immolation, near Deadman's Gulch, and asks you to deal with it.

Objectives

 * Slay the Herald of Destruction
 * Report to Spellbreaker Moira

Guide
From Deadman's Gulch, use the Mine Entrance at the end of the valley of aetherflame. This will take you to The Immolation, where the Herald of Destruction can be found. Note that the area is full of Aether Crystals and damaging ground effects.