This quest is not a proper part of the Jarsath Wastes timeline, however it is available as a repeatable quest from Lance Corporal Sonoriss any time you need to raise your Legion of Danak faction standing. It is only offered while your Legion of Danak faction is -10,000 or worse.
Steps[]
Collect the heads of 12 dracurion hoplites around ( -625, -37, -70 ) Copy/waypoint -625, -37, -70
Rewards[]
8g11s18c
Completing this quest gives +10,000 faction with Legion of Danak