Now that you have the twisted totems, we must wield them to summon forth the corrupted elementals the quilboar are calling upon. Defeat them to cleanse these lands and put an end to the Razormane's abominable ritual then report back to Rau Cliffrunner with your success.
You should begin your clensing at the steam pools to the west. That area is rich with each of the elements. But be careful, <name>. The quilboar will not sit idly while you interrupt their plans.
