Slay the Frigid Lieutenant summoned from the Ice Stone located in the cave underneath Firewatch Ridge in the northwest of Searing Gorge, then return to the Earthen Ring Elder in a capital city.
We must act to preserve the balance! Time is against us.
Firewatch Ridge in Searing Gorge is an established bastion of Twilight Cult activity. Recently, they have been using ice stones in the cave to communicate with the Tidehunter's realm, much like they do in Silithus. Much as I am loath to do this, the spirits will understand - you must summon one of this Ahune's lieutenants and destroy it. Perhaps this forestalling action will be enough...
Players then are given access to quests based on their level: