Hagodereth Heroquest

A quest of Talastari Orlanthi
 * It is only known as performed by Lokamayadon in Mount Umatum of the Yolp Mountains.
 * Lokamayadon met Bearded Storm in it.
 * He invoked Hethana, she taught him how to got to the Sedar's Mountain.
 * In Sedar's Mountain, He flew to the mountain top and submitted to Hargodereth.
 * Lokamayadon proved his Bearded Storm is a part of Hargodereth.

Source: History of the Heortling Peoples