Descendents of the hunters expand north from Alpuk, discovering the Glacier of Ulutiu near the Upper River. Carved in the glacier are mysterious and extensive writings, some of which the hunters manage to translate. Ulutiu is revealed to be the author of the writings, and the being responsible for the creation of the Great Glacier.
Some of the hunters are so impressed with this discovery that they declare themselves disciples of Ulutiu, who they presume is a god. The group decide to migrate further north and establish their own settlements dedicated to the worship of Ulutiu; these become the forebears of the Nakulutiun tribes. The remaining hunters return to their home in Alpuk, thereafter calling themselves Iulutiuns. »