Our Hero: Resolute Faith
Nomads regularly made a pilgrimage to the Holy Land in the east.
However, the Northsea Demon Samurai and Northland Heretics came to the Holy Land, making the Nomads' trip very difficult. Furthermore, a tsunami the same year caused the bridge to the Holy Land to collapse.
Since then, the Nomads go to the coast every year and worship the statue from across the sea instead.
-After completing the mission, please read this book and report back
You can see that the changes in Auris Bay didn't alter the tribe culture much. They still maintain their original way of life, though it gets more and more difficult to eschew modernity.
Northern history researchers still debate the connection between the Nomad culture and the Trol Culture.