The four people are:

The Mineguards: They migrated from the far north in prehistoric times after a harsh century long civil war with the tundra vikingr.

Vikingr of the Tundra: The oldest people, adapted to the cold tundra, live in small towns.

The Nomadic Hunters: Travel as hunters in small families, sometimes raiding vikingr villages and Minegaurdian cities. They are known for hunting dangerous prey such as creepers and selling their valuable pelts for money.

The Tree Gnomes: A peaceful people, have lived on the southern plains and forests for ages. Making their homes in enormous trees, sometimes even cities in the trees.