Very good story!
I don’t know if I like the idea of some words that Ihuans use being Scandinavian, but it certainly is interesting and it gives them more uniqueness.
It is amaizing how many ways of starting the civil wars there are. I myself made a story about it, too. Though I don’t know if it is as good as your stories are.
Either way, I really like your ideas about the story, keep it up!