There are no legitimate records of the past, but stories speak of a plague called Rotten bones, Maggots feeding on your flesh and skin reshaping your bone structure to their liking

With whatever they held dear behind, Mankind invaded the Viking's lands. Slaughtering them whilst  enslaving the survivors

With the invaded pushing for survival under their last defence point (The shelter),  the invaders inhabited different life styles and cultures, ruling their people under different names

This story is a multi Pov, with 3-5 main characters currently, each adapting their own goals

Mc:

Children of the masked man

Jason who watches soldiers of the Varish laugh as his sister burned to death

Torden, first son of the waster House who goes back from his traumatic experience in the dead lands

and many more