Yggdrasil

Midgard of Yggdrasil is a place made exclusively made for Seven Deadly Sins Grand Cross Ragnarok story.

Background
Midgard is covered in a never ending blizzard. It is inhabited by different creatures and gods. It is home to Demons, Giants, Humans, Beastmen, Fairies, and Valkyries.

At some point it used to have four seasons until the Gods made it into an eternal winter.