Magic like for making a mage class.. no.
The game is based on Nordic mythology, you died in battle, so Hugin brings your soul to another world (that doesn't exist for real in viking mithology) called Valheim(as 10th world of Yggdrasil made by devs) where you need to prove you are worth of Valhalla to join Odin's army by defeating his slaves (in-game bosses), deal with hard environment and your own weaknesses.