The practitioners were called Volva. The Vikings believed that the art of Seidr magic came from the Vanir gods. There were two clans of gods in Viking mythology. First, the Aesir gods, led by Odin ...

and the Vanir were led by Njörðr, the god of the Wind and the Sea. No matter how ugly the fights between the warring gods of Asgard got, and even with the threat of Ragnarök (the Norse concept ...