Ragnar and Floki were blood brothers, but different religious beliefs clouded by gallons of mead and beer put their friendship to a test more than once.

The original Vikings were Pagans. They worshipped the Gods in Valhalla, not the Christian God. However, as a political move, The Norsemen adopted Christianity as state religion during the 10th century to consolidate their kingdoms.

The west-Goths and the Gutnic population seems to have been first to become Christian. There are findings of churches and semi-Christian burials dating back to the 7–8th century.