Now this is not very detailed at all, and there are many more gods, but it is easy to get the different layers of the mythology if you take a look at this.
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Fleeing from Ivar's murderous forces, Lagertha, Bjorn, Ubbe, Torvi and Bishop Heahmund must decide where to go next but Lagertha refuses to leave her home in Kattegat.
Gustaf Skarsgard ('Floki') and George Blagden ('Athelstan') from Vikings talk about their roles, shooting in remote locations, horses, and whether or not Floki will be around for all of season two.