“Vikings” chronicles the exploits of Ragnar Lothbrok, the most legendary figure of his time. The show narrates the epic tales of Ragnar’s group of Viking comrades and his kin as he ascends to the throne as the leader of the Viking clans. Beyond his reputation as a brave fighter, Ragnar represents the Norse customs of reverence for the deities. According to legend, he was a direct descendant of Odin, the deity associated with war and warriors.