: The narrative heavily integrates Norse myths, which are revealed to be Eivor's interpretations of the memories of the Isu , an ancient advanced civilization. Eivor discovers they are the reincarnation of the Isu leader Odin , while their brother Sigurd and mentor Basim also share connections to these ancient figures. The Modern-Day Story
: After leaving Norway due to King Harald's unification of the clans, Eivor establishes the settlement of Ravensthorpe in England. Much of the story involves forging political alliances with various Saxon and Norse lords across different regions to secure the clan's future. : The narrative heavily integrates Norse myths, which
: Eivor becomes embroiled in the ancient conflict between the Hidden Ones (precursors to the Assassins) and the Order of the Ancients (precursors to the Templars). While not officially a member of the brotherhood, Eivor works with Hidden Ones like Basim and Hytham to eliminate Order members throughout England. Much of the story involves forging political alliances