Lagertha killed Ubbe’s mother, Queen Aslaug (Alyssa Sutherland) and took back her home of Kattegat. At first, Ubbe wants revenge, but he soon realizes that plan would never work.

In the hit series Vikings, Lagertha (Katheryn Winnick) is a main character from season 1 to season 6. Fans have a lot of opinions about the controversial character, and we have all the details.