While divisive in life, in death Olaf became"Rex Perpetuus Norvegiae"the eternal king of Norway, wielded a unifying power no foreign monarch could hope to undo. Cnut, most distracted by the task of administering England, managed to rule Norway for five years after the battle through his viceroy son Svein. However, when Olaf's illegitimate son Magnus (dubbed 'the Good') laid claim to the Norwegian throne, Cnut had to yield. Thus, a century of prosperity and expansion followed, lasting until the kingdom again descended into the Civil war era in Norway over the issue of succession.'