Ragnar will have to take on a new burden in season 3. Vikings has a new king, but one who never wished for such power. Katheryn Winnick's 'Vikings' PHOTO Hints At Lagertha's Love Interest, Who Will It Be? Ragnar (Travis Fimmel) became the unwilling King of Denmark when he dispatched King Horick (Donal Logue) at the conclusion of season 2, and the warriors newfound power will bring a boatload of trouble.