Beowulf was written for an Anglo-Saxon audience and contains many elements that are foreign to the readers of today. The 13th Warrior was written as Eaters of the Dead, by Michael Crichton, in the 1990's.
The saga of Beowulf contains many examples of the pagan concept of Wyrd of fate. Both Beowulf and the 13th Warrior are adventures of a hero whose actions determined a nation's fate. In the book, Beowulf was traveling from home to save a nation from Grendel and his equally ferocious mother. In the movie, Buliwyf single handedly kills the head warrior of the opposing enemy. He also ventures into the cave and kills the Wendol Priestess. As the lead-wendol represents Grendel,