These monsters inflicted death on people, where as Beowulf protected them. In the epic, Grendel was said to be a descendant of Cain; who was the first to murder in the Bible and is closely associated with evil. Beowulf was a hero; he was bold, smart, strong, and willing to fight for humanity. The epic Beowulf contains the stereotypical, easy to see theme of good versus evil, with a hero protecting civilians from monsters.
There are similarities, differences, and a theme of good versus evil throughout the three major battles in Beowulf. Beowulf fought for humanity and was a hero for it. Having distinctive characteristics among the battles both separated and connected them in several ways. They were all centered around the theme of good versus evil. Beowulf fought and killed many monsters preserving prosperity and security for civilians. He was a savior to many; and in the end, suffered the ultimate