Beowulf’s perseverance to killing monsters is a strong characteristic that is much needed especially in the viking era. If he did not have that drive to killing monsters he would be a nobody, killing so many bests with so much ease is what makes him who he his.”I killed them, nine old water nickers, robbed them of the feast they expected at the bottom of the sea.”
Beowulf has a lot of strength but it’s not just that it is his power, he’s manhandled