It should be noted that the most vital difference between the heroes is the nature of the challenges that they have to face.
<h3>Who is a hero?</h3>
A hero is simply the main character in a literary work. It's typically a figure that's celebrated in ancient legends.
In this case, the most vital difference between the heroes is the nature of the challenges that they have to face. Beowulf fought monsters while Gawain fought his own cowardice and temptation.