They are different types of heroes; Beowulf is a warrior, and Sir Gawain is a knight. ... Beowulf follows the heroic code which values strength, honor, and courage. Sir Gawain follows the code of chivalry and values being honest, humble, loyal, pious, and having integrity.
Because it really does a lot to your essay. It makes it sound a lot better and more advanced. It makes your essays sound more adult and not like children books. It makes it more mature.
In this sentence it is an adverb :)