Answer:
"It's a prepositional phrase acting as an adverbal phrase"
That is because there is no specific character development or purpose or use of the character. His purpose and use is to be the evil that would get beaten by the main character, in this case Beowulf.
Themselves.
The cue here is fight. Since the fight verb presents itself as plural then we should use themselves to satisfy correctly the sentence. Moreover, the use of itself is when the subject is singular.
For example,
The chair moved by itself which was a spooky gesture.
1.E
2.F
3.G
4.I
5.J
6.H
7.C
8.D
9.A
10.B
<span>Slam poetry is a free-form poetry that uses different styles and techniques to convey the message or story. It uses vocal power to allow the audience to feel the essence of poetry. It is best described as a vocal expression of the audience.</span>