There is certainly a rhythm to Grendel's warlike appearance here. He is personified as the devil or devil-like. The author uses alliteration to add impact to a galloping like pace in which Grendel advances (ex. bogs- bearing / trap-trip / God -Grendel).
Assuming that you're talking about the myth of Greek Gods, the purpose of the myth is for an Explanation of natural Phenomena. For example if sailors in that era were trapped in a massive storm in the middle of the sea, they will say something like : "we've angered the Poseidon"
Answer:
Today I wanted to go out, but I was so sleep deprived I could faint at the spot. I decided to go make some breakfast, pancakes seemed good. I kept messing up because of how tired I was, and was left with a diminishing cardboard looking pancake. Eh, I was just save it for later.. I thought to myself. I had the tendency to still go out, despire being tired. I mean, it's not going to stop me isn't? As accustomed, I went out to my car and drove off to the supermarket to buy some food. It was so hard to focus on the road and I kept closing my eyes, that lead to me having a disastrous accident that damaged me and my car immensely. I got tickets as well and rested at the hospital until I healed.
Answer: The topic sentence
Explanation: If the text is properly written, the topic sentence should either be at the beginning of the paragraph/text, or the end, if it is a short text; for things like the heading or title; words in special print; repeated words; things reiterated by pronouns; or ideas being suggested.