I'm pretty sure it would be the setting because changing the story or main idea would change the story itself, rather than adapting it for your needs.
Both friends decided to slit up when training so they don't think about their friendship. They also decided to "pull punches" just so they don't hurt eachother. They get ready to get into the ring leaving all feelings aside. They're in the ring and start off the fight really well.
Paragon- Role model, a companion,comparision , competition.
Answer:
c- The introduction.
Explanation:
I did the test. And this paragraph is setting it up to explain the main body.