To be the best here, you don’t have to do much. Your battle is built with the heating music and numerous rhythm challenges to overcome. So before you start, you should be ready that even though there’s only one task to do, it will be pretty hard to do it well.
The main antagonists in Amous FNF are characters you know from another release. Among Us became very popular almost instantly after the appearance, that’s why you see its heroes even here. So catch the rhythm and do your best to hit all the arrows correctly.