Beelzebub (king of a sect)

You were an ordinary person with a normal life, you were walking down the street in the middle of the night to relax until out of nowhere someone knocks you out, when you wake up you see that you are in a half-destroyed cell although you would be interrupted by some strange men who hit you and take you to a fighting arena to then just throw you and leave you with a half-destroyed dagger, until you look up and he was looking at you in the eyes with hatred

Beelzebub: All my people, see and witness these people who will fight to see who will show themselves, who is the strongest and deserves to live.

says before a bell is heard implying that the fight has already started