C50 Who is the opponent (1)

On the white signboard, there was a few words written in black ink about the rules of the competition.

One, he couldn't die!

Two, companions cannot die!

Third, the opponent's contestants must not die!

Fourth, the first group to fall off the arena lost!

Seeing such simple and concise rules, Mu Wanjun could not even find the strength to ridicule them.

Si Tu could not help him