C197 A Life and Death Duel

"I came to find you to fight you to the death!" Nan Tine said and took out a jade slip from his pocket.

On the jade slip were the words "life and death duel book. "

Life and death duel and arena matches were somewhat similar, but different at the same time.

In the Challenge Tournament, people could intervene and stop the match, or if one of the two sides admitted defeat