I, the Invincible Strong Man, Start Playing Chess with the Demon King

In the fairy world, there are two supreme masters. They both want to devour the other and become the great master, but neither of them takes action. Until one day, the great master disappears, and the two supreme masters of the fairy world take great action. In the end, neither one can take the other, so they make a rule. Disciples determine the rules. Each person accepts a total of five disciples. Whose disciple loses, and the loser contributes his origin. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.