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In ancient times, there were strategists who cultivated the way of strategism. In his later years, Gui Guzi understood the way of heaven and refined a treasure chain. There is a secret hidden in the chain. The ability is too powerful and the power is scattered all over the world. Those who join the chain will surely turn the world upside down... It is said that this chain is more spiritual. If it only follows the destined person, this person will have earth-shaking abilities in all aspects. After thousands of years of precipitation, I failed to find a host, and finally fell into the hands of a young man...

He traveled through time and became a demon king. With the help of the system, his power gradually grew. He thought he would reach the peak of the demon king, but he was sanctioned by the World Management Association. The system was gone and his power was gone. What, the hero is coming? Don't panic, be steady. What does it mean to be a devil? Talk, learn and sing. (Eclectic and nonsensical style, first-person perspective of multiple protagonists, and rare diary-style memoir writing.)