It Starts with Escaping from the Mental Hospital and Ends with Crushing the World.

Because of a flash of lightning, Ye Ningyuan arrived millions of years later. The civilization that continued in the wasteland was both a new life and a prison. He walked along the way, rectifying injustices, doing impossible things, and spent half his life freely, but found that he was just a chess piece. ... If you regard me as a chess piece, then I will use my body to break your chess game, crush this cage, and destroy everyone holding the chess piece. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.