Wei Zi plays chess alone.

He frowned at the chess game. This is obviously a dead chess game, but it seems to hide countless traps.

This made him a little nerve-racking, holding the chess pieces vacillating, and sometimes biting them on his teeth, but he could never figure out a way to crack them.

Just when he was sad, he inadvertently caught a glimpse of the carving in the corner of the chessboard and understood it when he died. He fell down and looked at his opponent with a smile, as if to say, "I broke this game."