This is an ancient chessboard.

Looking at the shocking scene in front of him, Harta was also frightened, but he was also worried that the chessboard would be taken away by the old man, so he had to bite the bullet and go to the big pit. From a distance, he saw the chessboard lying in the center of the pit, and the chess pieces on it had returned to calm.
After making sure there was no danger, Harta approached carefully and then took the chessboard away.
Harta felt very strange about his control over the Star Emperor Tower....