C2260 I'm Looking Forward to It

At this moment, Sun Bing was certain that this was the residence of a half-monarch who was proficient in formations. As for the chessboard, it was more like a test.

After noticing this, Sun Bing's expression turned serious. He carefully observed the chessboard in front of him. The black and white twins were colliding with each other on the chessboard. Although it seemed calm