Chessboard Chess Player: Deduction Contest (Part 1)

Wherever the Heavenly Dipper Demonic Sound passed, within a radius of a hundred miles, those creatures on and under the water that had not been frightened away by the Sky Shuttle Tide either had their souls scattered to the winds in the light cases or had their flesh and blood turned to mud in the heavy ones. It even summoned throngs of demonic shadows that shrieked with laughter, turned into a gust of demonic wind, and pushed forward along the wake of the sound waves, piercing through the crests of the waves and plunging into the vanguard of the Sky Shuttle Tide. No matter how turbulent the fish tide was, this single strike still took nearly a thousand lives. This attack was different from Jian Ziyu's; the latter drove swords with the unique flavor of the rolling mortal world. Although his sword intent was fierce, it was "harmonizing with the radiance and blending with the dust," and the targets he killed seemed to meet their ends in a true-yet-illusory dream without any stimulating scenes appearing. The Heavenly Dipper Demonic Sound, on the other hand, was domineering and overbearing. The shattered flesh and blood and the rampaging demonic shadows instantly fouled the seawater, causing the Sky Shuttle fish tide to experience a violent commotion. The Sky Shuttle fish "swallowed greedily without limit when hungry, and wove through the water without pattern when full," being naturally closely connected with the primordial Qi of heaven and earth. Once the crest of the tide fell into disarray, between sea and sky gales and rain raged furiously, electricity slithered endlessly like long snakes among them, and explosions rang out in chains, forming almost the momentum of a thunderstorm. At this moment, except for Night Lion, who stood tall at the crest of the tide and