One Person, One Sword as Cold as a Blade

One person, one sword, and one punch broke through the boundaries in countless mysteries, becoming the most "mysterious" and "noble" among the thousands of worlds and becoming the boundless "supreme". "It moves like a dragon and tiger, moves like a crane, drags its hips and elbows to shake the nine states." "The fish and dragons are in chaos, the wind and clouds are surging, one thought leads to the netherworld, and the other thought is to heaven!" Everyone, please enlighten me! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.