Leaning on the Sword, All Heavens Travel

The male protagonist Li Zihao accidentally gets involved in the immortal chess game and has to rely on the Heavenly Sword to identify the master. Travel between two realms, uncover the secrets of immortals, and discover the truth about the world. Li Zihao only had this one sword, but with one sword he could enter the Taoist White Jade Palace, with one sword he could crush the mayflies without color, but with one sword he could enter the yin and yang realm and no one could stop him, so what?