First among the Ten Great Martial Emperors, the Peerless Martial Emperor Gu Fei Yang met his end in the Tiandang Mountains. Fifteen years later, he is reborn as Li Yun Xiao of the Tianshui Nation. From that moment, he embarks on a heaven-defying path, clashing with countless prodigies of his era. With martial arts that shake the Nine Heavens and Ten Divine Realms, his return sets the entire world ablaze.