Demon Emperor Xiao Fan returns to his homeland from the world of immortal heroes, carrying only a fraction of his former strength. He protects his loved ones, settles old scores, and takes Mo Xiao, Little Turtle, and others under his command. He helps his younger brother Xiao Wen transplant a dragon body and pass on the Dao of Formation. Advancing into Qingyun’s Lower Province, he establishes his power, breaks through obstacles, and unites its factions. Together with his beloveds Leng Qiuyan and Yue Li and the descendants of the Demon Kingdom, he destroys the Zuoqiu and Duan families and the puppets of Yuan Gate. He marches into the Central Province, kills Yuan Gate’s three leaders, and revives the Demon Kingdom. When the anti-demon alliance of the Central Imperial Realm and the dragons, his old enemies, emerge, Xiao Wen becomes a Formation God and establishes a joint defense between the two realms, while Xiao Fan regains his peak strength and breaks through the crisis.