Every 333 years, the powerful and mysterious creature Quiba is born between heaven and earth, causing great disasters in the Yuanyang world. The sixth generation of Quiba, Kuiba Manji (voiced by Liu Jingluo), quietly escaped a disaster, and now he is advancing on the road to the greatest demon hero with Man Xiaoman (voiced by Wang Kai). They successfully boarded Qujing No. 1 bound for Woliu Island, and as many soldiers of the Holy Alliance approached the dangerous place, they hoped to defeat Quiba and make achievements. At the same time, Jingxin (voiced by Liu Lu), the chief god of the Heavenly Kuiba Division, accurately measured the correct position of the new generation of Quiba. In order to give this difficult opponent a fatal blow, she did not hesitate to use the light power of the creatures of the earth. On the Woliu Island, the vanguard of the Holy Alliance was strongly killed by You Mi Kuang and his comrades. Then Man Xiaoman, Xuelun (voiced by Ao Lei), and Manji followed Jingxin to the island, and the tragic battle shook every corner of the Yuanyang world...