Start with Slaying Demons

That night, a monster dream came into his arms. Xu Yin woke up from the nightmare and found that it was not just a nightmare, but that he was already in a strange and abnormal Kyushu. The disheveled swordsman from the rivers and lakes once cut across Chang'an with a single sword, the true form of the great demon from the Eight Desolations covered the sky, and there was also the Great Wall of Demon Control that had stood for thousands of years and stretched across thousands of miles... In order to retrieve his soul lost in the vast continent, Xu Yin stepped into many mysteries, slayed demons, and walked to the top of the mountain step by step to confront Changtian! Whose Kyushu is this Kyushu? Whose world is this? What about that day?