I've Already Become a Hunyuan, and You Still Dare to Refine the Witch-Slaying Sword?

When Xuanhan woke up, he found that he had traveled to the prehistoric world and became the husband of the Mingyi clan, one of the three ancestors of the prehistoric human race. At this time, it was during the calamity period of the Lich. The Zhenyi clan had not yet become one of the human ancestors, and the calamity of the human race had not yet begun, but the protective formation left by Nuwa after creating humans had become ineffective. Without the protection of the human race formation, the human race is in an embarrassing situation. Since the human race does not know how to practice and has no high-level monks to protect it, any little demon who has just become a spirit can cause heavy losses to many human tribes. It was during this period that Xuanhan's soul passed through the body of Mianyi's husband who died of serious injuries while out hunting. At this time of life and death, where should Xuan Han go? Should he follow the general trend of the past based on the conditions of foresight, or...