I Am a Big Demon in the World of Immortality

Xu Nan traveled through the world of immortality for three whole years and was still a low-level monk. By accident, I discovered that I actually had the ability to travel twice and entered the demon world. Moreover, he awakened the demon blood in his body and transformed into the 'Devil Tai Sui'! … In the world of cultivating immortals, he is a small cultivator. In the world of monsters and monsters, he is the reincarnation of a boss and the demon god comes to the world! Watch him use his human body to become a true immortal, and use his half-demon body to become a god and demon. Travel between the two realms, step by step, refine the demon into an immortal!