The Return of a Generation of Demon Emperors

He was originally born from heaven and earth. He conquered the demons and humans, swept across the gods and heavens, and was unmatched. He was only half a step away from unifying the three realms. However, he fell in love with a human girl unintentionally. Unexpectedly, this woman took advantage of his unpreparedness and used the Jiuli pot that swallowed all things to suck away his lifelong cultivation, causing him to be killed by the gods. Five hundred years later, he actually possessed a young man named Yangchen. By then, the situation had changed drastically. The former Demon Emperor turned into a human and started his legendary journey again...