*Five thousand years ago，he suddenly swallowed the immortal pills made by the female Divine Snail. Since that his soul becomes immortal which can transfer into a another body after his last body  dying. For all those years, He was an emperor who ruled over all six lands. He was a sword master who taught people the swordsmanship. He was a teacher of Godly Doctor. ...... But he just can not make his body immortal. This life , he is actually a son-in-law. After all those identities，Can he achieve his ultimate goal？