Multi-Personality Almighty Mage

A world so similar to the earth, but here humans live in a narrow gap. When a man with multiple personalities accidentally travels to this continent, he suddenly discovers that this world can no longer stop his rise. What should you do if you encounter a powerful enemy that you cannot defeat? But have you heard of melancholy? So let me switch the state first... It's ridiculous that I'm not as good as you in cultivation. You think I'm kidding, that's superficial! The other me is working hard to help me practice... Do you want to fight with me? Vulgar! I advise you to take a mirror and look at it. How old are you... He wants to create his own magical era, lead mankind towards revival, and become the protagonist of the world again. Of course, he needs a little help from his book friends...