Ancension of a Madman

Tyler lived an ordinary life in a well-off family, until he was 17. Then, the world changed and he had to change with it. They called him a genius, a devil, a saint, a sage, a hero. He lived 100 different lives and then came back to the beginning. Follow Tyler's jouney to become the strongest being, with a little help from his past knowledge. *I'm new at writing and english is not my mother language. If you see any errors, please do tell me in the comments.