Traveling Across the World to Become a Saint Against Heaven

A man obtained a system due to a mistake, used his system to travel through the world, and finally traveled through the main source world to defy heaven and become a saint, taking control of his own destiny. There is no absolute good or darkness in the world. If everyone in the world cannot control themselves, then I will set the precedent. I will not fight for others, I will only exist for myself. If you mess with me, I will seek revenge from you for thousands of years. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.