A time-traveling otaku with good aptitude and a book similar to double cultivation. When will the cultivation of immortality end? (Lao Qi has always believed that cultivation of immortality must also have a reasonable level of law, or you have to speak the truth. Everything in the world has its own rules, you can’t just divide it into several levels as you take it for granted, and try to conform to the nature of the changes of all things, oh, until the source!)