You Can Become an Immortal in Nine or Ten Reincarnations

I am born in the 1990s and have read novels for more than 20 years. I often think about settings and plots in my mind, and think about what it would be like to one day go to another world where I can practice cultivation. I often look for books that have a reasonable setting, are not intellectually subdued, are not brainless, the protagonist is not extreme, and the writing and dialogue are not childish. It is difficult to find them. Then I will do it by myself and write a novel that I like