I'm Seriously Ill and I Want to Become an Immortal?

Enter with caution! Cthulhu | No realm division | The supreme master of the insect path | Enlightenment flow | Imperfect ending | Horror | Novel setting | No heroine | No villain | No decent | No system | No golden fingers | Again, be careful before entering! His name is Xu Tian. Maybe, he is indeed a little bit sick, a little bit abnormal. The doctor said to take medicine, but he was not that rich. Especially recently, he always felt that his condition was getting worse and worse, as if something was about to come out. But who knows what happens while sleeping? He couldn't remember what he had dreamed, only vague fragments. The key to becoming an immortal is "giving up" [Non-traditional immortality writing, there is no absolute good and evil, and there is no happy ending]