I Brush up the System KPI in the World of Immortality

Gentlemen in the audience, please take your seats. Helmets are now distributed to everyone. The train to the world of epilepsy is about to leave. If you feel any discomfort, please contact the staff in time. An interview with the protagonist is played next. : Hello, I traveled through time unexpectedly. What do you think? Cheng Xian: I'm very honored and unhappy. : When you first enter the world of immortality and are given a useless system, will you choose to indulge yourself and go crazy, or will you take every step to reach the top of the world of immortality? Cheng Xian: I want both. : This seems unrealistic Cheng Xian: A person must learn one instrument in his life. What I learned is to brag. : This doesn't seem to be serious cultivation of immortality, it's cultivation of epilepsy, right?