All My Progress Comes from Practice. Am I Wrong to Be Proud?

[System-based] [Decisive and ruthless] [Hard-hitting fights] [One heroine] [Everything done by hand] Li Jin woke up to find that he had transmigrated into a fantasy world! He had become a gang disciple who had died only recently! He awakened his golden finger: a Proficiency System! The scariest thing isn't working hard. It's working hard and getting nothing in return! When every bit of effort is recognized, no sweat is wasted! “Born with a weak constitution? Mediocre aptitude?” “You improve your cultivation through practice: it takes a long time, progresses slowly, and produces low-quality, unstable results!” “But I improve step by step by spending System points!” “The difference is clear!” “Proficiency, go up!” Li Jin: “Huh? Wait, bro, I have to train my proficiency myself? The sky is falling!!!”