Experience of living in a chaotic world of demons

(This book is also known as "Martial Arts Immortality: Gaining Experience from Chopping Wood" and "Splitting the Sky")
[You traveled through time and space, and your name is Gu Sheng, a young farm boy. ]
[This is a chaotic dynasty with demons and gangs everywhere. As a member of the lower class, you have a hellish survival difficulty. ]
[You decide to stay alive. ]
[You awaken the proficiency panel. ]
[You breathe a sigh of relief and can start to work hard. ]
[You have mastered chopping wood to perfection, and cutting bones and tendons is no problem. ]
[You have mastered archery to perfection, and you have become a master archer who can shoot lice through willows. ]
[You have learned the Iron Stone Fist and embarked on the road of a warrior. You have mastered it to perfection, and your punches are heavy. ]
…
[You have learned the Changchun Immortal Kung Fu, and your life span has greatly increased. You have more time to work hard, and your hope of surviving is greater. ]
…
[You work hard to the limit and survive steadily. One day you suddenly find that you are invincible. ]