Immortality Martial Arts: I'll Use Silver to Add Some Longevity

When he woke up, Xu Yi traveled to a troubled time where people were in dire straits and life was like a piece of grass. After traveling through time, he discovered that his life span was less than ten years! Xu Yi originally wanted to practice health-preserving techniques to increase his longevity, but he discovered that the health-preserving techniques in this world were of no use to him! But just when Xu Yi was worried about what to do as his life span was running out, he accidentally awakened the attribute panel. The most powerful function of the panel is that you can directly spend money to buy longevity yuan! Moreover, as longevity increases, Xu Yi's qualifications can also be infinitely improved! After discovering this, Xu Yi focused on making money from then on. Regardless of current affairs, he would be the first to rush forward wherever there was money to be made! … Many years later, Xu Yi has a long life and has become a real immortal old monster. His aptitude is even more terrifying. With rapid progress, he has become a martial arts genius that no one can match!