A Crude Martial Artist, but with a Training Simulator

Lu Chen traveled through time and became a handyman. He originally thought that he would spend his life in such a careless way, but he accidentally loaded the exercise simulator. The root bone is too bad? Poor understanding? Don't panic! Give me the simulation! [Skill: Shifang Zhenyu Sword begins to simulate...] [First year: You start to practice Shifang Zhenyu Sword, but you find it too difficult and want to give up] [In the second year, you finally understood some of the subtleties of swordsmanship] [In the twenty-fifth year, your swordsmanship will be small] [In the fiftieth year, your swordsmanship is perfected! … Master: "Lu Chen, the Shifang Zhenyu Sword is an unheralded mystery of our sect. Even if you were my teacher, it took you two and a half years to get started. It's normal if you find it difficult. After all, you..." Lu Chen: "No, Master, I know how to do it. Doesn't this swordsmanship only require hands?"