The skills on the gray wall will undergo a qualitative change once they reach the second tier. Just like calligraphy, if you only look at the structure of the characters, there is no obvious difference between the beginner level of the second stage and the peak of the first stage. But looking at the text as a whole, the second-order characters have a unique charm. When I first copied scriptures for Qingfeng Temple, the later copies clearly had a more ethereal quality. Just looking at the font, one could sense the profound mystery of the Taoist scriptures. Similarly, as his drawing skills reached the second level, he gained a lot more knowledge. When he draws a face, the general shapes of different faces appear in his mind. When drawing eyes, various types of eyes, such as phoenix eye

