The ten levels of martial arts, the first three cultivate skin, bones, and meridians. The middle three cultivate flesh, blood, and five internal organs. The last three connect tendons, transform bone, and change marrow, reaching the peak of the tenth level.,In my memory, Lin Yun used to practice this set of punches in a way that was obscure and difficult to understand. He would only imitate the form without truly grasping its meaning.,The internal heat flow is still churning non-stop, warming the whole body and feeling incredibly comfortable.。