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.,Basic boxing techniques are used to hone the physical body, improve meridians, bones, blood and flesh, laying the foundation for a long and arduous path of cultivation.,In the icy water, Lin Yun's delicate face was reflected. On her brow, there was a small purple rhombus mark.。