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.,Lin Yun's eyes darkened, the heart method of the Tiger Fist flashed through his mind. Taking advantage of this feeling, he grasped the surging heat flow within his body, let out a soft cry, and unleashed the sixteenth form of Tiger Fist: Tiger Roars in the Mountains and Forests.,Lin Yun retracted his fists and adjusted his breath, a hint of joy appearing on his face. He hadn't expected that by successfully practicing the Tiger Roaring Mountain Forest technique, he had also reached the third level of martial arts.。