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.,The essence of the Tiger Fist lies in these three moves, but Lin Yun hadn't mastered them before. He only half-understood the first fifteen moves, so how could he focus on the last three,In a flash, he completed all fifteen strikes. A surge of heat coursed through his limbs and bones, flowing wildly throughout his body.。