Xu Zimu trembled with excitement throughout his body. He was confident that as long as he was given a year, he could use this energy to return to the Shenmai Realm.,Internal training cultivates the five internal organs and six fu, while external training refines the skin, flesh, tendons, and bones.,After a long silence, a gentle breeze seemed to break the stillness. Xu Qing Shan slowly raised his head.。