Internal training cultivates the five internal organs and six fu, while external training refines the skin, flesh, tendons, and bones.,Xu Zimo's courtyard was located in the middle of Yannan Peak. Along the way, medicinal herbs bloomed on both sides, with blue and purple stripes interwoven like a rainbow. There were auspicious beasts running towards the distance, their bodies radiating with thousands of rays of light.,Xu Zimu came to the courtyard, and his guard Zhang Chongtian was waiting for him far away at the door.。