"The path of cultivation is very hard. There are four sad barriers. The first barrier, as I told you before, is the transition from mental rotation period to spiritual stillness period. The second barrier is the transition period. The success or failure of transition period is related to the quality of Yuanying. Yuanying is the crystal of internal energy. Its shape is the same as that of noumenon. The most important one is that Yuanying is the lifeblood of the cultivator. Yuanying powder represents Yuanying San In the real sense of death, so it is very important to cultivate the yuan baby. It can be said that the real cultivator...