Within the theoretical framework of cultivation practices, the concept of qi holds a central position. This vital energy is believed to be both physical and metaphysical, capable of influencing not only the corporeal body but also the spiritual essence of an individual. Qi can directly harm the yin spirit, the energetic essence believed to constitute a ghost. This suggests the ability of qi to interact with the spiritual realm, potentially disrupting the integrity of non-corporeal entities. Furthermore, qi is not merely a source of power; it is also believed to be a constituent element of the Shen, the concept often translated as "soul." Through cultivation practices, refined qi can nourish and strengthen the Shen. Within the Daoist framework, qi (气) holds a central position, acting as the fundamental lifeblood of the universe. It is not merely a physical energy, but rather the very essence that animates all creation – the breath of heaven and earth.