In this chapter, we learn that fire dragon fruit is a powerful magical substance that can be used in conjunction with other magical artifacts to greatly increase the caster's spell power and control over the spell's elements. Fire dragon fruit can also be used as a stimulant to increase the effectiveness of a stimulant, such as the stimulant contained in the essence of jade heart, which has a very powerful yin energy. In other words, it can help the caster suppress his or her nine yin energy, which is the energy in the center of the body. This is a good thing, because it means that the spell will be more effective. Fatty, however, is not so sure about this. He tells the witch that he can leave, but that the parasites are still there. Fatty says that he won't let the witch go, but the witch says that she'll give him a present before she leaves. She tells Fatty that she has already cast a spell to break the spell formation on the witch's body, and she's going to give Fatty a way to get in touch with her.