The chemical gas lattice is a difficult pattern to master, because it will involve the essence of the pattern. In general, there is such a theory in the book, such as: "The gas-changing lattice is based on the principle of the sun, and it is based on the five combinations of heaven and earth, that is, the soil of armor, the gold of armor, the water of propylene, the wood of butyl, and the fire of pentadecyl." The conditions of integration must be supported by the prosperous god of integration, and the god of integration must be strong in the moon or help the gods. The five elements of the eight characters can't break the gas, and the integration is successful. "