Li Fan also hurriedly browsed through it, the beginning of the summary consisted of principles, and the latter part included all sorts of messy component manufacturing methods, resembling a reference book. Of course, many of these tool kits and components did not offer much novelty in structure and principle. For example, with boats and carts, bamboo oxen and wooden sparrows, it was essentially about replacing the electrical and thermal energy driving the tools in the mortal world with the True Qi energy of the immortal cultivation world. They were literal True Qi machines.
However, among them, there was a component called the 'Essence Source Mechanism' that Li Fan couldn't quite comprehend. It seemed to be some sort of True Qi engine which seemed to involve internal spiritual Qi driving the mechanism to operate, which then propelled other mechanical parts. This could replace something akin to a cultivator's heart, allowing the mechanical creation to operate on its own.
