After the old man left, Chen Xi closed the door and prepared to return to the inner room to read. For him, nothing was more important than studying the texts of this period, even though he had memories from his previous life as Chen Xi, they were not entirely complete.,Similarly, mental power refinement also emerged with its own schools of thought. So-called secret transmissions and Taoist techniques appeared. As it developed, there also arose methods to counter those top-tier warriors. The emergence of formations significantly weakened the killing ability of those elite warriors. Of course, if they were lone wolves, they would only have a dead end.,This is no longer the Three Kingdoms period in history, this is probably a mythical version of the Three Kingdoms period, Chen Xi thought silently.。