Xia Chen learns a lot of secrets about practice from the population of Guixian. He even knows the way of insight. However, the way of insight is an example and it is not suitable for other practitioners at all. Even if he was so absorbed in Kendo as Chun Gong-tzu, he has gone through tens of thousands of years, because the puppet body can live for such a long time to achieve today's achievements.

But even so, he hasn't become a true spirit. He still needs three swords in one, maybe only one step, but this step is different from the world, and he doesn't know when he can step...