Chu Nan's idea is quite wonderful, but in practice, the difficulty can not be described by words at all.

there is a peaceful world in the body. When Chu Nan is operating in an orderly way, Chu Nan has a tolerance limit. If Chu Nan can bear the limit, he can move forward. If he can't bear the backfire brought by the limit, Chu Nan will be seriously injured, even worse than the serious injury.

now, the internal world is chaotic. It takes a lot of effort for Chunan to make it work a little bit. Especially, the chaotic internal world can provide him with little energy.

then, after a...