C153 yin and yang

"Master, right now you're in the midst of the fifth Heavenly Layer. Why don't you put more effort into this at this time?" Lin Yi immediately said.

Luo Kang seemed to know what Lin Yi was worried about, and his eyes revealed a look of gratification, then said: "Don't worry, I won't spend much energy on it. Our seventh peak's methods all require one to comprehend their own, and thus