"What you're about to say next, does it have something to do with Taiyin?" Li Zhirui seemed to realize something and immediately spoke.
"Father, what did you guess?" Li Chengshuo was somewhat surprised, but considering his past insights, it felt reasonable.
Li Zhirui sighed and said, "The Taiyin Moonlight within your body—after all these years, it began by cleansing the foundations for both you and Yue, Howling Moon, and then helped you break through two major realms, yet it hasn't diminished in the slightest. This is enough to explain the reason."
He hadn't noticed this earlier; otherwise, he would've realized it much sooner.
"I suspect you had already noticed something unusual, which is why you concealed the Taiyin Moonlight within your body all this time, unwilling to let others discover it."