C15 Staring Stupefied

From the conversation between Xin Wu and Qi Qing, he had already faintly guessed Xin Wu's intentions. Even though he wanted to secretly teach Qi Qing the mental cultivation method described in the book, he could not help but ask Qi Qing in surprise, "The mental cultivation method written in the book has really been taught to you!"

"Yes sir!" Qi Qing said hesitantly.

Because of how old it was