C2706 He Had Accumulated a Lot of Experience

It wasn't difficult for Lu Yu to understand it.

Right now, Northern Ocean Ancestor was using the enlightened mantra to teach Lu Yu a lesson.

This was the mantra that Zhuang Sheng had bestowed upon his direct descendant. It was a mantra that he had personally told him. It contained countless insights about Zhuang Sheng's Great Dao, and it was extremely precious