Chapter 70: Chapter 67 Teaching the Black Heaven Book

"Borrowing someone else's Inner Strength?" Feng Jiu exclaimed.

"Indeed, I have precisely such a cultivation technique that requires borrowing another's Inner Strength to cultivate," Qing Yu spoke with a hint of intrigue in his eyes.

"But my meridians cannot withstand external Inner Strength."

"It's different. This cultivation technique does not cultivate what most people recognize as meridians," Qing Yu shook his head and continued, "Ordinary people cultivate through what I call Visible Meridians. However, besides the ordinary meridians, the human body possesses thirty-one Hidden Meridians, which differ completely in nature, hence their name.