C776 The Department of Investigation Services

Jiang Fann looked at Tang Xiu and hesitated for a moment. He asked, "Instructor Tang, is the Qi in this Hard Qigong fake or real?"

Tang Xiu smiled and said, "It's fake, but it's also real. It's the same as breathing oxygen and breathing carbon dioxide."

"All the gas that we move is just gas in the air! It's just that by using our breathing method