Yue Pengfei continued, "Only when a Professional condenses the Invisible Core, breaks through their limits, and advances to the Black Iron Tier can they manipulate the Heaven and Earth Energy using highly refined Spiritual Power or physical strength. At that time, their original Spiritual Power or physical strength will evolve into Mana or Battle Qi, and they will become a true Professional."
After listening to Yue Pengfei's explanation, a look of sudden realization appeared on Yue Lingyun's face. He asked, "Cousin, are you saying that Fang Zhou can already manipulate external energy? Doesn't that mean he already possesses Mana?"
