"External Force... External Force..."
Chu Mu pressed his lips together, but Old Li's words surfaced in his mind once more.
Cultivation was, from the very beginning, the process of taking external force into oneself.
Chu Mu knew nothing of extraordinary beings at a higher level, but this sentence had laid bare the essence of Qi-Blood cultivation.
This day-in, day-out painstaking effort also relied on external force—on a Medicinal Bath taken once every few days, and on the vital essence absorbed from meat and vegetables eaten at every meal.
The human body's own workings also relied on external force. Without external force, humans could not exist.
Just as Old Li had said, external force was precious, and knowing how to make better use of it was even more important.
What Chu Mu was placing his hopes in now was clearly this, and he was preparing for it as well.
That was precisely why he had gone into the mountains several times to gather herbs.
Medicinal Materials were precious, and with his current financial means, he clearly could not afford them.
After all, he was not copying an answer placed right before him. He had to discard the old and bring forth the new, pursuing a more correct answer through experiment after experiment.
He took a folded sheet of white paper from his robes and spread it open in his hands. Three medicinal formulas came into Chu Mu's view.
These three Medicinal Formulas were the auxiliary formulas for cultivation recorded in the Body Forging Art.
According to the book, all three formulas were used to assist in cultivating the Body Forging Art. As the book described it, regular use of a formula would inevitably see its effects gradually weaken as drug resistance appeared.
The three different formulas merely provided substitutes after drug