You should know that leukemia patients, due to the scarcity of active stem cells in their blood, appear extremely weak and feeble.
If a doctor's mentality isn't sufficiently composed, a single acupuncture needle insertion, even when controlling the True Yuan inside the patient's body with Inner Strength, can lead to the patient's blood and energy flowing backward and cause their body to explode and die if the control over the Silver Needle is even slightly careless.
It was precisely because Ling Zhenfei considered these two points that he agreed to Li Ermeng and his wife's request after much deliberation.
Having gone through too many things over the past couple of days, Ling Zhenfei worried that it might affect the True Yuan within him, so he took advantage of the abundant Northern Spiritual Energy in the space during the evening to enter seclusion for cultivation, to ensure he would have enough Inner Strength for treating the child the next day.
