The elder doctor had taken the Earth Vein Spirit Liquid, his vitality thrived within him, his body was in perfection without leaks, and his Qi Acupoints had already loosened.
Thus, after he found the door to the Qi Acupoints, he easily opened them and established the Qi Acupoints.
The newly established Qi Acupoints were still fragile and in an unstable state.
At this point, it was necessary to utilize the power of the Divine Soul to carefully polish and thoroughly stabilize them.
It was a painstaking effort, demanding high stability of the Martial Artist's heart and spirit.
A slight impatience or excessive force could likely damage the Qi Acupoints.
In such a case, even if one still managed to advance to the Innate Realm eventually, it might affect the foundation, making further progress difficult, trapping one in the Initial Innate Realm.