People who practiced martial arts had 360 acupuncture points. These acupuncture points had to be matched correspondingly. When cultivating the “Great Empress Heart Sutra”, both the man and the woman had to allow free flow between their acupuncture points.
This meant that contact between their bodies could not be avoided. If they transmitted Yin and Yang energy through empty space, it would still work, but there would be a lot of transmission loss.
One had to know that when cultivating martial arts, especially when cultivating a top-grade cultivation technique like the “Great Empress Heart Sutra”, one could fail even if he tried his best. Failure could happen easily, so everything had to be done to one’s best…
Seeing this description, Lin Xintong had a strange feeling in her heart, however she was naturally calm and cool. Previously, when she understood the essence of the “Great Empress Heart Sutra”, she already had some expectations and she was mentally prepared.
Besides, Lin Xintong already treated Yi Yun as a lifelong friend. She could still accept such things.
However, when she flipped over to the second volume of the “Great Empress Heart Sutra”, the cultivation technique went one step further.
At this moment, both the man and the woman who were cultivating, had to constantly purify the Yin and Yang energy within their bodies. What was already pure Yin and Yang Yuan Qi had to be purified once again, which was a qualitative change.
According to the “Great Empress Heart Sutra”, when pure Yin accumulated to an extreme, it could give rise to a life that would have a spirit.
When energy formed a spirit, it was no longer something trivial. It meant that it had a life of its own. It was on a different level to the natural laws.
Taking the Purple Crystal as an example, the Purple Crystal could freely control energy that did not have any life. But against energies with life or spirit, no matter how powerful the Purple Crystal was, it could not rob it from them freely.
The ancient Great Empress had named this spiritual pure Yin energy the ‘Jade Marrow Spiritual Energy’!
Similarly, the pure Yang energy which formed a spirit was named by her as the ‘Nine Yang Spiritual Energy’.
The Jade Marrow Spiritual Energy and Nine Yang Spiritual Energy were the essence of the “Great Empress Heart Sutra”.
When the male-female duo, who were cultivating the “Great Empress Heart Sutra”, produced these two energies, they had to transfer it to their partner before they could carry on cultivating.
However, controlling these two energy with spirits was extremely tough. Although Yin and Yang had a mutual attraction, they were after all, opposites. It needed constant guidance to merge them bit by bit.
When the energy had life, it also meant they were sentient. It needed the two energies to come into contact, and let them accept one another. However, this was extremely difficult.
At this moment, just being in contact through palms and acupuncture points was useless.
To let these two energies come into contact and cling together, it needed a further step, such as energy transference through their mouths. It even needed the two to be naked, and it might even need them to hug without any clothes separating them.
Upon seeing this, no matter how calm Lin Xintong was, she was no longer able to read it calmly.
Her chest began to rise and fall. A redness began to slowly appear on her jade snow-like face, spreading all the way to her ears.
Yi Yun was standing beside Lin Xintong, and he happened to see Lin Xintong’s red ears.
Her red exquisite ears were so beautiful that one could not help but love them.
He realized that although Lin Xintong seldom spoke or laugh, she had an interesting and cute side to her.
Lin Xintong actually seldom turned red from embarrassment. Even though she had previously been in close contact with Yi Yun at the hot springs, to Lin Xintong who had never been in a relationship, it was definitely something preposterous. However, Lin Xintong only had a faint redness on her face then.