At this moment, what Lin Cheng handed to Zhang Zhen was a mental cultivation technique called "Sting Dragon".
As the name suggested, after using it, one would enter a state of sleep without any consciousness or thoughts, just like a divine dragon resting in hibernation.
As long as he circulated this mental cultivation method, he would be able to reproduce the miracle that had happened to Zhang Zhen. The loss of vitality would be reduced to an undetectable level along with the circulation of the mental cultivation method, allowing him to live for a long time.
This was the final result of Lin Cheng's three years of failure and solving countless problems.
If it wasn't for Lin Cheng's wisdom that had accompanied his martial arts cultivation, his spiritual realm would have been elevated countless times.
Forget about three years, even if he spent 30 years, he might not be able to solve the various problems he had encountered in the past.
Everything was gathered in this mental cultivation method that only had a few thousand words.
This was not only the result of Lin Cheng's painstaking efforts, but also the most important part of Lin Cheng's plan to harvest the world.
In theory, the effect of this mental cultivation method had already reached perfection. It could reduce the loss of vitality to 1(365 of the normal state in a deep sleep, and could even continue to sleep.
What was missing was the final experiment.
Although Lin Cheng had enough confidence in this mental cultivation method, he still decided to let his most powerful tool test it out to see if there were any adverse consequences that he had not noticed.
In fact, from the beginning of this [Sting Dragon] mental cultivation method to its completion, Zhang Zhen had already become a tool for testing the mental cultivation method many times.
"Alright."
Zhang Zhen promised Lin Cheng.
Without any hesitation, he took the mental cultivation method and began to read it seriously.
Zhang Zhen was captured by Lin Cheng with powerful martial strength and even placed a powerful restriction on him. It could be said that his life and death were in the hands of others.
Under such circumstances, even if Zhang Zhen knew that Lin Cheng was using him as a tool, he had no room to refuse.
In fact, Zhang Zhen did not want to reject Lin Cheng at this moment.
Regarding the birth of the "Sting Dragon" mental cultivation method, Zhang Zhen's expectations were not inferior to Lin Cheng's.
It was precisely because he was a tool to help Lin Cheng experiment with the mental cultivation method that no one knew the powerful effects of this mental cultivation method better than him.
Although Zhang Zhen was already in his eighties, as a legendary expert, he had only lived for half of his life.
If the effect of the "Hiding Dragon" mental cultivation method was really that powerful, he would be able to follow Lin Cheng and sleep for thousands of years in the future to find an opportunity to live forever.
For anyone in this era, this was a great research that could be said to have opened up the world.
Zhang Zhen asked himself, let alone a few years to develop this technology, even if he was given a few hundred years, he might not be able to think of doing this.
Therefore, he was only a Legendary expert, while Lin Cheng was the strongest martial arts legend in history. His martial arts had even reached the realm of a Land Deity.
It was precisely because he understood the significance of this research and the gap between him and Lin Cheng.
Therefore, Zhang Zhen was now completely convinced of Lin Cheng. He put down his previous contradictions and had a heartfelt respect for Lin Cheng.
No matter what Lin Cheng demanded, he would not slack off and give it his all.
Soon, Zhang Zhen had finished reading and understood the entire mental cultivation method.
He only had a rough idea of the principles of the mental cultivation method and could not find any problems in this aspect. However, as a legendary expert, he had no difficulty in using all kinds of luck routes.
It was impossible for Zhang Zhen to improve the mental cultivation method, but it was completely possible to use it.
"I've finished reading it. There's no problem.”
At this moment, Zhang Zhen raised his head and spoke respectfully to Lin Cheng.
"Then let's begin. I'll protect you and ensure that even if there's a problem with the mental cultivation method, it won't endanger your life.”Lin Cheng nodded and promised.
He was a person who remembered old friendships.
In the past three years, other than being a little passive and slacking off at the beginning because of his unwillingness, Zhang Zhen had done his best to help him with his work.
Lin Cheng saw his hard work and naturally wouldn't let him do something that would definitely kill him.
He was very sure that even if there was a problem with the current version of the [Sting Dragon] mental cultivation method, it would at most cause Zhang Zhen to be injured and not die.
"Set the freezing time to 24 hours a day, and then unseal it on time.”
Zhang Zhen read the mental cultivation method again.
After confirming that there was nothing wrong, he went straight to the ice bed at the side and lay down. Then, he closed his eyes and began to circulate his mental cultivation method.
Lin Cheng's spiritual force covered Zhang Zhen's entire body, carefully observing every change that would happen to him.
Zhang Zhen had a feeling about this.
Any martial artist whose martial arts had reached the level of a super-first-class martial artist would be able to burst out all of their blood and Qi to repel this kind of peeping from the spiritual level.
However, Zhang Zhen did not do so. He chose to cooperate with Lin Cheng's observation and restrained the aggressiveness of his blood essence and spirit.
Lin Cheng's spirit could see that with the circulation of the "Sting Dragon" mental cultivation method, an extremely terrifying coldness began to appear inside and outside Zhang Zhen's body.
The coldness was only accumulating, but it didn't unleash its power. It was restrained by Zhang Zhen's inner breath.
When the accumulation reached a certain level, Zhang Zhen's consciousness released all the restraints on the ice. Extreme cold spread wildly inside and outside Zhang Zhen's body.
In just an instant, Zhang Zhen's entire body was frozen.
From Lin Cheng's perspective, Zhang Zhen had already turned into a human-shaped ice sculpture. Even the air around him was frozen into ice cubes that kept falling down.
In Lin Cheng's perception, there was still a weak inner breath flowing in Zhang Zhen's body.
He was still alive, but the loss of his vitality had been reduced to an undetectable level.
This state lasted for an entire day. Lin Cheng's observation also lasted for an entire day.
Lin Cheng realized that Zhang Zhen's vitality consumption was only 1(365 of the normal level.。
In other words, up to this point, the mental cultivation method was still correct.
Next, it would depend on whether Zhang Zhen could successfully unseal the seal and recover his body.
When the scheduled time arrived, Lin Cheng began to clearly feel the inner breath in Zhang Zhen's body begin to become active.
The neixi was formed by the condensation of the human body's essence, qi, and spirit.
As the owner of the neixi, before losing consciousness, he could naturally set the operation method of the neixi in it, so that it could complete the predetermined tasks according to its instincts.
This neixi flowed to Zhang Zhen's brain, causing his consciousness to begin to awaken.
As Zhang Zhen's consciousness awakened, the coldness that had frozen every cell in his body was instantly bound by his consciousness and integrated into his inner breath.
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