An instant

Generally speaking, improving reaction time requires training.

Through extensive training, the body's reactions to various events can be made instinctive.

In this way, when something happens, the body can quickly take corresponding actions.

This also reveals a dark truth: humans, like animals, can be domesticated.

The most practical way for Chen Feng to improve his reaction speed is through extensive training.

However, this method has a problem: his Third Spirit Skill, Swift Thunder, cannot be used continuously. After using it once, it requires a period of recovery before it can be used a second time.

This is due to limitations in terms of Soul Power, as Soul Skill themselves have such limitations.

Such restrictions will significantly slow down Chen Feng's training progress.

Most importantly, he had many other things to do, such as summarizing previous experiments and thinking about the next course of action.

Furthermore, when Chen Feng uses the Head Soul Bone of the Silver Electric Flying Snake, his control over lightning is greatly enhanced.

While Wrath of Vengeance can enhance Chen Feng's lightning control to some extent, that is merely a side effect.

In this respect, the head soul bone of the Silver Lightning Flying Serpent is far more effective.

This also gave Chen Feng a glimmer of hope—the hope of mastering the Electromagnetic Flying Sword technique.

Therefore, Chen Feng cannot devote all his energy to reaction training.

So naturally, he had the idea of taking a shortcut.

On Earth, the essence of the human body's response to the external environment is the transmission of signals within the nervous system.

This process is mainly accomplished by neurons and neurotransmitters.

The neural signals transmitted by neurons themselves are electrical signals, while the signals transmitted between neurons are neurotransmitters, which are essentially chemical substances.

That is, chemical signals.

Whether the human body structure in the Douluo World is the same as that of Earthlings is still unclear to Chen Feng.

However, he can first assume that the two are the same and see if he can find a way to increase the reaction rate.

If the method found works, it means that the two nervous systems should be quite similar.

If that doesn't work, Chen Feng has no other choice but to keep practicing relentlessly.

From the perspective of the human nervous system, to enhance reaction speed, it is necessary to accelerate the transmission speed of signals within the nervous system.

This can be approached from two aspects: the electrical signals of neurons and the chemical signals transmitted by neurotransmitters.

Chemical signals are transmitted between neurons. Although the transmission speed of neurotransmitters is slower than that of electrical signals due to their shorter distances, it is still considerable and can be temporarily ignored.

Therefore, Chen Feng's main focus is on the speed of electrical signals transmitted by neurons themselves.

His method involved using an appropriate electrical current to stimulate his brain and upper limbs in order to accelerate the transmission of nerve signals.

In addition, even a weak electric current can stimulate nerves to release neurotransmitters, which can also promote signal transmission within the nerves.

On Earth, instruments made using this principle can also treat conditions such as anxiety, depression, and insomnia.

After initially determining the method, Chen Feng sat down cross-legged and began to experiment.

His approach this time was exactly the same as before: using the special energy of the Soul Bone to release a weak electric current.

Of course, before starting the attempt, Chen Feng also informed Tang San to prevent any accidents from happening during the trial.

Tang San had finished teaching Dugu Bo for the day and was now in a free period, so he began to protect Chen Feng.

Chen Feng closed his eyes and began his journey of human experimentation.

But just a few seconds later, he swayed and fell to the ground, his hair standing on end.

Tang San, who was standing to the side, was taken aback at first, and then very skillfully summoned his Martial Soul to use his First Soul Skill to heal Chen Feng. He then took out a pill that he had just made, which had the effect of Strengthen the Foundation and Nourish the Essence, and stuffed it into Chen Feng's mouth.

After a while, Chen Feng slowly woke up.

He was stunned for a moment before he remembered what had just happened.

Just now, Chen Feng was trying to guide the special energy of the Head Soul Bone to generate a weak current that stimulated the brain.

Because he couldn't control it properly, the current generated was too strong, and since it was generated directly in his brain, Chen Feng was instantly knocked unconscious.

"Ugh, this brain is really hard to deal with." Chen Feng clutched his head in discomfort.

He experienced something similar when he was trying to develop Cell Activation Method.

However, the current was generated on the spine at that time, and the Soul Bone from the Thousand-Year Soul Beast itself had limited strength, so the current was bearable, and apart from being shocked, nothing serious happened.

However, since Chen Feng's Head Soul Bone comes from a ten -Ten-Thousand-Year Soul Beast, and the current is generated directly in his brain, it is easy for an accident like the one just now to happen.

"What are you doing?" Tang San asked, seeing Chen Feng's pained expression.

"I want to try and see if I can improve my reaction speed," Chen Feng said.

He briefly explained his thought process to Tang San, but omitted technical terms such as neurons and neurotransmitters.

Tang San roughly understood some of it and said:

"I think it's safer to focus on training in this kind of situation."

"I know that, but I still want to see if there are any other ways," Chen Feng said.

The approach he adopted has actually appeared in some fantasy works, so he naturally wanted to try it out to see if it was feasible.

"Then you should be more cautious. It's better to go slowly than to be reckless. If you get electrocuted and become mentally impaired, that would be a great loss to the world," Tang San advised.

"Don't worry, the advantage is with me." Chen Feng sat up cross-legged again and began his attempt once more.

This time, he adopted a steady and methodical approach, gradually increasing the intensity of the current and adjusting the areas stimulated by the current.

After some time, Chen Feng finally found the most suitable method of electrical stimulation.

"I've decided to name this ability to accelerate reaction speed ' Shunatsu '," Chen Feng said with a hint of excitement after experiencing his newly developed ability.

However, his voice carried a hint of weariness.

" In Shunatsu?" Tang San asked, somewhat puzzled.

"That's right. In this state, my reaction speed is greatly enhanced, and everything in front of me seems to slow down in that Shunatsu," Chen Feng explained.

If his body can also keep up with the reaction speed in this state, then it's no different from the Shunatsu of the Word of Power.

As for Time Zero, he didn't really expect it; it was unlikely that such a heaven-defying ability would appear on a fantasy floor like Douluo.

It's very difficult for humans, at least.

After completing "Shunatsu," Chen Feng did not begin practicing Raikiri, but instead went to take a nap.

This is because "Shunatsu" has a limitation: it causes extreme fatigue after use.

After all, this is equivalent to overloading the brain, just like when Chen Feng used the Ten Thousand Year Spirit Condensing Jade.

However, after waking up, Chen Feng couldn't wait to try out the combination technique of "Shunatsu" and "Raikiri".

Just as he had thought, as long as his reaction speed kept up, the realization of the Raikiri would be a natural progression.

This also means that Chen Feng has finally mastered his Third Spirit Skill.

Although "Shunatsu" will consume a lot of his energy, this situation should gradually improve as he becomes stronger.

By then, "Shunatsu" will become one of his regular skills.

As the days went by, a month quickly passed.

During this month, Chen Feng completed a summary of the Soul Bone experiments and put forward some more conjectures.

In addition, he also began experimenting with Electromagnetic Flying Sword.

Unfortunately, Chen Feng has made little progress in controlling the change of current to generate an electromagnetic field.

Although the Silver Electric Flying Snake Soul Bone enhanced Chen Feng's control over lightning, it was still a long way from achieving complete mastery.

However, Chen Feng was not discouraged. He had always considered Flying Sword a problem that required long-term solutions, so he did not take the current failure to heart.

After all, it's Flying Sword, so it's understandable that it's more difficult.

Some distance from the shore of the Ice and Fire Yin Yang Well, Tang San was intently staring at the Copper Cauldron in front of him.

Chen Feng stood closer to the spring, also observing the Copper Cauldron, while Dugu Bo stood beside him.

The Copper Cauldron was currently placed above a blazing Fire Spring, its bottom slightly touching the Fire Spring, and was being heated by the heat of the Fire Spring.

If it were just an ordinary Copper Cauldron, even the slightest contact with this scorching Fire Spring would quickly turn it into molten bronze.

However, the Copper Cauldron cauldron Tang San is currently using has been coated with a type of herb that grows near the Ice Spring, which is why it can barely withstand the temperature of the Fire Spring.

At this moment, faint purple smoke was continuously rising from the gaps in the lid that sealed the Copper Cauldron.

None of the three showed any change in expression in the face of this situation, because they all knew what was being refined inside.

The purple smoke rising from the Copper Cauldron condensed above Copper Cauldron without dissipating, swaying slightly. Anyone who saw this scene would instinctively sense a danger emanating from that purple smoke.

That's a biological instinct.

However, Dugu Bo did not feel this way, which means that the toxins refined in the Copper Cauldron were not life-threatening to him.

After all, his Martial Soul is the nine-headed venomous snake Xiangliu, a walking venomous calamity.

However, Dugu Bo did not underestimate the poison Tang San was refining, because he knew very well that if he were before his Martial Soul Evolution, it was hard to say what would have happened if he had encountered this poison.

He had already heard Tang San explain how this mixed poison called "King of Hell's Sticker" was made.

During this period, they continuously explored the pharmacological properties of the various ingredients in King of Hell's Sticker medicine plaster), attempting to study its basic principles.

However, they soon discovered that this was impossible, even Tang San knew about the King of Hell's Sticker but not why it worked.

Therefore, Dugu Bo had no choice but to settle for second best and try to plan his Nine-Headed Serpent based on the various components of the King of Hell's Sticker.

He already had some initial ideas about this matter, and the Simulation experiments using the local herbs had yielded promising results.

However, we'll have to wait until the second head of Dugu Bo's Martial Soul grows out to see the final outcome.

Tang San's expression was more solemn than ever before, as he stared intently at the Copper Cauldron and the purple smoke rising from Copper Cauldron.

As time went by, the purple smoke on the Copper Cauldron became thinner and thinner, and at the same time, its color changed from purple to white, and then from white to black, undergoing a strange process.

During this process, Chen Feng used the Tai Chi Bagua Sword to open the cauldron three times, and then added some medicine under Tang San's guidance.

Only Chen Feng, who has consumed both ice and fire immortal Immortal Herb and possesses Water and Fire Impervious Body, can complete this task.

Dugu Bo stood beside Chen Feng, using his Poison Cultivation to protect Chen Feng from the toxins inside the Copper Cauldron.

The process of refining the King of Hell's Sticker was extremely long, but none of the three felt tired.

As the black smoke above the Copper Cauldron gradually subsided and was slowly drawn back into the Copper Cauldron, Tang San suddenly stood up and said with excitement in his voice:

"Success!"

"Should we just bring the Copper Cauldron up directly?" Chen Feng asked.

"Yes, bring it up first, but be careful not to open the lid," Tang San said.

Chen Feng nodded, then carefully did as instructed.

After the Copper Cauldron was brought ashore, it gradually cooled down. Once it was completely cooled, Tang San stepped forward and carefully lifted the lid.

At this moment, inside a small metal mold placed in the center of the Copper Cauldron, lay three small needles, each only an inch long and entirely black.

The area around it was covered with dried marks, which must have been the residue from the dried medicine.

"Is this the King of Hell's Sticker?" Dugu Bo asked.

"That's right, the Soul Chasing Life Taking King of Hell's Sticker." Tang San carefully took out the mold, then took out a jade box he had prepared beforehand from the Jade Snow Ice, and poured the three King of Hell's Sticker into the three grooves in the box.

"It's a mixed toxin capable of killing Titled Douluo," Tang San said seriously.

"But the problem is," Dugu Bo said with a strange expression, "How can this little thing break through Titled Douluo's defense?"

"Of course it was a sneak attack; this wasn't a weapon meant for direct confrontation," Tang San explained.

"Surprise them, attack where they are unprepared; even the strongest cannot maintain a defensive posture all day long," Chen Feng said from the side.

"That's exactly what I mean." Tang San nodded.

"Hmm," Dugu Bo stroked his chin, a thoughtful expression on his face.

"Speaking of which, Old Poison, it's about time we went back to the Academy," Chen Feng suddenly said.

Over the past month, their relationship with Dugu Bo has truly become familiar, rather than the past friendship based on helping and being helped.

Therefore, Chen Feng and Tang San called Dugu Bo "Old Poison," while Dugu Bo called them "Little Monster."

"It's time for you three Little Monster to go back," Dugu Bo sighed softly.