The Black Domain Project has been officially established in the 40th year of Konoha since the successful reform of the Lei Luo Law and the beginning of the peaceful evolution of the three families of pigs, deer and butterflies led by Nara, until the current 46 years of Konoha and has been developed for six years.

Throughout the development process, there were a total of three or four great ninjas, high-end talents such as Orochimaru, and countless elite ninjas participated, and at some peaks, the number of researchers even reached hundreds.

The reason why it is necessary to spend so much resources to develop the Black Domain lies in Lei Luo's next step in the construction of his own power system, that is, nuclear energy and nuclear weapons derived from the dust.

The human body is obviously unable to resist the power of the nuclear explosion head-on, even if Lei Luo's magnetic field is rotating, all kinds of high-temperature and high-pressure shock waves and thermal kinetic energy radiation are enough to destroy his body.

The short and continuous release of high-energy rays, plasma, and radiation dust and radioactive elements that spread over a radius of several kilometers, or even tens of kilometers, Lei Luo could not keep himself untouched for a long time.

All of his abilities, including counter-current, sometimes deleted, and sometimes stopped, either last too short or need to rely on physical activation, and if he faces a nuclear explosion, he may not be able to escape the blast area.

Therefore, if you want to use nuclear weapons and use them as a means of attack, you must first prevent them from being counterattacked, and if you do not use nuclear weapons in a unit of time, it is easy to cause a very troublesome situation.

Thus, the Black Domain came into being.

The original idea of this ninjutsu was put forward by Lei Luo, who saw the extreme superiority of the Flying Thunder God Guiding Thunder in defense, so he thought of developing it in depth to achieve the degree of 360 degrees without dead ends to resist external attacks.

Among them is a nuclear explosion.

With this guiding ideology, the ninjas of the scientific research institute began to get busy, and many high-end talents were absorbed, not to mention all kinds of research processes and busy processes.

In short, after one arduous experiment after another, the shadow secret technique of the Nara clan and the Liangyi seal of the Uzumaki clan gradually entered the field of vision of the researchers.

Using the Flying Thunder God Guiding Thunder as a bridge to communicate the connection between the shadow and the shadow domain, and to transfer external energy in real time - this genius idea was first proposed by Orochimaru, and then everyone began to use this idea as the direction of struggle.

Judging from the results so far, Lei Luo felt that the development direction of the Black Domain project should be correct, and the sight of the Vortex Ninja absorbing the kinetic energy of his fist obviously proved that the Flying Thunder God Guiding Thunder was indeed working.

But the space ninjutsu is very talented, and Konoha has no other secret techniques to refer to except for a flying thunder god's technique, so the restrictions of the black domain are still very large, which is specifically reflected in a problem of amplitude.

To summarize simply, the connection between the Flying Thunder God Guiding Thunder and the Shadow Domain is not close, and the energy that can be transmitted per unit time is limited......

will quickly drain the caster's chakra, eventually resulting in death.

"Wait for a thousand hands to come over, let him try to see if he can solve this problem, and ......"

waved at Uzumaki Hao, and after the other party came over, Lei Luo took out the "anti-Lei Luo device" from his arms and handed it to him, and at the same time explained his purpose, and then instructed:

"This thing, give me the fastest way to figure out the principle, and then figure out how to deal with it."

"If you don't understand, just ask the Thousand Hands, I have only one request, that is, when the enemy takes out this thing on the battlefield, I will not be affected."

Uzumaki Koichi nodded solemnly, seeing that Lei Luo had nothing to say, he hesitated for a moment, but he still settled down and asked:

"Hokage-sama, would you mind experimenting now? I'd love to see how this thing works, and to accumulate a certain amount of data for subsequent research work. ”

Glancing at Koichi Uzumaki in surprise, seeing that the other party's eyes were firm, and there was a seriousness in his eyes that belonged to a researcher, Lei Luo didn't think too much, so he nodded and agreed.

In the next time, Koichi Uzumaki activated the "Anti-Lei Luo Device", and Lei Luo used an electromagnetic escape at the right time, controlling the silver electricity to cover his whole body, and the surrounding ninjas took up pens to record the reaction.

The intermittent experimental process lasted for an hour, and when the diffuse cyan gas dissipated in the laboratory, Lei Luo also sat on the ground a little tired, clenching his fists from time to time, and then releasing them.

"Hokage-sama, I probably know what's going on."

As soon as Uzumaki Koi walked up to Lei Luo, he just said a word, but he seemed to feel that he was being left out, and he spoke before him:

"It's airborne, right? The cyan gas released by this thing was, in a way, similar to a neurotoxin, but it was probably not adulterated with poison, but some kind of wind-attribute chakra concentrate. ”

Lei Luo looked up and swept away Beiliuhu, then lowered his head again.

"Go on."

He glanced at Koichi Uzumaki proudly, and when he saw the surprised expression on the old researcher's face, he withdrew his gaze, coughed lightly, and slowly explained his judgment:

"Hokage-sama, the enemy's thinking is actually very simple, they know that your electromagnetic escape is related to the thunder attribute, and with the principle of attribute restraint, they have come up with a way to use the wind attribute to suppress the thunder attribute, and then suppress the electromagnetic escape."

"Using the high-density, high-purity wind attribute chakra, by means of airborne transmission, this gas can come into contact with your skin, which can affect the blood relay in your body, causing blockage and disrupting the reaction."

"I have to say that the person who made this thing does have some ability."

Finding that Beiliuhu seemed to be a little carried away, Lei Luo couldn't help but snort heavily, and stood up suddenly, making the former subconsciously tremble, and quickly put away the superior expression on his face.

"Tell me about your plan."

Beiliu straightened his face and replied without hesitation:

"Two ways to cut off the hidden danger at the source, or to prevent the skin from coming into contact with the air."

The first method, Lei Luo directly did not consider it, after all, I don't know how many "anti-Lei Luo devices" the enemy will make, the battlefield is so chaotic, how can he have time to destroy them one by one?

And the second method......

"Do you wear chemical suits or something?"

With a slight twist of his brows, Lei Luo thought that when he went to the battlefield in the future, he would have to wrap it into zongzi and bring an oxygen tank, and he felt uncomfortable in his heart, and soon ruled out the second method.

After the magnetic field rotation is activated, he carries great power with every punch and kick, how can he not cause damage to the chemical protective suit? The battle was too fierce, and it was obvious that the clothes could not be kept intact.

The two options are not feasible.

"Is there any other way?"

As soon as he asked, before Beiliuhu and Uzumaki Koichi could answer, another voice sounded in the field, and his voice was cold and serious:

"Isn't the Black Domain you just talked about good? Why not give it a try? ”

Everyone looked sideways, and saw a white-haired middle-aged man in blue armor pacing in, which was between the thousands of hands.