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"Take off your cultivation ring and move your body, and start when you're done warming up. Pen? Interesting? Pavilion wWw. ｂiquge。 ｉｎfo”

Sasuke nodded, threw the cultivation ring aside, and then began to prepare, after all, the cultivation ring is not exactly equivalent to a weight, as soon as you take it off, you can restore the original function of the body, but a microgravity field that will last for a period of time, and at the same time, the muscle tension also needs to recover for a while.

Taking advantage of Sasuke's time to move his body, Iruka wanted to test the idea just now.

After remembering the seal, Iruka's sealing speed was a little faster, but the sealing speed of one seal in four seconds still made Sasuke not far away stunned, and he couldn't understand why Iruka "deliberately" knotted such a slow seal.

However, the next moment, Sasuke's eyes suddenly widened!

I saw that after the Iruka seal was completed, he took a deep breath and spit it out.

Fire escape, the art of fireball!

Boom Boom Boom Boom !!

Two huge fireballs suddenly formed around Iruka's mouth, and the next moment, the fireballs rushed forward with a scorching wave of fire, leaving a scorched black rut mark on the ground at an ultra-high temperature, and finally the two fireballs suddenly burst open at a distance of more than ten meters, swinging out a large cloud of gravel and dust, and the violent wind pressure made Sasuke, who was ten meters away, have to lie on the ground to resist so as not to be blown away!

"Good...... It's so strong!! ”

Sasuke looked at Iruka who had been motionless since the cast, and at the same time he was puzzled, the introduction of Iruka just now recognized him, it was definitely the most commonly used fire escape ninjutsu of the Uchiha clan - the seal of the Hao Fireball Technique, and he himself would do it, but he had never heard that the Hao Fireball Technique could divide three fireballs, and even explode, which simply subverted his perception of this technique!

However, what he didn't know was that Iruka's face under the long bangs that he had put down was completely confused.

What the hell, the gap between the front and back is too big?!!!

Iruka reviewed the situation when he used ninjutsu just now, and the amount of chakra he had accumulated did not increase at all, but he used his ability to control the flow of chakra to the point where he cast the technique, and then directly launched ninjutsu, but he didn't expect such a strange effect to appear!

Why is that?

Iruka gradually came back to his senses, and then frowned and thought deeply, the principle must be clarified, after all, there will be corresponding risks in using any kind of technique, the greater the power of the technique, the greater the risk, he doesn't want to be inexplicably eaten by the risk of the technique, and if you want to develop a new way of fighting, you must figure out the principle of ninjutsu.

According to the knowledge about ninjutsu that I saw in the library before, the power of general ninjutsu is proportional to the amount of chakra and chakra control, and the same ninjutsu will have different effects when used by different people, such as the doppelganger technique, people with good chakra control can divide several doppelgangers, and the poor ones can't even distinguish one.

Then, the clue is in the amount of chakra and chakra control used for spelling, if the chakra is controlled, under the control of the force field, every trace of chakra will accurately converge to the designated position, although it cannot be maintained for a long time because of the dual-purpose relationship, but it must be enough to use ninjutsu, and improve the control of chakra by using the ability to trick it, he should be no different from others.

As for the chakra for the spell...... Kindness? How much chakra is used to administer the operation?

A thought flashed through Iruka's mind.

When someone else mobilizes chakra to perform the operation, is the actual amount of chakra used for the operation really equal to the amount of chakra transferred?

Thinking of this, a term gradually came to Iruka's mind-

Utilization rate!

That's right, if there is any difference between him using his ability to enhance Chakra's control and others directly controlling Chakra with minds, it is that the Chakra he controls will definitely not be wasted, and he will 100% gather Chakra to the designated point, and when he casts the spell, he can also convert all the condensed Chakras into the corresponding effect, but others may not.

Even if the shinobi with good chakra control can not waste when mobilizing the chakra as much as possible, when the chakra is cast, since the chakra is outside the body, the control will inevitably be reduced, and it will inevitably cause waste, and the actual chakra amount applied to the operation will be less than the condensed chakra amount.

If you think about it this way, it makes sense that you can use chakra 100% to cast spells, and quantitative changes cause qualitative changes, and the ninjutsu you perform is different from others!

Although the use of the ability to control the chakra itself is the use of ability, that is, a certain amount of chakra needs to be consumed, but compared to the waste caused by the ridiculously poor control of the chakra with the direct control of the spirit, it is not worth mentioning at all, and more importantly, the power of ninjutsu has simply made a qualitative leap, even if it is worth it when using more chakra than others.

After thinking about it carefully, he felt that there should be nothing missing, Iruka suddenly stopped thinking, and at this moment, Sasuke's expectant voice suddenly came from the side:

"Iruka-sensei, what kind of art is this? Can you teach me? ”

Hearing this, Iruka suddenly scratched his head, and said with a somewhat embarrassed face:

"This ...... It's my unique ninjutsu that no one else can learn. ”

Sasuke's little face showed a look of disappointment, and he said quite unwillingly:

"Is it the Blood Inheritance Limit?"

Although she didn't understand what the Blood Inheritance Limit was, Iruka nodded without knowing how to pretend to understand.

"Pretty much."

To be honest, it's not that Iruka doesn't want to teach, but he can't teach it at all, because the premise of using this technique is that he must have the superpower of [Force Field Control], and use his ability to accurately control the flow of chakra, if Sasuke can control the force field, he doesn't have to teach it himself, he will naturally understand.

Seeing the disappointment on Sasuke's little face gradually deepening, Iruka suddenly had a headache, this kid's thirst for power seemed to be stronger than he imagined, which was naturally a good thing for him with outstanding qualifications, but if he was too eager, it was likely to get the opposite result.

But it's good to know this kind of thing, and if you say it clearly, it will stimulate this little boy who has taken on a revenge mission with his thin shoulders.

"Don't be disappointed, there are so many ways to become stronger, and it's not just one way to learn a strong ninjutsu, the one that suits you is the best, even if you can learn my technique, you may not be able to become stronger than that guy."

Hearing this, the look of disappointment on Sasuke's face was suddenly swept away, and he looked at Iruka expectantly:

"Iruka-sensei, is there any way I can become stronger than that man?"

Hearing this, Iruka's face froze, he and Itachi had only fought once strictly speaking, and he only had a general idea of his strength, although he had only been in this world for two days at that time, and he basically didn't understand what Chakra used, but he also had the existence of [Force Field Control], an SSS-level superpower, and being able to stalemate with him was enough to show that Uchiha Itachi's strength was extraordinary.

And he can't see the details of the opponent in a fight, God knows what hole cards the weasel didn't use, so he couldn't judge the strength of the weasel at all.

"Well, probably, but it will take a long time of hard cultivation."

Iruka gave an ambiguous answer, but it was only this half-baked answer, which still made Sasuke excited.