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"Whew~ I've been busy with this and that lately, and I can finally cultivate with peace of mind. Pen? Interesting? Pavilion wWw. ｂiquge。 ｉｎfo”

After separating from the imps, Iruka followed the direction of the Rift Valley to a waterfall, threw his backpack into the grass next to it, and then closed his eyes and stood motionless on a huge rock, quietly listening to the sound of water falling from the waterfall not far away, and gradually calming his heart with the sound of nature.

Iruka is used to calming his heart before starting to cultivate, and then concentrate on completing the purpose of cultivation, after all, his cultivation method is very different from others, ninja cultivation is nothing more than several aspects, physical arts, ninjutsu, chakra control, chakra nature changes, new art development or something, and Iruka's cultivation is mainly the use of superpowers, which involves the level of the soul, and it is impossible to fully perceive the spiritual realm if the mind is not quiet.

In the form of the force field manifestation of [Spiritual Domain], [Chakra] is a supernatural power, and achieving the purpose of [Force Field Control] is the basic process of Iruka's current ability to use, and the spiritual domain is a deep imprint of the soul and cannot be changed, so the value of the superpowered person will be determined the moment he awakens his superpower.

If the manifestation of the spiritual realm is judged to be low-level, then the value of that super-powered person is low-level, which has nothing to do with hard work, and is completely determined by individual talent, so the world of superpowers has always been full of cruel realities.

Iruka is undoubtedly lucky, when the manifestation of the spirit realm is determined to be a force field, he is defined as the most powerful superpower person since the development of superpowers, and with the strongest ability to control the force field, he has not lived up to the expectations of the researchers, and the power he has grown up to directly threaten the entire world!

Although he eventually perished because of the targeting of the whole world, the power that could threaten the survival of the world was still retained with his rebirth, engraved in the deepest part of his soul.

Although he doesn't have the telekinetic force field that has been developed to the extreme, and only chakra is used as a substitute, it doesn't matter, as long as he can still control the mental field, he can't be a weak person.

And what needs to be done now is to cultivate Chakra to the point where it can perfectly support the power that can shake the entire world, just like the previous life did when it developed the mental force field.

But before we can do that, there's one thing to be clear about.

"Hmm...... After so many runs of the blue chakra use ability, the amount of colorless chakra should be increased to the level where it can maintain the normal activities of the body, so ......"

That's right, before refining the chakra, it is necessary to figure out the nature of the colorless chakra, intuitively, Iruka feels that the colorless chakra can bring a huge improvement to himself, even if there is no specific effect, even if it no longer affects the refining of the blue chakra, so that the blue chakra can perfectly support the operation of the force field control, Iruka is very satisfied.

After all, although Blue Chakra will not be disturbed by the colorless Chakra when he uses ordinary ninjutsu, with his pure use of mind control Chakra's control, let alone A-level ninjutsu, if he doesn't use his ability, he can only make a small flame that can be extinguished with a blow of the C-level Hao Fireball Technique.

He doesn't have any talent for pure ninjutsu at all, and he must use his ability to use ninjutsu normally, which also discourages his original plan to cultivate ninjutsu to improve his strength first, and then slowly study the colorless chakra in the future.

Because even if he can enhance the blue chakra, it still doesn't make sense if he can't use ninjutsu, after all, the speed of the colorless chakra enhancement is faster than the speed of the blue chakra enhancement, unless he doesn't use the ability all the time, but that's absolutely impossible.

As far as the results are concerned, he still has to rely on superpowers to eat.

Therefore, the purpose of this cultivation is to thoroughly understand the specific nature of the colorless chakra, and only by understanding the nature of the colorless chakra can we determine what to do next.

Through the experience of previous cultivation, Iruka has come to a conclusion, that is, when the ability to use the blue chakra will inexplicably increase the strength of the colorless chakra, originally this is a defect in the ability to use the blue chakra, but on the other hand, if the colorless chakra has the nature of the blue chakra, that is, it can replace the chakra, then it is no longer a defect, but a good thing.

Make an assumption, if the colorless chakra has the nature of the blue chakra, when the blue chakra is consumed only by ninjutsu, the colorless chakra will become dominant and become a force that can be called at any time, then it is equivalent to him having a certain amount of chakra more than others, and this chakra can be enhanced by using the ability of the blue chakra, as long as the ability is not used, this colorless chakra will be very peaceful, and coexist with the blue chakra in the body.

In other words, he will get a brand new chakra, completely overcoming the problem of chakra quantity shortcomings.

Of course, the premise is to first figure out the nature of the colorless chakra, otherwise everything is nothing.

Iruka took a deep breath, then suddenly clasped his hands together and concentrated on mobilizing the chakra in his body, and the next moment, a blue curtain of light gradually appeared around his body.

"Drink!"

Just like last time, after a certain amount of chakra was withdrawn from the body, Iruka let out a light sigh and quickly pressed the chakra outside the body into a fist-sized high-concentration chakra ball through the blue chakra activation ability, and then controlled the chakra ball to levitate in midair.

Last time, he didn't use the spare chakra of the chakra ball because he was completely unconscious, but this time Iruka is confident that he can complete his cultivation without losing consciousness, and extracting the chakra is the fastest way to consume the chakra, killing two birds with one stone.

When the chakra ball was still in the air, Iruka's face was covered with fine sweat, but it was not as tired as last time, which was obviously abnormal, because chakra is one of the main energies to maintain body functions, and consuming too much will inevitably lead to loss of strength and even direct loss of consciousness.

But Iruka thought about it and knew what was going on.

Last time, he relied entirely on the blue chakra to support his body functions, and the strength of the colorless chakra could only maintain consciousness at most, and the amount of chakra between the two was not equal at all, so when the blue chakra was nine out of ten, he would feel very tired.

And now, after this period of continuous use of the Blue Chakra Activation Ability, the amount of Colorless Chakra has been increased to the extent that it can maintain physical functions, so when the Blue Chakra is consumed about the same, the Colorless Chakra will replace the Blue Chakra to maintain the physical function to a certain extent.

However, it is still impossible to figure out the nature of the colorless chakra in this state, after all, the body is refined into a blue chakra, so as long as there is a little bit of blue chakra, the colorless chakra cannot become dominant.

And in order to study the nature of the colorless chakra, it is necessary to make the colorless chakra dominant.

"In that case......

Iruka suddenly raised his hands, and then slowly began to seal according to his memory, and when the last seal was completed, Iruka suddenly puffed up his chest and inhaled hard-

Fire escape, the art of fireball!

Boom!!

Two huge fireballs flew towards the waterfall not far away with a terrifying heat wave, and suddenly exploded when they approached the waterfall, and the powerful air pressure suddenly shook up a huge water curtain filled with water vapor on both sides.

As the water curtain fell, the last trace of blue chakra on Iruka's body dissipated into the air at the same time......