Naruto: I upgraded my bloodline limit using chakra.

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"Come with me!" Tsunade got up impatiently, then led Genba towards the underground laboratory of Konoha Hospital.

We passed through five or six checkpoints in total.

Finally, we arrived at an enormous, incredibly spacious laboratory.

Many medical ninjas are busy.

Genba even saw many strange and unusual specimens.

There are also many sophisticated instruments.

As the Hokage of Konoha, Genba must have known about the existence of this place.

They even knew that the experiments researching the cells of the First Hokage were conducted here.

Many researchers bowed to Xuan Ye upon seeing him.

Gen Ye nodded in response, showing absolutely no airs.

"Ayako, come here and draw a vial of blood for the Hokage! For the sake of the research, please draw a large vial." Tsunade instructed her subordinates in a detached tone.

"Yes, Lady Tsunade!"

Ayako is a young woman in her mid-twenties, wearing a white research coat, with long legs, black stockings, a beautiful face, and gold-rimmed glasses. She has a mature and sophisticated air about her, but she is very aloof. Although Genba is the Hokage of Konoha, she doesn't offer him much courtesy.

"Lord Hokage, I'm going to insert it now. It will hurt a little, so please bear with it!" After saying these words, Ayako deeply inserted herself into Genye's body, and bright red blood was drawn out, quickly filling a large tube.

Gen Ye's lips twitched.

This large tube of blood.

I don't know how long it will take to recover.

Tsunade smiled slightly upon seeing this. "You dared to offend me? This is what happens!"

Tsunade said, "Hokage-sama, we may need your cooperation in some subsequent experimental research. You can go back now."

Xuan Ye replied with a "Okay," then turned and left.

Tsunade didn't lose her temper today.

It seems like this is a good thing.

In a few days, his anger will probably subside.

The relationship between the two will improve considerably by then.

After all, Tsunade's help is needed for many things now.

After returning to the Uchiha clan.

I haven't had a chance to spar with Yukito yet.

Unexpectedly, Fugaku came directly to us.

There was no nonsense.

Fugaku asked anxiously, "Hokage-sama, is it really possible for Shisui to create a genjutsu world to help Itachi awaken his Sharingan!?"

I learned this news from Itachi.

Xuan Ye nodded, and then said:

"For an Uchiha to awaken the Mangekyou Sharingan, they need to experience something sad to stimulate their brain, causing a special kind of chakra to flow into their eyes, ultimately leading to the awakening of the Mangekyou Sharingan."

Genba glanced at Fugaku's expectant face and continued, "Theoretically speaking, it is possible to activate the Mangekyou Sharingan if one is in a very realistic illusion!"

Fugaku hesitated, but for Itachi's sake, he finally asked, "Hokage-sama, is there any danger in using this method?"

Genye replied with a half-smile, "Don't you trust Shisui?"

One sentence was a revelation to Fugaku.

finally.

The experiment was scheduled for that evening.

Inside Nanga Shrine.

A total of four people.

Genba, Fugaku, Shisui, and Itachi.

It is still in the experimental stage.

It's not advisable for anyone to know yet.

After all, this matter is of great importance.

Xuan Ye muttered something to Zhi Shui, whose expression turned to shock before he finally nodded.

The content of the illusion has been determined.

That world was extremely cruel for Itachi.

Even Shisui was shocked by the illusionary world that Genyo had described, and even felt a chill run down his spine.

"Itachi, are you ready?" Shisui asked.

"Ready!" Itachi nodded emphatically.

However, Itachi was very puzzled. Now that he knew about this, was Kotoamatsukami really useful to him?

The experiment begins.

now.

Shisui's eyes transformed into a kaleidoscope.

Itachi looked directly into the former's eyes.

Suddenly I felt dizzy.

I entered a blood-red world.

That was also a ninja world, but it was different from the world I was in now.

At the age of four, Itachi was taken to the battlefield by Fugaku, where he witnessed the cruelty of the ninja world and began to contemplate the meaning of life.

At the age of seven, he graduated from the Ninja Academy and was praised by the Third Hokage, Hiruzen Sarutobi, for being able to think from the perspective of a Hokage.

Because of his early experience with war, Itachi's thinking matured. Independent, he appeared very isolated, deeply disgusted by war, and yearned to understand the world and acquire power and knowledge.

He joined the Anbu at the age of eleven, and then his best friend Shisui had his eyes gouged out by Danzo, which enabled Itachi to awaken the Mangekyou Sharingan.

At the age of thirteen, due to the oppression of Konoha, the Uchiha clan chose to betray the village. Itachi, who was a double agent, informed the Third Hokage and many advisors of this news. Afterwards, Danzo used Sasuke as a hostage to force Itachi to exterminate the clan, and Itachi agreed.

On a dark and stormy night, Itachi, together with a mysterious masked man, launched a massacre against the Uchiha clan. For Sasuke's sake, his parents were willing to die at his hands.

After his clan was wiped out, Itachi joined an organization called Akatsuki, secretly protecting Konoha.

At the age of 21, he fought against Sasuke and ultimately helped his younger brother awaken the Mangekyou Sharingan. He died because he overused the Mangekyou Sharingan for many years and exhausted his body.

This is the world of Kotoamatsukami created by Shisui.

Only a few minutes passed.

However, Itachi, who lived in the illusionary world, spent more than twenty years there.

Just a few minutes.

Everyone witnessed the various changes in Itachi's expression.

The sadness at the beginning, the occasional joy in the process, and then sadness again, as if experiencing different lives.

After the illusion was broken.

Itachi was already in tears.

He felt as if he had lived another life.

Suddenly.

Itachi felt a sharp pain in his head, and a cold, strange energy surged into his eyes.

When I opened my eyes again.

It has turned into a kaleidoscope shape.

Fugaku walked over, his face filled with excitement, and said, "Itachi, you have awakened the Mangekyou Sharingan!"

However, Itachi did not appear particularly happy. Instead, he wiped away his tears, went to Fugaku's side, and said:

"Father, it felt as if I had lived my short life in another world just now. In that world, I did some very bad things to you, Mother, Sasuke, and the clan. I am here now to apologize to you, the head of the Uchiha clan."

Thinking it was because Shisui's illusionary world was too realistic, Fugaku didn't take it to heart and said:

"It's alright, you've activated the Kaleidoscope now. However, while this eye technique is incredibly powerful, it also puts a huge strain on your eyes, so you absolutely must not use it carelessly!"

"Learn more from Shisui and develop your own unique eye technique!"

Fugaku offered his advice as someone who had been through it all.

Itachi nodded, then went to Genba and Shisui and thanked them solemnly.

Without the two of them.

Itachi could never activate the Mangekyou Sharingan.

In particular, the idea proposed by Genye was extremely shocking.

This completely overturned Itachi's understanding of the Mangekyou Sharingan.

Shisui's body suddenly swayed slightly, as if he was about to fall, but fortunately Xuan Ye reacted quickly and caught him, then said, "Brother Shisui, are you alright?"

"No, I just feel like I'm overusing my eyes. Have my eyes become normal now?" Shisui asked.

After all, using Kotoamatsukami once requires consuming chakra stored up for more than ten years, and this eye is probably ruined again now, so I can only ask Genyo for help again.

"It seems... there's nothing wrong with your eyes!" Even Xuan Ye was slightly surprised.

He suspected it might be due to Sage Chakra.

"Really!" Shisui was also shocked.

This way, there's no need for Genya to inject chakra into his eyes.

Very good!

At this moment, four Mangekyou Sharingan ninjas appeared in the Uchiha clan.

Especially Xuan Ye, it won't be long before his eyes are upgraded to kaleidoscopes.

Chapter 187 Heading to Mount Sumeru (Please subscribe and follow up!)

The fact that Itachi awakened his Sharingan was not widely publicized.

The current method of using Kotoamatsukami to open the Kaleidoscope is still in an experimental stage and has not yet been fully developed.

Firstly, it cannot be guaranteed that all clansmen can awaken their eyes. Secondly, injecting Sage Chakra into Shimizu's eyes by Genye still carries a certain risk. Therefore, this needs to be done slowly, through continuous exploration, to improve the success rate.

Moreover, after activating the Kaleidoscope, not every member of the clan can possess a Celestial Body like Xuan Ye, allowing them to use the Kaleidoscope with almost no consumption.

Some people may not be able to resist the allure of the kaleidoscope's power and use it frequently, which could lead to blindness, making it a losing proposition.

Since Itachi awakened his Mangekyou Sharingan, Shisui has been training with him. Although Itachi has awakened the Mangekyou Sharingan, so far, it has only improved his eyes' perception and awareness; his true eye techniques have not yet been fully awakened.

Having strained his eyes too much, the ferret collapsed to the ground, panting heavily.

Knowing that the Kaleidoscope would consume a terrifying amount of energy, Itachi truly felt it when he actually used it, and soon his eyes began to ache.

Shisui, who was standing nearby, reminded him, "Itachi, you've just awakened your Sharingan, so it's not advisable to overdo it."

"Okay, Shisui-nii!" Itachi nodded, rubbing his temples to keep himself alert. He then asked, "Shisui-nii, how can one awaken the Mangekyou Sharingan?"

Itachi also admired the eye techniques of Genba, Shisui, and others.

In particular, only by activating the eye techniques of both eyes can the ultimate power of the Sharingan, Susanoo, be unleashed.

Itachi was even more envious.

Shisui pursed his lips and said, "One is regular training, and the other is to unleash your potential in life-or-death situations!"

"Of course, this is based on my past experience, so you need to figure out and understand the real method yourself."

Itachi nodded in deep agreement. With Shisui's guidance, his improvement would be faster and greater!