Uchiha's Blade

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Mana stared at the information in front of him with a pair of red sharingan eyes, trying to find a few words about the practice of breathing in the sun between the lines, or even in the cracks of the book.

However, no.

Not a word!

Mana: "..."

Opening the next record in his hand, this record still had no signature. The name of 'Jikuni Enichi' was written on every page repeatedly. Mana looked at it carefully for a long time before finally seeing it between the words. , all the information has four words written on it: "Yuan Yi is awesome!" '

There are not many records about the Breath of the Sun, and those in Mana's hands are all.

However, after reading it, Mana felt that she finally understood why Breath of the Sun lost its inheritance.

...If any ninja clan records their own family secrets like this, it will definitely be lost!

Sighing, Mana put the information aside: "It seems that it is impossible to understand the Breath of the Sun. Who can I ask for something that has been lost since the Warring States Period?"

I always feel that compared to this, it is more realistic to go for Wuhan.

Speaking of Wu Kai, Zhenna originally thought that after she provoked him, Wu Kai should send his men to trouble her and take revenge.

But after such a long time, Zhenna didn't see any sign of revenge.

You must have forgotten this, right?

After deciding to truly integrate into the Demon Slayer Corps, study hard in this world, and improve herself instead of just being a passerby, Mana's mood became completely different.

In the past, whether the Demon Slayer Squad could kill Muzan, how much it would cost, and whether a large number of Demon Slayer squad members would die, these were not issues that Mana cared about.

She just followed her own rules, and after asking for help from the Demon Slayer Corps, she gave them a reasonable and equivalent reward.

but now……

The progress of chakra training is not optimistic. If you want to improve the strength of the Demon Slayer Squad, you may still have to start with breathing techniques.

But the few records of the Breath of the Sun all come from one Jiguo Enichi, who didn't write down anything serious other than blowing Jiguo Enichi.

The Breath of the Sun has not been passed down. It is possible that it is because the practice is too difficult. But if the practice method has been passed down, from the Warring States Period to the present, there must be a few people who can practice the Breath of the Sun, right?

In addition, the legend about the red Nichirin sword spread among swordsmiths is also very interesting.

It should be said that the red Nichirin Sword probably has an advantage in killing demons that other colors of Nichirin Swords cannot match.

But what is this advantage?

"Jikuni Enichi's Nichirin Sword is also red..."

Mana frowned: "Is it because Tsukuni Enichi is too strong that the red Nichirin sword has become a legend? In fact, there is no difference between the red Nichirin sword and other colors?"

Just like Wood Release is invincible in the ninja world because the user is Senju Hashirama, if it were a different user, Mana thinks that there is a high probability that it would not be as prestigious as Senju Hashirama.

There is currently too little useful information for Mana to speculate on a reasonable answer.

Even her Nichirin Sword had red color on it, but Mana always suspected that the red color was because of the Sharingan.

Onimbutsuji Mumei is an evil ghost who has lived for 1000 years. The Twelve Demons under him have strength unmatched by ordinary demon slayers at the end of the month. They must be of Hashira's level to be able to solve them.

And the winding... In the past hundred years, the Demon Slayer Corps has never had a record of the winding being replaced.

However, there are many records of Zhu's death after encountering the ghost of winding string.

In other words, even the one with the lowest strength among the upper strings still has the strength to kill at least one pillar alone.

Mana feels that if the strength of the Demon Slayer Corps does not improve, it will be impossible to kill Muzan.

But Uyashiki Yoya doesn't have much time left.

Chakra cannot save the Demon Slayer Squad.

"No, it's not completely impossible..."

Senju Tobirama once developed a technique called Earth Reincarnation, a technique that can bring the dead back to this world.

This technique has become Konoha's S-level forbidden technique since the day it was successfully developed.

It's not called forbidden magic for no reason.

Earth reincarnation refers to extracting a certain amount of DNA from the deceased, using a living person as a sacrifice, summoning the soul of the deceased, and possessing the body of the sacrifice, and then covering the body of the sacrifice with dust to present the appearance of the deceased. Looks good.

At the same time, the deceased reincarnated by the dirty soil will acquire an immortal body. No matter how serious the injury is, they can recover. They will not die or be exhausted. As long as the caster does not remove the spell, even killing the caster cannot destroy this technique.

Although Senju Tobirama's original purpose was to develop a technique that could be used in conjunction with the 'Mutual Multiplication Detonation Talisman', it was not to sacrifice the lives of Konoha ninjas to make human bombs.

Purely from a purpose perspective, the development of this technique can be described as very successful.

The 'Mutual Multiplication Detonation Talisman' is very powerful, but it is easy for the caster to be involved in it. The reincarnated body of the dirty earth has an immortal body. It can recover no matter how serious the injury is, even if it is blown into pieces by the detonation talisman. As is.

But the reality is that these two techniques were all classified as banned techniques after they were successfully developed.

The Earth Reincarnation is a forbidden technique that Senju Tobirama himself listed, and Senju Hashirama also included the mutual multiplication detonation talisman.

Let’s not mention how Senju Tobirama felt at the time, let’s just talk about it now.

For Mana, of course she can reincarnate in the dirty land.

This jutsu has a certain degree of difficulty in learning, but the so-called S level is more about the inhumane part of it. In essence, Mana feels that this jutsu is no more difficult to learn than an ordinary level ninjutsu.

As a student of the first Hokage and a future third-generation Hokage who was personally trained by the second-generation Hokage, Mana was fortunate enough to see the scroll of the Reincarnation of the Evil Land.

Reincarnation in the dirt itself is not difficult, nor is it difficult to extract DNA. Even if Enichi Tsukuni has been dead for hundreds of years, as long as he finds even a small piece of bone, Mana can extract the DNA needed for reincarnation in the dirt.

The biggest problem with this technique is the sacrifice.

This is a ninjutsu that requires the sacrifice of a sacrifice's life to be performed.

If you were in Mana's hometown, you might consider using captured enemy ninjas to perform spells during wartime.

But now?

Mana felt that it was impossible for the Demon Slayer Squad to let her use innocent people as sacrifices to perform spells.

Even Mana herself is not willing to do this kind of thing.

Zhenna scratched his hair: "This is too difficult."

How about she just find a way to kill her alone without any misfortune?

After all, if Muhan is killed, the curse of the Ubuyashiki clan should be lifted.

But even if he wanted to kill Wu Mei, it was useless if he couldn't find any trace of Wu Mei.

To Mana, the Demon Slayer's intelligence capabilities are really like a joke.

Not only have they not been able to truly grasp the traces of Wu Mei for thousands of years, but even the Twelve Ghost Moons have no reliable information so far.

This is catching someone blind.

Mana went to see Ubuyashiki Yōya the next day.

"It has to be changed, it has to be changed!" Zhenna emphasized: "Your current method is simply not working, it won't work. If Wu Mei's level hadn't been so bad, we would have wiped out all of you together hundreds of times."

Ubuyashiki Yoya's tone was gentle: "Mana, don't be anxious, speak slowly."

Mana said: "What I mean is that the Demon Slayer Squad must be reformed. You can't do this at all. Listen to me. I'm good at this kind of thing."

The ninjas evolved from family rivalries in the Warring States Period to village rivalries in the Ninja Village Era, and the fights never subsided.

Unlike the generally peaceful environment of this world, Jinna's world is generally not peaceful.

"So, I have experience in this matter, I'm good at it, just listen to me!"

Mana's tone left no room for doubt: "There's something very wrong with the current composition of your Demon Slayer Squad!"

Teriyai quickly picked up the pen: "Don't worry, speak slowly, I will write it down, and if it can be changed, we will change it as soon as possible."

Ubuyashiki Yoya nodded: "That's it, Mana, don't be anxious."

The attitude of this father and son is simply too correct.

Mana sighed, relaxed a little, and then sat down opposite Teriya: "First of all, let me say that your personnel selection and training methods are inefficient and extremely low."

"The Demon Slayer Corps has trainers find children who want to become ghost hunters, and then train them. After successful training, they will participate in the final selection at Fujirai Mountain. That is, they must survive for seven days in an 'examination room' full of ghosts. After seven days, Those who survive can become official team members, are awarded the Nichirin Sword, and begin to perform the task of killing evil ghosts. Later, they will be promoted according to the number of evil ghosts killed. The team members' levels are divided by the heavenly stems, with the highest being Level A. The lowest level is the Gui level. The one with the highest combat power above ordinary members is called a pillar. There are nine pillars. To become a pillar, you need to kill one of the twelve ghost moons, or kill more than fifty ghosts. Okay, the current situation of the Demon Slayer Squad is roughly like this, right?"

Ubuyashiki Yōya nodded: "That's right."

Seeing that he didn't seem to have any problem, Mana just felt that Uyashiki's personality was really good, and his brain circuit was not suitable for fighting at all: "From the perspective of the training of the team members, the trainer will train one or two children individually. It is an extremely inefficient method, and a person's energy is limited. If you give him more people, he probably won't be able to take care of them all. The way I recommend is to set up a place similar to a school, and gather the trainers together, so that you can still build it. Facilities such as various training grounds, after all, the environment of the training ground is different. Compared with building more than a dozen training grounds for each trainer, it is obviously more efficient to build them in a school way, and in a school, it can be arranged in one class With a dozen or even dozens of students in several classes, you will have at least hundreds of quasi-team members when you graduate every year."

"I will talk about the selection later. To be honest, when I saw your final selection method, I was shocked even though I am a ninja."

After Zhenna said this, he added: "The next words may be harsh, please don't mind."

Ubuyashiki Yoshiya said: "Please tell me."

The expression on Teriya's face also became serious.

Mana said: "I just want to ask, what does the Demon Slayer Corps think of the children who have not yet passed the selection? Survive for seven days on the Fujirai Mountain full of ghosts, without any safety guarantee, not even one of them is in danger." There were no summons fireworks that they could choose to give up. Even if they regretted it when facing the ghosts and wanted to spend their lives as ordinary people, it was too late. They had no choice but to die. This cruel selection was not even for them. Those children fight ghosts one on one. In the unprotected examination room, they may even be attacked by several ghosts. One person faces several evil ghosts. This is a problem for many official team members who have obtained the Nichirin Sword. It is also very dangerous, and there is even a high possibility of sacrifice. Let those children who have not yet obtained their Nichirin Swords face this. What on earth do you think? Even ninjas would not select genin like this. cruel."

That was at least a situation that would only be encountered during the assessment during the Chuunin period.

Speaking of this, Zhenna smiled: "Of course, what I said before was only in dangerous situations. For people who know ghosts, it is common sense that ghosts hate the smell of wisteria flowers. Then if someone does not fight at all, but Find a place, put down a lot of wisteria flowers, and then hide for seven days? The wisteria flowers in Tengxi Mountain bloom all year round. It’s not difficult to do this, isn’t it? But after seven days, even if he is still alive, the team member you want will Is this really the case? Can such team members really be relied on to fight evil spirits?"

"You are playing with the lives of those children!"

The accusation in this sentence is very severe.

But Uyashiki Yōya felt that he could not refute.

The Uyashiki clan has always treated the members of the Demon Slayer Corps as their own children and tried their best to protect them. Uyashiki Yoshiya remembers the name and life of every sacrificed member.

But... what about those children who died in the final selection?

What if some of them want to give up after encountering evil spirits?

Choosing to fight evil ghosts for the rest of his life until death is admirable, but it is not shameful to give up when seeing the horror of ghosts and facing the threat to life.

Even if they don't fight, they can join the Yin Army, go to Fujiya, and run industries to provide financial support. This is no more shameful than picking up the Nichirin Sword and fighting.

But because of the selection system of the Demon Slayer Corps, how many children's lives have they lost so far?

These children were lucky enough to survive at the hands of evil spirits, but died in the ill-considered selection process of the Demon Slayer Corps.

How ridiculous is this?

The members of the Demon Slayer Squad try their best to kill evil spirits, not only for revenge, but also to protect the innocent.

But right here on Tengxi Mountain, in front of the Demon Slayer Squad, so many children were killed by demons, but they did nothing.

Yoya Shiki suddenly coughed, and his cough was worse than every time before. Tears fell from his eyes as he coughed.

Zana suddenly panicked, and while using medical ninjutsu to treat him, she quickly said: "Don't get excited, please don't get excited, I...hey, it's all my fault, I should have said it more tactfully. ...No, I should go and talk to Master Tianyin first, I..."

"Mana," Ubuyashiki Yōya said in a hoarse voice, "Don't blame yourself. I'm very grateful to you for saying this to me."

After the physical discomfort gradually subsided due to medical ninjutsu, Uyashiki Yoshiya said: "Go on, Mana, you don't just want to say this."

Zhenna looked at his pale face and hesitated: "Well, I'm not very good at euphemisms, so... how about we talk about it next time? You go and rest for a while first."

Ubuyashiki Yoshiya shook his head: "No, since we have already mentioned it, let's finish it. Since there are problems with the Demon Slayer Squad, we should correct them as soon as possible. My body can still support it."

As long as he thinks that every day he rests, the team members will die innocently because of his problems, Uyashiki Yoshiya will never rest peacefully.

Mana didn't take back her hand at all. She supported Uyashiki Yōya with one hand and maintained the palm sensibility with the other. Then she continued: "The other thing is your promotion system. The team members who have just passed the assessment and got the Nichirin Sword must accept it." The mission is to kill ghosts alone. This is a bit too harsh. Even if they pass the selection, they have no real experience in killing evil spirits outside. It is a different battle from the final selection. Moreover, high-level teams I can understand that soldiers act alone, but low-level soldiers also act alone, which is... Just like ninjas, after graduating from school, genin usually form a team of three to perform tasks, and will dispatch jounin as a The captain gives guidance and will lead the team for at least one to two years before letting them carry out the mission on their own. I know that the Demon Slayer Corps' manpower is tight, and some arrangements are made out of necessity, but it is precisely because of the manpower shortage that it is even more impossible. Let these children who finally passed the final selection die so easily."

"My suggestion is to set up a training school for Demon Slayers, and eventually select and dispatch more examiners, composed of high-level team members. At least one pillar should be ready to deal with emergencies at any time. Send notification fireworks to each tester. Anyone who feels in danger or wants to give up can be ignited. In addition, the examiner can observe the tester's situation. After passing the selection, he can form a team based on what each person is good at and what he is not good at, so that the team's ability is more balanced and dispatched. As the team leader, the level team member will lead the team members to perform at least five missions.”

Ubuyashiki Yōya's face turned even paler, and Mana could clearly feel the grief and remorse radiating from him, but he said in a gentle but firm voice: "Teriya, have you written it down? Next, we will summon the pillars. Let’s hold a meeting to discuss it, the Demon Slayer Corps should really change.”

At least they shouldn't take away the hope of survival that those children should have.

Mana looked at his tired look, but in the end he didn't say anything about the hidden troops.

But Uyashiki Yōya could already see that she still had unfinished words: "Mana, there's no need to hold back, just keep talking."

"Oh, actually, I also have some ideas about the Hidden Force. It is said that the Hidden Force is composed of soldiers without swordsmanship, so they can generally only do some work such as gathering information, treating the wounded, and cleaning the battlefield, right? But I I think the hidden troops actually have a lot to offer. Even if they don’t have any swordsmanship, when the team members are fighting, they can still do it by throwing wisteria flowers from a distance, right?... I’m just kidding.”

Mana coughed dryly and said, "It's all because of your serious expressions. Relax a little, otherwise your body won't be able to bear it, Mr. Yoya."

Seeing that Uyashiki Yōya's frown eased slightly, Mana continued: "I heard that Miss Shinobu developed a method of using poison to kill ghosts because of her petite stature and weak strength. Members of the Hidden Force can Let's learn from it, use archery... If the arrow power is not enough, you can also choose a large crossbow. By the way, I saw you have thermal weapons here before. How about developing a bullet case made of the same material as the Nichirin Sword and filling it with wisteria flower poison? ? If you encounter a ghost, just surround it and shoot. Also, I saw in the information that there are heavy machine guns abroad, the kind that can burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst, burst.

When the time comes to see Wuhan, there is no need to think about how to fight. Let's start with a row of machine guns.

This topic is not as heavy as before, and Zhenna is even a little excited: "I was very interested in this when I read the information before. It is said that it can destroy thousands of bullets in one minute. If you convert it, Isn’t it the same as stabbing Oni thousands of times with a Nichirin sword in one minute?”

Just ask how many ghosts can hold on!

Mana said to Ubuyashiki Yōya, who looked a little confused: "The idea of ​​​​fighting must be flexible. The Nichirin sword was used 1000 years ago, and the Nichirin sword was used 400 years ago. But today, the Nichirin sword is still used. This is a bit unreasonable. Alright?"

The development of time and technology has long given ordinary people the ability to fight ghosts.

as well as……

"The astronomical knowledge I have seen tells me that the moonlight here is the moon reflecting the sun's light, so it should be the same thing. Why can the sunlight during the day cause harm to ghosts, but the moonlight at night cannot? Here What's the difference in the head? Is it strength or something else?"

During this period of time, Mana read a lot of books using the shadow clone.

"I saw that there are laboratories abroad that are studying light. The information I got said that light can be divided into visible and invisible. In addition, there are infrared and ultraviolet rays in sunlight. You have never thought of catching a few ghosts to study Let me ask you, what part of the sunlight is effective against ghosts? Don’t you think about building a lamp or something?”

"When the time comes to see Wuhan, I can not only give him a beating with a machine gun, but also give him a light blow."

Maybe the battle would be over without Zhu taking any action.

Mana is a professional ninja but worked as an experimental assistant for Senju Tobirama. He is a child who believes in science.

"Teacher Yoya, times have changed!"