Chapter 215: Super Railgun
Before, she had just been hesitating.
For one thing, Sasuke and Kakashi were in the process of deeply developing the Chidori. It wouldn't hurt to play with the new jutsu herself for a bit and give it to them later, so it had been delayed for so long.
More importantly, during the battle with Kakuzu, the Ice Style: Leviathan's Wrath she had used had given Haruno Sakura a taste of cosplaying as Kerrigan, the Queen of Blades. This girl was now full of interest in cosplaying as Misaka Mikoto. The character of "Railgun" truly lived up to that saying: when a girl is handsome, there's no business left for the boys.
—At least, there was no business left for Kamijou Touma.
After all, the former propped up the masterpiece Railgun, while the latter was just the male protagonist of the trash-tier Index...
So Sakura's initial thought was to at least let her show it off once before she said anything.
The opportunity to cosplay as Railgun was a rare one.
Haruno Sakura once had a very chuunibyou idea: use a transformation jutsu to change her hair to short brown hair, then hit the enemy with a shot, and by the way, use a genjutsu to play the passionate Super Railgun theme song, "only my railgun"...
For her, whose psychological age should be that of a weird uncle or an old aunt, to have such an idea showed that she had indeed been very fascinated by this character...
But in the end, it was better not to be so wishy-washy over this little thought. Who knew when she would have the time to learn Lightning Style? Since there was an opportunity now, she would just give the jutsu to them directly.
Putting aside these chuunibyou fantasies, and not talking about the brown hair and the theme song, just the Super Railgun itself was a ninjutsu worth researching.
The railguns used in her previous life's world mostly shot 10-20 kilogram metal projectiles at several Machs to attack targets hundreds of kilometers away. But if applied to the world of Naruto, then one should consider using a kunai of about 100 grams or a lighter shuriken as ammunition, with the target distance mostly within a thousand-meter range.
Let's assume that one use of the Lightning Style: Super Railgun consumes an amount of chakra comparable to the Lightning Style: Raikiri.
Because the Raikiri was famous for having cut through lightning, its current intensity and contained energy could be considered higher than that of a lightning bolt. Let's say it's 5 billion joules. If this energy were used to accelerate a kunai and converted into the kunai's kinetic energy, it would mean that the kunai could be accelerated to a speed of more than 30 kilometers per second!
However, in a real situation, the energy of a ninjutsu could certainly not be completely converted into the kunai's kinetic energy.
When converting chakra into the huge electrical current of the Lightning Style, there would be varying degrees of loss depending on the individual's chakra control.
And when constructing the electromagnetic rail in the air, the huge electrical resistance would also waste a considerable part of the current's energy.
Therefore, because this ninjutsu, the Super Railgun, required a very precise design, it would not be surprising for a cruder ninja to only be able to convert ten percent of the energy into the kunai's kinetic energy.
"In short, depending on the amount of chakra consumed and the individual's situation, the power of the kunai fired by this move will also be different," Sakura concluded. "At your current level, if you fire at full power, you can probably reach an initial velocity of about Mach four or five. The power is so-so."
"Mach four or five per second?" Sasuke frowned, imagining it in his mind. A speed of several Machs per second was already incredibly fast. "Can this also be called 'so-so'?"
"This is relative to the true power of this move. A few Machs is still too slow..." Haruno Sakura shook her head and added, "If it were cast by a 'Kage'-level powerhouse at full power, the kunai fired could even reach a speed of ten kilometers per second, or even tens of kilometers per second! Do you know what a concept ten kilometers per second is?"
When an ordinary ninja is in combat, the distance to the enemy is within a hundred meters. A projectile fired by the Super Railgun would only need 0.01 seconds to cross this distance. At this time, the visual signal of the bullet flying towards the enemy's eyes would have only just reached their brain!
And at this terrifying speed, a ten-meter-thick concrete wall would also be easily pierced by it—this was a record set by a railgun in her previous life's world with a speed of two or three kilometers per second. In the world of Naruto, the speed of a projectile fired by the Lightning Style: Super Railgun would be several times that of the former, so their piercing power would probably be ten times greater than that of the railguns in her previous life's world!
So the Lightning Style: Super Railgun could even pierce through a hundred meters of earth or a small mountain with one shot...
Such power was already invincible in a battle below the Kage-level.
In fact, for an enemy of the Kage-level, not many would be able to withstand this move head-on.
Even if they were not directly hit by it, just a graze would be enough for the shockwave from the super-high-speed projectile to rupture their internal organs! If it were an enemy who was encountering this move for the first time and didn't know how to dodge it, probably most people would suffer a great deal from this move, and even lose their lives.
As for a battle above the Kage-level, that was hard to say. After all, no one would just stand there and watch you prepare an S-rank ninjutsu and still foolishly wait for you to blast them... But if they were hit by the railgun—for example, a large summon like Gamabunta would be very easy to hit—it was very likely that they could be one-shotted by it!
When an iron block moving at ten kilometers per second hits a target, no matter what kind of defense it is, it will be directly pierced. A body of flesh and blood, even with chakra enhancement, could not possibly block such a ninjutsu.
Haruno Sakura gave an introduction to the power of the Super Railgun.
"Sasuke, for your combat system, this ninjutsu, the Super Railgun, would be a very good supplement," she said in the end.
The Lightning Style system that Sasuke had conceived was very strong, but it was a pity that it could only show its strength at close range. Once the opponent opened up a distance, his set of lightning nin-taijutsu would be somewhat helpless.
Therefore, this kind of ninjutsu, which was applied in medium-to-long-range combat, or even super-long-range combat, was actually quite suitable for Sasuke to use and could completely make up for a major shortcoming of his.
And for Kakashi, who was said to have mastered a thousand ninjutsu, although he did not lack long-range striking means, no one would ever complain about having too many of this kind of long-range, sure-kill ninjutsu that didn't consume much more than the Raikiri.
The black-haired youth pondered for a moment and felt the same.
"Such a powerful ninjutsu," he said, looking up at Sakura. "Are you really going to give it to us?"
"We're Team 7... Don't ask such a stupid question!" Haruno Sakura said with a beautiful smile.
Team 7... they are comrades who have been through life and death together. Even in her previous life, she had never met such friends who had shared hardships.
Sasuke was stunned.
Team 7... that's a good reason.
Some things, just one sentence is enough.
Sasuke no longer entangled himself with this question.
He, who had always maintained a plain expression, now couldn't help but have a small arc curve his lips.
"Let's not talk about this. Anyway, I'll teach it to you when we go to the Land of Snow," Sakura said with a wave of her hand. "Oh right, have you finished your reply letter to Naruto?"
"Hn, it's done," Sasuke said, taking out a folded letter from his pocket and handing it to the girl.
In the letter that had come from Jiraiya before, besides his own letter, there was also a letter from Naruto.
The content of the letter was nothing more than some updates on his recent situation. He had written a lot about the problems he had encountered in his training. His writing was also poor, and it was long and smelly, but Sakura and Sasuke had still read it with great interest.
During this period, Squad 14 had had a head-on confrontation with the Akatsuki's Immortal Duo and had obtained a lot of important intelligence. Tsunade had intended to write a reply letter to tell Jiraiya.
Besides official business, it was no problem to include a few private letters... so there was a reply from Sasuke and Sakura.
"Alright, I'll give the letter to Master in a bit. It should be sent out in a few days," Haruno Sakura said with a nod, stuffing Sasuke's letter into a bulging, oversized envelope.
"Hey, what did you put in the envelope..." Sasuke suddenly had a bad feeling. "It's so full!"
"Didn't Naruto complain that it was very difficult to add nature transformation to the Rasengan? I helped him find a lot of materials, and also my personal insights on ninjutsu, probably about 680,000 characters worth. It should be helpful to him. Hn... it is a bit much, but Uncle Jiraiya will supervise Naruto to finish reading it!"
She said, patting the envelope and pressing it down hard, smiling brightly.
The corner of Sasuke's mouth twitched. He quietly reached up and wiped a bead of cold sweat from his forehead.
"Good luck, Naruto!" he thought silently in his heart...
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