Fujin muttered to himself, 'This might take some time. With Vacuum Bullets, I could refer to and replicate Danzo's vacuum core. However, I will have to create an entirely new core this time to accommodate the cores of Vacuum Wave. After all, the shapes of the cores of the two jutsus are very different from each other. Still, it shouldn't take too long.'
Fujin extended his palm ahead. A large spherical vacuum core formed on top of his hand. Soon, a vacuum core began forming inside the larger core. Unlike the Vacuum Bullet core, which was shaped like a bullet, this one was shaped like a thread. It was a lot longer but very thin and curved in shape.
Since Fujin could already store 9 Vacuum Bullet cores inside the larger core, it wasn't a challenge for him to create one Vacuum Wave core inside it.
Suddenly, Fujin noticed something. He analyzed, 'Wait a minute! Unlike the Vacuum Bullet core, where I need to maintain the spherical shape and have to create proper spaces inside the larger vacuum core to hold them, the Vacuum Wave core has a huge advantage. Since their shape is elongated and doesn't need to be straight, I can just curve, or better yet, coil them inside the larger core while creating a small chakra film to keep them separated from each other.
In that case, I'll be able to increase the number of Vacuum Wave cores inside it very easily. As I thought, Vacuum Wave is indeed the jutsu most suited for this technique.'
Fujin's expression lit up upon realizing it. He quickly began creating more Vacuum Wave cores inside the larger core. As he expected, he faced very little trouble in creating it. He quickly managed to create 7 cores inside it. The Vacuum Wave cores were just too compatible with this technique.
Fujin dispelled the vacuum core and thought, 'Wow! 7 on my first try! I needed a couple of days to reach 9 with Vacuum Bullet cores. Still, that bastard Danzo… He knew that Vacuum Wave would have been the most compatible jutsu with this, yet he only showed me Vacuum Bullets. I guess he was very reluctant to inform me about this technique. Well, whatever. It shouldn't be hard to apply this technique to my remaining Vacuum jutsus.'
Fujin began practicing again. On every try, the amount of vacuum cores he could store inside the larger vacuum core increased. An hour later, the number reached 76!
Fujin stared at the vacuum core in his hand and thought, 'This should be my limit for now. Though increasing it further shouldn't be much harder. I just need more practice. Anyway, It's time to test it.'
Fujin dispelled the vacuum core and a Shadow Clone appeared next to him. The clone stood around 25 meters in front of Fujin and slammed his palm on the ground. A large wall appeared in front of him. He moved backwards slightly while continuing to slam his palm on the ground.
In all, 4 large walls stood between the two. Each wall was about 0.5 meters thick. Fujin took a deep breath and began forming the vacuum core in his mouth. Soon, 76 Vacuum Wave cores formed inside that vacuum core and the large vacuum core was surrounded by Wind chakra.
'Wind Release: Vacuum Serial Waves jutsu'
Fujin shot out the jutsu. Immediately, the larger vacuum core collapsed and the 76 vacuum cores inside it were released. It was equivalent to Fujin using the Vacuum Wave jutsu 76 times!
The jutsu hit the first wall. Several Vacuum Waves hit the wall and pierced through it. Around a 10-meter-wide section of the wall collapsed. The remaining vacuum waves followed through the collapsing part of the wall, cutting through any stones that were in their way. The jutsu continued moving through all 4 walls in the same fashion!
The clone saw the jutsu coming at him, bit his thumb and slammed his bloody palm on the ground.
'Summoning jutsu: Rashomon'
A large metal gate having a demonic face on the gates appeared in front of the clone. A moment later, the gate was hit by Fujin's jutsu. Unlike the Earth Wall jutsu, the Rashomon could endure the Vacuum jutsus.
In the past, Fujin's vacuum jutsus had failed to create much of an impact on the Rashomon. Only the Vacuum Cannon jutsu had created a large dent into the Rashomon gate, but even it couldn't pierce through it. However, this time, Fujin watched with hopeful eyes.
The Vacuum Waves slammed into the Rashomon gate, each creating a small dent and damaging its structural integrity. Cracks soon developed on the gate. When the 59th Vacuum Wave slammed into it, the Rashomon gate collapsed before disappearing! The jutsu hit the clone hiding behind it and dispelled him.
Without any obstacle, the Vacuum Serial Waves jutsu continued moving for another 80 meters, destroying any tree and cutting deep into any small hill in its path!
A wry smile appeared on Fujin's face as he muttered, "I overdid it…"
The training ground was a wreck! If the tunnels formed due to the Vacuum Bullet jutsu intrigued Naruto and awoke his curiosity, the sight in front of Fujin would horrify him! First, there was the debris due to the broken walls. That was followed by every tree in the path of the jutsu being cut down for 80 meters! In addition, a couple of small hills had deep cuts in them while one had collapsed.
Fujin thought, 'I damaged the training ground a bit too much. Fortunately, there aren't any penalties for doing so. I'll just ask Hiruzen to do something about it.
Anyway, the good news is that I finally have an AoE Vacuum jutsu! At a range of around 20 to 25 meters, I can spread this jutsu 10 meters wide and 5 meters high to have the optimal effect. Once I increase the cores inside it even further, the area it covers can be increased more or alternatively I can make it stronger by focusing on a limited area.'
Fujin chuckled while thinking, 'I never would have imagined that Danzo would have been the one to help me take my Vacuum jutsus to the next level!
I can replace my older Vacuum Serial Waves jutsu with this one. This one is far more efficient and powerful in every way. As for the Vacuum Bullet jutsu, I should replace it as well. By keeping several vacuum cores within one, I'll be able to create more Vacuum Bullets at a time. Not to mention, sharp winds flow between the Vacuum Bullets, making dodging far more difficult.
The only time I'll need to use my normal Vacuum Bullets is when my enemies are very far from each other or to conserve my chakra if the enemy is too good at dodging. With this method, even though I can spread the Vacuum Bullets, they still have to be in a similar direction. Unless I can create two large cores with multiple cores within them. Hmm, I'll try this out later once I'm comfortable with this technique.
That said, there is one drawback. The time needed in this method is higher. But, that shouldn't be an issue after using this method for a few months. Not to mention, needing more time to create more cores is a natural thing. There isn't much I can do about it if I have to create several dozen cores.
Due to this drawback, using this technique on Vacuum Gatling isn't very practical. After all, the essence of that technique is speed and surprise. Though there is no harm in learning it in case I need it for some reason. It could be a good way to learn how to create multiple such cores.
As for Vacuum Cannon, this method would be good only when I have a defense to pierce. I can line up the Vacuum Cannons behind one another and have them hit the same spot. I wonder if Susanoo would be able to resist such an assault…
Anyway, in all other cases, the normal Vacuum Cannon will be better. As for Vacuum Blade and Vacuum Slash, this method isn't very compatible with them. Is there any way I can use them?'
Fujin thought for a few minutes and concluded, 'Using this method with Vacuum Slash is pointless. I need to form it in the time I swing my sword. I can't waste time creating multiple vacuum cores. However, Vacuum Blades can have a possible use.
If I can store Vacuum Blade cores in this vacuum core and activate it after I have thrown the jutsu, then it has the potential to catch enemies by surprise. The enemy might see it as a normal Vacuum Bullet or Vacuum Sphere and dodge it, only to be attacked by several Vacuum Blades. This has some potential. If I manage to store it in a seal, then it can act as a deadly trap. Alright, I'll learn this as well.'
[A/N : Bonus chapter on next Sunday if the fic gets 1000 Power Stones. Bonus chapter on next week's Saturday if the fic gets 2000 Power Stones.]
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