115- Hitting Numerous Birds With One Stone

"Boom!"

A loud sound reverberated around Renjiro's training area in his compound, a shockwave that echoed through the grounds. As the smoke cleared, Renjiro was seen bent over, hands on his knees, panting heavily. 

"Puff! Pant! Puff!"

The scene around him was one of utter devastation. The ground was littered with round-shaped holes, trees bore similar spherical wounds, and even the massive rock standing before him was not spared, with numerous indentations on its surface.

Renjiro straightened up, his breathing still heavy but filled with determination. 

"Let's go again," 

Renjiro muttered to himself, extending his palm. A few tense seconds passed, and then a blue ball of swirling chakra began to form. 

As the chakra swirled faster, gaining intensity and power, Renjiro focused his mind and chakra. With a swift, decisive motion, Renjiro charged towards the huge rock. His movements were quick and precise.

He thrust his arm forward, driving the Rasengan into the rock with all his might. 

"Boom!"

Another loud sound erupted from the collision, a powerful explosion of chakra and debris. 

The Rasengan's impact sent shockwaves through the rock, causing it to crack and crumble from the sheer force of the jutsu.

Renjiro stepped back, his eyes fixed on the massive gash left on the rock's surface. The Rasengan had done its job, proving its worth as a close-combat, destructive jutsu. 

"Naruto made it look so easy," Renjiro said while sighing.

Moving towards a nearby clearing, Renjiro allowed himself to collapse onto the soft grass. He lay flat on his back, gazing up at the sky as he caught his breath. 

"At least I have finally mastered the Rasengan"

It had been a long and gruelling two days of intense training to master the Rasengan. Every muscle in his body ached from the recoil, and his chakra reserves were nearly depleted, but the sense of accomplishment outweighed the fatigue.

While Renjiro possessed larger chakra reserves than most, the intensive training to master the Rasengan had drained him significantly. 

The earlier stages of learning the jutsu were particularly demanding, requiring precise chakra control and a substantial amount of chakra. Fortunately, as he learnt the jutsu, the chakra expenditure reduced.

Lying on the grass, Renjiro reflected on his decision to learn the Rasengan before the Chidori. 

'Unlike the Chidori, which was also primarily a close-combat jutsu, The Rasengan can be more than just a short-range attack. It offers more with the variations it had as the series went on that could adapt to different combat scenarios. With the right modifications, it can be used at mid-range as well. So it was like hitting numerous birds with one stone.'

Renjiro recalled the different forms and applications he had read about and seen, from the standard Rasengan to the Giant Rasengan and even the Rasenshuriken, each providing unique tactical advantages.

'Its power is also acceptable. Especially with the fact that you can hit your opponent with it at point-blank range. I wonder how much power the Odama Rasengan will hold.'

His choice was also influenced by the need for a powerful, yet adaptable jutsu. The Rasengan's lack of hand signs meant it could be executed quickly, a crucial factor in high-speed combat. In battles, having a technique that could be modified for various situations was invaluable. 

This was especially true if he could succeed in adding Wind Release to the Rasengan, transforming it into a throwable jutsu. The thought of a mid-range Rasengan, cutting through the air with devastating precision, excited Renjiro. 

'The only basic chakra natures ever used were Wind and Lightning chakra natures. While the first one made the Rasengan throwable, the last one, although it had made the jutsu unstable in some cases, could lead to the Rasengan vanishing. So that only left Fire, Water and Earth basic chakra natures. Out of the three, the only viable one to experiment with will be power as it adds on the jutsu's destructive power.'

'Still, having the speed and piercing power of the Chidori would be good.'

Renjiro wasn't dismissing the idea of learning the Chidori; he simply wanted to focus on mastering the Rasengan first.

'The real question is which Rasengan variation should I first focus on now that I have mastered the basic form of the Jutsu.' Renjiro thought as he gazed at the moving cloud while scratching his chin.

Each one offered unique advantages that could significantly enhance his combat style. Renjiro needed to choose the ones that would provide the greatest benefit for his current needs and future battles.

First, he considered the Odama Rasengan. This variant was renowned for its sheer offensive power. The standard Rasengan already packed a considerable punch, capable of causing significant damage, but the Odama Rasengan took this to an entirely new level. 

Its increased size and force would enable him to deliver devastating blows, breaking through defences that might withstand lesser attacks. 

The ability to cause widespread destruction made the Odama Rasengan an ideal choice for intense confrontations where overwhelming power could turn the tide in his favour.

While he had his fire jutsus that could do the same, there was no harm in getting alternatives. For instance, if Renjiro came across a shinobi who had an immunity or affinity to fire, then he could jutsu switch to the Odama Rasengan.

Next, Renjiro turned his thoughts to the Compressed Rasengan. This variant's primary strength lay in its precision and penetrative capability. By compressing the chakra into a denser form, the Compressed Rasengan gained the ability to pierce through tough defences. 

This feature was particularly useful for situations where brute force alone wasn't enough. 

'The whole Mizuki situation was the best example of this. His tough shell was a nuisance to deal with. While my Adamantine chains came through, I might fail to use them when my reserves as low since they are really chakra intrusive.'

In contrast, the Compressed Rasengan offered a more efficient use of his energy, providing a powerful armour-piercing attack without the heavy chakra drain. 

Lastly, the Vanishing Rasengan intrigued Renjiro for its strategic potential. This variant allowed the Rasengan to disappear from sight, providing a unique advantage in stealth and surprise attacks. 

In combat, an opponent might lower their guard if they believed the attack had failed or vanished, giving Renjiro the perfect opportunity to strike. 

'This should be the second variation that I need to work on after the wind-release one. It will be really effective considering the arrogant opponents I have been coming across lately.'

The Vanishing Rasengan's ability to become invisible opened up numerous tactical possibilities. Renjiro could use it to create openings in his opponent's defences or to mislead and outmanoeuvre them. 

'I guess it's decided then.' Renjiro mused.

Renjiro's training plan was now clear in his mind. He would start by refining his control over the standard Rasengan, ensuring his foundation was solid before moving on to the more advanced variants. 

First, he would focus on the wind-release variant and solidify his control and precision in throwing it. After that, he would move to the Vanishing variant as it also involved adding a chakra nature to it.

Then, Renjiro would focus on the Odama Rasengan, gradually increasing the chakra output and size until he could wield its immense power with precision. Finally, he would hone his ability to create the Compressed Rasengan, practising the delicate control needed to condense chakra effectively. 

'I also need to ensure that I only use the Jutsu when I am alone, I don't want to raise issues with Minato as I am not sure at which part of the Jutsu's development he's at.'

After taking a brief respite to recuperate, Renjiro slowly got to his feet. His mind, sharp and determined, was set on the next phase of his Rasengan training: mastering the Wind Release Rasengan.

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