New Ideas

(There are so many people in the book review section today; I wonder if everyone popped out because they saw Shinra Tensei? However, using Shinra Tensei isn't that simple, and I already have a plan for how to refine it. Finally, your comments are the best birthday gift. Hahaha, that's right, it's my birthday today.)

The first thing to realize is that while Shinra Tensei is excellent and powerful, there are risks to casting it. It is essentially a two-way ninjutsu; it acts on the opponent first, but if the repulsive force fails to crush them immediately, the force will rebound and act upon the caster. It is like touching the surface of water with your hand—the ripples spread outward until they hit a reef, at which point they bounce back.

In the original work, when Nagato used this technique, he was unstoppable, but for Kanna, it's likely a different story. Of course, the specifics will have to be tested personally.

Following the standard procedure, Kanna first mobilized his chakra and poured it into Kogen, manifesting the formula for the Flying Thunder God Technique. Then, bit by bit, he engraved the formula for Shinra Tensei, inscribed its true name, and overlaid it onto the Flying Thunder God Technique.

In an instant, Kanna felt the entire world dim, and the space-time coordinates he had previously set became completely unreachable.

"I'm really not used to this," Kanna muttered, touching his chest with a wry smile.

If Kanna could understand the analysis of the Flying Thunder God Technique through things like sealing jutsu, barrier ninjutsu, or the Body Flicker Technique, then Shinra Tensei was completely incomprehensible to him. It wasn't because it was too difficult to decipher, but because it was so simple it was unbelievable!

Drawing water, spitting fire, calling wind, summoning lightning, creating earth—the analytical formula for Shinra Tensei was actually just the five most basic types of ninjutsu!

The perfect fusion of these five elemental chakras is Yin-Yang Release. Shinra Tensei is an authentic Rinnegan technique, a genuine Yin-Yang Release that has reached the realm of returning to the basics. This also aligns with the principle Kanna realized early on: all the mysteries of ninjutsu are actually hidden within the most basic chakra.

In other words, the difficulty of Shinra Tensei is far above that of the Flying Thunder God Technique. Yin-Yang Release encompasses everything and is the origin of all things, naturally including space-time ninjutsu. It could be said that this time, Kanna has truly struck gold. If he could fully understand Shinra Tensei and completely analyze the chakra, he could instantly become a sage and transform into the Six Paths—it's just that Kanna is currently unable to grasp the mysteries within it.

There is no point in overthinking things. After a moment of awe, Kanna began to silently regulate his breathing, and once his chakra was fully replenished, he activated Kogen.

This time, the world in Kanna's eyes was different again. He saw everything around him connected by invisible lines, maintaining a certain balance. He had a feeling that as long as he snapped those lines, he could break the balance, trigger the power of the earth, and repel it out of the world. Conversely, if he pulled on the lines, he could cause physical phenomena similar to a space-time collapse, drawing things toward him.

Kanna tried to reach out, intending to pull one of the lines, but his hand passed straight through; he couldn't interfere with them.

"As expected, gravity is the domain of Universal Pull and Planetary Devastation, then? This Kogen is really rigid. If it's repulsion, it's just repulsion; it absolutely refuses to interfere with other forces."

Since he couldn't touch gravity, he would try repulsion. Kanna narrowed his eyes, picked up a pencil, aimed it toward the window, and then gave a light flick, snapping the invisible line connected between himself and the pencil.

Whoosh! Half of the chakra in Kanna's body was consumed, and the pencil was instantly repelled by the force, flying out the window and disappearing into the horizon in the blink of an eye.

"Phew." Kanna let out a deep breath, feeling the drain on his chakra, and couldn't help but laugh bitterly.

It was just a pencil—it didn't resist, and it had almost no weight—yet it consumed half of his chakra?

"First, it's probably a matter of proficiency; I used too much repulsive force," Kanna mused. "As for the second point, is it really related to Kekkei Genkai?"

In Kanna's view, a Kekkei Genkai should be like his Kogen—an alternative auxiliary casting organ. On one hand, it reduces the caster's consumption, and on the other, it allows for the execution of certain Kekkei Genkai ninjutsu that the caster themselves might not even understand.

Now, Kanna had proven that Kogen was indeed incredibly powerful, capable of even using Shinra Tensei, but it still couldn't perfectly replace the Rinnegan. Therefore, the consumption was far greater than it was for Nagato. By extension, if he were to acquire those Kekkei Genkai ninjutsu in the future, it would be the same situation.

Thinking of this, Kanna suddenly had an urge. Where was the only pair of Rinnegan in the ninja world right now? Nagato Uzumaki. Madara Uchiha had left his Rinnegan with this 15-year-old boy, and at this moment, Nagato was still resisting the power of the Rinnegan, unwilling to use the power of the Demonic Statue of the Outer Path, nor had he created the Six Paths of Pain. Was this an opportunity?

Slap! Kanna gave himself a light smack on the face and told himself, "Wake up! The current Nagato is in his prime! He has the power of the Six Paths gathered in one body. Even if he isn't as strong as he is later on, he is definitely not someone you can compare to right now, not to mention Madara's surveillance."

"Madara's surveillance... Madara?"

Suddenly, Kanna froze. He seemed to have thought of something.

It must be said that sometimes human thought is truly unpredictable. When Kanna thought of Madara, he thought of the process by which Madara stole Hashirama's power.

Back then, Madara Uchiha was defeated in a life-and-death duel with Hashirama, but he bit off a piece of his flesh and transplanted it into his own chest, thereby mastering Hashirama's power. How similar was this to Kanna transplanting ninjutsu into Kogen?

Since Madara could glimpse the mysteries of Wood Release from Hashirama's flesh, could Kogen also analyze Kekkei Genkai in this way?

The reason the corpses of those with Kekkei Genkai are precious is that one can learn the power of their bloodline from them. Since ordinary people can research it, why couldn't Kogen?

Extrapolating further, assuming Kogen could analyze Kekkei Genkai, then...

Madara Uchiha! This guy is currently dragging his decrepit, elderly body, lingering on the brink of death in an underground chamber. His existence undoubtedly contains the most precious secret of the ninja world: the perfect body required to awaken the Rinnegan! The Demonic Statue of the Outer Path! A piece of Hashirama's flesh! He is practically a treasure trove!

In the original work, Madara passed away after teaching Obito his name and various ninjutsu. His body was then hidden by Zetsu, and later, he deliberately guided Kabuto to find it. So, if one wanted to target Madara, it really wasn't impossible!

Madara's body is the perfect vessel for the Rinnegan. In his prime, he could resist Tailed Beasts with his bare body, and even after being struck by the combined force of all nine Tailed Beasts, he only lost one arm. Counting it up, he wasn't inferior to the Third Raikage. Therefore, even if one couldn't steal a sliver of the Rinnegan's power from him, it should at least be able to greatly strengthen one's physical body, or perhaps even allow one to comprehend Wood Release through Kogen.

So, all the problems now boil down to whether Kogen can analyze Kekkei Genkai!

If it can, then Kanna has found a path of infinite brightness! If it cannot, then he can only do as Obito and Kakashi did: transplant Sharingan or Rinnegan.

To name a few, within the borders of Kirigakure alone, the known bloodline-transmitted Kekkei Genkai include Ice Release and Shikotsumyaku. The former allowed Haku to gain power surpassing Zabuza (Zabuza personally told Kakashi, "Even if you beat me, you couldn't beat Haku; that child is stronger than me," though this also had to do with talent), and the latter is hailed as the strongest Kekkei Genkai for close-quarters combat—it is extremely powerful.

Seize it! It must be seized! Head to the territory of the Kaguya Clan and find Kimimaro! Use his flesh and blood to test whether his hypothesis is correct!

However, after the excitement faded, Kanna's head suddenly cleared.

Kimimaro? Haku? They haven't even been born yet!

Kimimaro is the only known awakener of Shikotsumyaku in the modern era. Haku is easier; his bloodline was inherited from his mother, so there is a trail to follow, but the key is, how would he know who Haku's mother is?

Is there no other way? Must he just wait bitterly for several years and waste all that precious time?

No! There is still a way!

Human genes are not just in the flesh; they are also in the hair and bones. The Kaguya Clan didn't just produce Kimimaro as an awakener. If his guess is correct, they must surely preserve the bones left behind by previous awakeners within their clan!

These bones might be treated as symbols, used to craft weapons, or something else entirely. But Kanna didn't believe that the Kaguya Clan wouldn't make use of the hardness of bones strengthened by Shikotsumyaku—those are natural, peerless weapons!

"If that's the case, then..." Kanna narrowed his eyes and began to re-engrave the formula for the Flying Thunder God Technique.

If I visit you in the capacity of the son of the Mizukage's aide, in my father's name, and present you with a Flying Thunder God kunai as a symbol of friendship, will you accept it or not?