Naruto: I'm really not an evil scientist!

With the help of the central AI of the tool beast to record data and deduce the ratio of energy cubes and chakra pills, the overall work proceeded relatively easily and smoothly.

Seeing this, Tsunade contentedly retreated to the background and comfortably became a "couch potato".

Besides eating, drinking, and playing games to pass the time, she spends her days frequenting various casinos, fully enjoying this comfortable and carefree life.

……

The laboratory was brightly lit.

His hard work over the past few days has yielded remarkable results in his research on extraordinary fruits; he has already completed most of the research work on extraordinary fruits.

After all, how many extraordinary tree species could be cultivated in just four years? Besides developing and utilizing the existing extraordinary fruits, he mainly used the knowledge he gained from Kaguya to improve the existing extraordinary fruit varieties.

Then, he urged Venusaur to keep up the good work, whether it was to reproduce and add new members to the family of extraordinary fruits, or to continue planting trees and expand the scale of cultivation of extraordinary fruits. These were all great undertakings that sowed hope and nurtured the future!

"Lord Hiruko." Dressed like a secretary, Shizune walked over with light steps, holding what appeared to be an electronic tablet for taking notes.

"What's wrong, Shizune?" Hiruko asked without turning his head. At this moment, he was not focused on the research of the extraordinary fruit, but was studying the Kusanagi sword with great interest.

Indeed, from a long-term perspective, extraordinary fruits may become one of the cornerstones of immortal civilization in the future. However, simply having medicines that supplement human nutrition and increase the basic foundation of life is far from enough, at least not for sword immortals who pursue ultimate power.

Therefore, besides continuing to improve his extraordinary fruits, Hiruko has recently begun to study the knowledge and resources he "borrowed" for free from Orochimaru, the collector of the Kusanagi sword.

In the early stages of the ninja world, the style was definitely that of gods, monsters, and demons. In terms of power systems, whether it was the protagonist or the villain, they fought like various monsters and demons, and the weapons they used were also full of mythological and fantasy elements.

Orochimaru's Kusanagi sword, in particular, is the complete opposite of the style in the later Space Marine Dragon Ball series, creating a stark contrast.

In the ninja world, the Kusanagi sword is a general term for a series of bladed weapons.

Whether it's the various forms of Kusanagi swords used by Orochimaru in the early stages, the weapon used by Sasuke that seems to have no other significant use besides transmitting chakra, or Itachi's exclusive spiritual weapon, the Totsuka Blade, they all fall into the category of Kusanagi swords.

The Totsuka Blade is the only Kusanagi sword that Orochimaru did not collect; all other types of Kusanagi swords were collected by Orochimaru.

In addition to collecting them, Orochimaru also possesses the forging technology for the Kusanagi sword and is already capable of mass-producing ordinary Kusanagi swords, the same ones that Sasuke will use in the future.

However, in terms of sharpness, the mass-produced sword used by Sasuke is more about the conduction of Lightning Release chakra, and its sharpness is far inferior to that of the Kusanagi sword used by Orochimaru himself.

Orochimaru's Kusanagi sword is incredibly sharp, so sharp that even the Monkey King, who possesses an indestructible body, would feel excruciating pain just from touching it.

When Orochimaru fights, he usually pulls out a sword that can be long or short from the small snake mouth he holds in his mouth. In the story, it is a divine weapon made of the hardest substance in the world.

The maximum extension limit of the Kusanagi sword is still unknown, but in the manga, it extended to more than 100 meters when fighting Naruto in his half-tailed beast form, which is quite mysterious.

That's not even the most fantastical part. What's most astonishing is that, since the Kusanagi Sword is something summoned from within Orochimaru's body, it can still be controlled by Orochimaru even when it's not in his possession, and can even fly freely in the air.

Moreover, it is not controlled by chakra threads, but rather by a sword-controlling technique that relies on finger seals and mental focus.

This technique of manipulating the Kusanagi sword to fly through the sky is a unique ninjutsu of Orochimaru, known as the Kusanagi Sword: Sky Blade.

In Hiruko's view, this was already the prototype of sword control technique.

Although Magnet Release can also easily make objects move freely in the air, the two are based on different principles, even though they are both ultimately applications of chakra.

Moreover, Orochimaru is truly a rare talent. In addition to being a collector of the Kusanagi sword, he also possesses forging techniques and knows the distribution of the special minerals and metals needed to forge the Kusanagi sword.

The Kusanagi sword can be extended, and based on its metallic properties, it can also be enlarged proportionally, or reduced in the opposite direction.

Moreover, it is the hardest substance in the world according to the initial design, and it has excellent energy conduction properties. All of these combined meet the standards for the lowest-grade magical artifact.

The Akimichi clan's multiplication technique not only affects their bodies, but also their clothing and the steel rods they wield in battle.

Therefore, if the Multiplication Technique is combined with the inherent characteristics of the Kusanagi Sword, its power will undoubtedly be further enhanced.

In addition, by combining this with Hiruzen Sarutobi's Shuriken Shadow Clone Technique, which allows him to control the Kusanagi Sword to fly and pierce while performing this technique, and adding sharp wind-attribute chakra to form "sword beams," a simple, low-budget version of the Ten Thousand Swords Technique is complete.

If it were launched using a combination of Magnet Release and Lightning Release to form an electromagnetic cannon, its power would be even greater.

Aside from perhaps lacking the ability of righteous heroes to counter evil and heretical forces, it can be said that this pirated version of the Ten Thousand Swords Technique, in terms of pure physical attack, may have already surpassed the strength of the vast majority of ordinary Shu Mountain disciples.

Of course, this specifically refers to the ordinary disciples of Mount Shu in the human world of The Legend of Sword and Fairy.

Whether it's the protagonist of the Legend of Sword and Fairy series, the swordsmen of Mount Shu in Huanzhu Louzhu's novels, or the Mount Shu in Tsui Hark's film version.

In terms of performance and potential, Hiruko's monkey version of the Ten Thousand Swords Technique can only be described as having amazing power among ordinary extras. Compared with various old monsters, demons, and overpowered characters, it has a lot of room for improvement.

However, Hiruko has only just begun his research. He believes that as long as he can continue to "freeload" on the essence of various worlds in the future, one day he will also become a powerful figure in the demonic path, no... a patriarch of the immortal sect.

Instead of barely managing to destroy a star like he is now, although he could achieve the goal of destroying a planet in many ways, he could never shatter a star with a single punch. In the end, he is still a weakling who needs to resort to tricks.

Chapter 290 The Word "Love"

"Upon hearing the news of your return to Konoha, the Enno-ko has arrived in the village with his granddaughter, requesting to see you. He says that you promised to grant him a request years ago, and now he hopes you will fulfill your promise." Shizune lightly swiped her finger across the tablet in her hand, clearly projecting the information.

In the video, an elderly man with white hair is seen waiting quietly with his blonde, blue-eyed granddaughter. However, they appear somewhat restless in the reception room, their eyes revealing a mixture of anxiety and anticipation.

"The Journey of the Warriors? I understand. Let them come to see me. I do owe him a favor." Upon hearing this, Hiruko paused in his work, put down the special ore he had been kneading into the shape of a peerless sword, and fell into a brief reverie.

Yi Zhi Xing Zhe is a rare immortal cultivator among humans who can manipulate natural energy. Moreover, he is a genius who created the super-large-scale forbidden technique "Wrath of Heaven" solely based on his own talent, without having systematically studied the immortal techniques of various spiritual holy sites.

Unfortunately, precisely because he followed an unorthodox approach, his use of natural energy was still very primitive, and it was purely for killing, with no contribution to the maintenance of the body or physical evolution.

In fact, his lifespan was shorter than that of an average person. If it weren't for Hiruko's help in treating him, he might be dead by now.

The Wrath of Heaven is a secret forbidden technique of the Earth Spider Clan. It explodes outward from the user's own center, destroying everything within a radius of hundreds of kilometers. The basic energy storage time (gathering natural energy) is about 1800 seconds, or half an hour.

The longer the gas is stored, the larger the area of ​​destruction. If the gas is stored for a long enough time, it can destroy an area with a radius of hundreds of kilometers or more.

Therefore, the so-called forbidden technique, "Rage of Heaven," is simply about accumulating energy, waiting for natural energy to accumulate to a certain level, and then unleashing it all at once, achieving a terrifying destructive power similar to the Super Shinra Tensei.

If it accumulates for a long enough period of time, it should be even more terrifying than the destructive power caused by Payne carrying rice.

However, this is also quite useless, because under normal circumstances, no one will give you such a long time to accumulate natural energy. Half an hour is still too long. The wind-up for Payne carrying rice is much shorter than that for Wrath of the Gods.

Moreover, this forbidden technique cannot distinguish between friend and foe. If it appears on the battlefield, it will most likely result in the slaughter of both one's own people and the enemy.

However, this powerful weapon could not be ignored, so the Third Hokage, Hiruzen Sarutobi, preferred to recruit the Tsuchigumo clan and form an alliance with them rather than allow the ninja to appear on the battlefield or flow into other small ninja villages.

It's similar to how large companies in modern society spend their spare money to poach and retain a group of technical staff with high salaries, preventing them from leaving for other companies, but basically not using them for any particularly important purposes.

To put it bluntly, it's not really important whether I have you or not, but my competitors aren't as important as you, so you're very important to me.

However, it needs to be clarified that all those disputes and entanglements are ultimately complex historical issues between Hiruzen Sarutobi and the Tsuchigumo clan.

The interaction between Beiliuhu and the servants was pure and direct; it was a naked act of coercion, enticement, and plunder.

The young and strong, all-encompassing Hiruko, facing the elderly and helpless Enokiyo, burdened with the weight of his family and a bunch of dependents, clearly played the role of the perpetrator, while Enokiyo became the undisputed victim. The relationship between the two was simple and clear, without the slightest ambiguity.

However, the servant of Beiliuhu was sensible enough to assess the situation and did not put up a futile resistance, so he mercifully spared him some face.

Furthermore, Hiruko keenly realized that the Tsuchigumo clan possessed a unique physique that allowed them to sense natural energy, a physique that might prove very useful in the future. Therefore, he made a promise to the Enjo-gyosha and left behind a hopeful thought.

For Hiruko, although the method of using natural energy by the wielder seemed primitive and clumsy, it was a unique and special way of using it, and it could even unleash a wide-range "map-to-map" attack. This undoubtedly provided him with some inspiration and ideas for improving and developing his own Great Spiral Wheel Technique.

Moreover, the Traveler was not without achievements; he was able to develop a special device for activating forbidden techniques, inscribing complex spells onto an inconspicuous object.

In this way, by injecting just a little chakra, one can directly gather natural energy to activate forbidden techniques, without having to painstakingly practice those dangerous and time-consuming forbidden techniques.

That's a magical device that can directly control natural energy. If we remove its terrifying ability to trigger a natural energy explosion with itself as the center, wouldn't it just become a device that quickly gathers natural energy? With a slight modification, it can be used directly as a spirit-gathering array plate.

Although this device is no longer of great use to Beiluhu, who is now able to transform into a divine tree and extract natural energy at an extremely high power, it has immeasurable value for him to create and popularize the immortal civilization in the future.

Moreover, this practice of directly imprinting spells onto instruments perfectly aligns with the principles of rune technology.

With this technological capability, creating "magical artifacts" or "equipment" with special skills similar to those in games will be a natural and feasible thing in the future.

Therefore, in addition to using consumables like supernatural fruits, energy cubes, and chakra pills that can be upgraded and replaced to "harvest" people, the special equipment with these functions is also a powerful tool for harvesting people by opening the God Space.

They could even add an enhancement enchantment function, just like that celestial woman, Kelly, whom countless adventurers on the Arad continent both love and hate, making players flock to her.

If they were to develop in a different direction, the En no Kyouza would be an excellent candidate for becoming a master of formations and a master of weapon crafting. Just by developing new equipment and selling ninja tools, the Tsuchigumo clan could become incredibly wealthy and enjoy immense prestige.

Unfortunately, the ninja was a bit slow on the uptake, completely hampered by the rigid thinking patterns of the old-fashioned ninja.

All he ever did was take on missions and fight. Now he's old and can't fight anymore, and the clan has no one to carry on the legacy. The Earth Spider clan has just declined into obscurity.

It is foreseeable that after his death, even wandering ninjas will be able to bully the Tsuchigumo clan with impunity. Just thinking about that scene is heartbreaking.

Of course, it's not that other ninjas don't inscribe ninjutsu on their tools. For ninjas skilled in mechanical arts, such as puppeteers, it's not uncommon to modify puppets with talismans or inscriptions that can instantly activate ninjutsu. In fact, it can be considered a common skill demonstration.

However, the forbidden techniques imprinted by the ninja can directly interfere with natural energy. Compared with ordinary ninjutsu imprints, this ability is undoubtedly more advanced and profound, as if it touches on a more mysterious and powerful force in the ninja world.

The most ingenious thing is that the special device created by the Traveler cleverly avoids a major hidden danger for cultivators of immortal arts—the risk of being eroded by natural energy if they are not careful, which could lead to physical mutations or even death.

Although this device may go berserk due to uncontrolled energy during use, at least it will not cause the user to be corrupted by natural energy and turn into a lifeless stone or some other strange thing.

Inside the laboratory, the light was dim, yet it exuded a strange atmosphere that blended technology and ninjutsu.

Hiruko was engrossed in a pile of complex experimental equipment when suddenly he looked up and caught sight of an old man and a young girl—Yakunogyosha and his granddaughter Hotaru—stepping into his territory.

Hiruko's lips curled into a slight smile, secretly pleased with himself. This was practically free labor; though a bit old, he had a "longevity package" to offer.

"You've arrived."

Hiruko put down his work, turned around and revealed a warm and sunny smile, like a kind elder, "Little Ying has grown up so much, time really flies."

"Lord Hiruko, hello." Xiaoying called out timidly at her grandfather's prompting, her eyes filled with a mixture of curiosity and fear.

"Sit down. You've taught me for a while, so there's no need to be so formal." Hiruko personally brewed a pot of tea for the traveler, his movements elegant and practiced, showing exceptional warmth.

"This... thank you." The Journeyman took the teacup from Hiruko, his fingers trembling slightly and appearing somewhat stiff.

The elderly man became increasingly reserved, knowing all too well how wicked the man before him truly was, and that his outward kindness was nothing but a facade.

If it weren't for the increasingly chaotic world, the constant warfare, and his deteriorating health, which meant he could pass away at any time within the next year or two, and the fact that the Earth Spider clan was utterly hopeless and had no successors, he really wouldn't want to come looking for this guy, Hiruko.

Although the Land of Fire is currently peaceful and prosperous, he still sensed an unsettling atmosphere throughout the entire ninja world, a premonition of impending storm.

But his descendants were useless, and he was about to die, so he had no choice but to go all out and fight for the future of the Tsuchigumo clan.

"Tell me, how do you want me to help you? Like I said before, as long as it's within my capabilities and doesn't put me in too much of a difficult position, I can agree to anything." Hiruko got straight to the point. With his current strength and power, there was no need to beat around the bush with a dying old man and waste time.

"For example, we can use medical ninjutsu to heal your deteriorating body and use newly developed secret medicines to help you recuperate and maintain your health, which will allow you to live for at least another twenty years." Hiruko appeared very confident, as if he held the power of life and death in his hands.

"This... thank you, but that's not the matter I wish to ask for your help with."

Upon hearing this, Yi Zhixing hesitated. Bei Liuhu was a capable man, and if he dared to say such a thing, it must be true. But thinking of his useless clansmen, what difference would it make if he lived for another twenty years? It would just mean suffering for a few more years.

"Oh? If you don't get treatment soon, you probably won't live past next year. Are you really not going to reconsider?" Hiruko teased, a hint of amusement flashing in his eyes.

In fact, no matter what the En no Gyōzō chooses, he will heal the old man. The reason is simply that talent is scarce. Ninjas with a unique understanding of natural energy like the En no Gyōzō are rare.

In particular, cultivation methods that can manipulate natural energy and are purely inherited by humankind are extremely rare.

The immortal arts passed down by the three holy lands are, in essence, cultivation systems more suited to the physiques and habits of animals. Their cultivation methods and effects can be described as demonic arts.

The deeper you delve into cultivation, the closer your physical characteristics will become to the racial characteristics of the immortal techniques you cultivate. This is especially true for examples like Jiraiya, whose immortal techniques are not perfect. The so-called immortal face on his face is less an immortal feature and more a result of being eroded by natural energy, causing him to become demonized and lose his original human appearance.