Naruto: I'm really not an evil scientist!

Putting aside the Impure World Reincarnation, his other forbidden technique, the Eight-Headed Serpent Technique, is a terrifying ninjutsu even among Kage-level ninjas.

Orochimaru can use the Eight-Headed Serpent Technique to transform into a giant snake monster with eight heads. These snakes are the same size as Susanoo and their attack power is comparable to that of the Tailed Beasts.

In this form, Orochimaru possesses immense offensive power and can utilize eight giant snakes to launch continuous attacks on enemies, leaving them powerless to retaliate.

However, this is only the basic application of the Eight-Headed Serpent Technique. The most amazing thing about the Eight-Headed Serpent Technique is that it has extremely high immortality and the ability to resurrect and regenerate infinitely.

Orochimaru, who transforms into Yamata no Orochi, can resurrect himself infinitely. No matter how many times the enemy kills him, he will be resurrected intact. Furthermore, the eight snakes also possess the same ability; even if they are cut in half by the enemy, they can regenerate in just a few seconds.

Before reading the manga, Orochimaru was quite satisfied with this ninjutsu because he thought it was unbeatable. No matter how strong the opponent was, they could not kill him and would eventually be devoured by him.

Unfortunately, Itachi Uchiha happened to have a special artifact that could target the Totsuka Blade that sealed him. Moreover, it was a special spiritual weapon that Itachi, a Kusanagi sword collector, had searched the entire ninja world for but could not find. It was a special artifact that could only be hidden in the Uchiha bloodline.

After reading the manga, he didn't care about Itachi Uchiha's boastful statement that "no matter how powerful a ninjutsu is, it has weaknesses," which was absolutely correct. Instead, he developed a great sense of awe and curiosity about sealing techniques.

Sealing techniques are truly the nemesis of immortality. From the Otsutsuki deity to the tailed beasts, all have been rendered helpless by sealing techniques.

Recently, besides modifying the Orochi Technique to include the old man's Five Elements Great Barrage, adding Wood Release, as well as things like venom and acid, he has been researching sealing techniques.

"Now that you have perfected the forbidden technique I desire, I only need to devour you and plunder everything, which should save me a lot of time," Orochimaru from the main world sneered.

He didn't intend to copy everything. The Orochimaru of the parallel world had different experiences from his own. Although the principles and framework of the techniques he created might be similar, the details and final effects would inevitably be different. This could serve as a good reference, and he could use it as a basis to create even more powerful forbidden techniques in the future.

"Can you really devour me? You've been diligently cultivating immortal arts, and you haven't truly used the Reincarnation technique yet, have you?"

In the parallel world, Orochimaru chuckled and stuck out his tongue, approaching his younger self with alluring steps. He wrapped his arms around his waist and licked his face: "Stop thinking about these unrealistic things. Come and merge with me. As long as we are of one mind and body, you can get everything you want!"

Ah, Hiruko's so-called Oni-Ya-Ra technique was, from the very beginning, a cruel method of devouring people by sacrificing countless lives to fulfill one person's desires!

"What talk of fusion? I've never heard of it!" Orochimaru from the main world remained unfazed, even as his other self licked his cheek with a slippery, snake-like tongue. His eyes were full of mockery and disdain as he scoffed at his other self's nonsense.

His research on Hiruko had long since reached the point of obsession. Even though the information he had now was somewhat outdated, he was still fully aware of the nature of the Oni-Garaku technique: to plunder bloodlines and devour others to strengthen itself.

The so-called integration was nothing more than a deception set up by Hiruko to lower his guard and make him give up resistance. How could he be so easily fooled?

In the main world, Hiruko only taught the fusion technique of bond evolution to Itachi Uchiha.

Itachi only ever combined his powers with his younger brother Sasuke and Shisui.

Although, after a fusion, the person who fused with them can naturally learn the fusion ability, achieving the effect of transmission from person to person.

But whether it's Sasuke or Shisui, the only person they can currently combine with is Itachi.

No matter how talented Itachi was, he was still a student, and he was extremely careful to protect his own information. Naturally, he wouldn't let everyone know about something like this trump card, so it couldn't attract Orochimaru's attention at all.

Itachi originally only intended to fuse with Sasuke, but Sasuke was still young and had very little chakra, so each fusion could only last for a very short time.

Even so, Itachi's already exceptional talent underwent a qualitative leap after several fusions with Sasuke.

Both their spirit and body became more resilient, and their chakra attributes were completely restored.

Although his pupil power was not directly enhanced, he became more and more adept at using the Sharingan, and his nerve reflexes and sensitivity to weapons were also greatly improved.

Itachi's original innate chakra nature was fire, wind, water, yin, and yang. After being injected with the drug, he not only gained wood release but also earth release. When he fused with Sasuke, he gained lightning release, completing the last missing element.

After merging with Shisui several times, Itachi's improvement was even more immediate.

Although he did not directly awaken the Mangekyou Sharingan, his eye power has surpassed that of a normal three-tomoe Sharingan, and he is only one opportunity away from truly awakening it.

Furthermore, having fused with Shisui multiple times, Itachi could easily master knowledge and skills that some ninjas would have to study for many years, as well as some of Shisui's signature techniques, saving him a lot of study time to do other things.

In addition, his immense mental strength enabled him to learn at a much higher efficiency than ordinary people, which is why Itachi was able to become a polymath.

In the hands of the young Itachi Uchiha, Bond Evolution was not used for combat for the time being, but was mainly used for training and learning, and mutual promotion, which can be regarded as a special dual cultivation method.

"Well... that just shows how ignorant you are. It seems your relationship with Hiruko isn't very good either~"

In the parallel world, Orochimaru conjured up the scene of Sasuke using Bond Evolution Fusion in his mind, and a playful smile appeared on his lips.

But to the young Orochimaru, that smile was nothing but blatant mockery! It mocked his relationship with Hiruko as insignificant, and it was a retort to his earlier ridicule of the other's relationship with Hiruko as equally meaningless, further mocking his ignorance!

"What did you say?!"

Orochimaru instantly flew into a rage, like a raging giant serpent, turning around and using his incredibly flexible body to fiercely constrict his parallel world self. At the same time, he suddenly pulled out the extremely sharp Kusanagi sword from his mouth, the tip of the sword pointing straight at his opponent's throat, grabbing his neck, his eyes filled with killing intent and fury.

"It seems even the most sincere words can't convince you, so let's have a fistfight!" Orochimaru from the parallel world remained unperturbed, a provocative smile playing on his lips. "You don't even know this most basic application of chakra?"

"Hmph, you think you can just make up some nonsense out of thin air..."

Before Orochimaru could finish speaking, the chakra around the two of them intertwined like a surging tide. In an instant, a Susanoo over a thousand meters tall stood before them. His expression changed drastically, and he exclaimed in shock, "What?! This fusion is actually real?"

Looking at his younger self's astonished and incredulous expression, Orochimaru from the main world smirked, a hint of mockery in his voice, and slowly said in his hoarse yet captivating tone, "Well, do you believe it now? Fusion isn't some fictional legend, but a real miracle."

"Hmph! According to that guy Hiruko, this fusion is a miracle caused by the mutual entanglement and entrustment of hearts."

"But what special emotional bond could there be between us?" The Orochimaru of the main world looked disgusted, as if the guy connected to his chakra was a freak. "Besides, this kind of fusion isn't sustainable at all, and it's fraught with limitations."

"That being said, this secret technique is ultimately a sophisticated application of chakra."

Scientist Orochimaru calmly and clearly stated his analytical conclusions: "As long as the chakra of both parties is compatible enough, they can theoretically fuse successfully even without any so-called bond."

As parallel versions of ourselves, you and I are undoubtedly closer than brothers on some level, so merging together shouldn't be difficult.

This is similar to how the Second Tsuchikage's split forms could merge into one; our fusion is like returning to our true selves.

"But our consciousnesses are ultimately different. Forcing two conflicting consciousnesses into one body will only hinder each other and prevent them from exerting their full potential."

Orochimaru from the main world scoffed, "Moreover, the massive boost from the fusion comes not only from chakra but also from mental power."

Chapter 289 Madly Fusing Orochimaru

From a theoretical perspective, the mind is like a treasure trove containing infinite potential, theoretically capable of unleashing unimaginable and inexhaustible power.

However, within the framework of the real world, it is precisely our physical bodies, made of matter, that become the shackles binding us from unleashing our full power and limiting the full expression of our true abilities.

Therefore, even if we could somehow bring two people with no emotional ties together, they could never achieve the same qualitative leap and tremendous increase in strength as Sasuke Uchiha.

After all, we are snakes, snakes by nature cold and devoid of human emotions.

Unlike the Uchiha clan, we don't have rich inner worlds and are sentimental, with emotions overflowing like a surging tide.

He thought to himself: Take the example at hand, not to mention anything else, just look at me, a schizophrenic patient.

In his state, he wasn't even in a state of having two souls in one body, yet he was already tormented to the point of unbearable pain, as if he were in an endless abyss.

Furthermore, assuming the fusion is indeed achieved, what happens afterward? Who should take control of the fused body?

Whose instructions should we follow?

These crucial questions still lack clear and definitive answers, and to attempt to fool me with these vague statements is utterly absurd.

"No, no, no, it seems you've misunderstood me."

Scientist Orochimaru gently shook his head, his eyes gleaming with confidence and determination, as if everything was under his control. "I don't simply want to use the techniques developed by Hiruko to merge with you."

While I must admit that Hiruko has indeed gone further than I have on the path of researching fusion techniques, this does not mean that I will belittle myself because of it.

I have my own pride and principles. No matter how exquisite someone else's skills are, they are ultimately someone else's.

The fusion I seek is a forbidden technique unique to us, one that only we can master—an ultimate forbidden technique where if one soul survives, all other souls live forever!

The Orochimaru of the parallel world exudes a strong aura of confidence, his scarlet tongue lightly licking the corner of his mouth, a gesture that appears both dangerous and alluring.

Upon seeing this, Orochimaru from the main world frowned slightly, a look of confusion on his face. He really couldn't understand what his other self was thinking.

"Through my in-depth development and continuous integration practice of the fusion technique, the brand-new Orochi technique has been born."

Under this technique, each giant snake's head can house at least one independent consciousness.

After the fusion is complete, although everyone will be completely different individuals with their own unique thoughts and ways of doing things, we will also become a closely connected whole, an indispensable part of a powerful being.

As long as we achieve deep integration and completely unite into a single entity, we will inevitably evolve to a higher level.

Even if we separate again later, we cannot sever this deep connection.

In the future, even if we are separated by vast distances and in different times and spaces, we will still be beacons of resurrection for each other.

If needed, we can become more complete and stronger because of each other.

According to Hiruko, as for who is the king and who is the mount, that depends on who goes further down this road.

After all, in this world where strength reigns supreme, only those with power have a voice, right?

Orochimaru never intended to completely devour another version of himself.

This idea became even more firmly established after he witnessed Hiruko's behavior of roaming between different worlds, plundering wantonly, and reaping without sowing.

In his view, it would be great to have thousands upon thousands of versions of himself, each researching different fields and knowledge, which he could then use for free in the future.

Why go through the trouble of painstakingly absorbing everything, only to spend twice the time and effort to achieve research results that could have been easily obtained?

As long as the fusion can achieve the effect of quantitative change leading to qualitative change, break the existing constraints, allow it to evolve or reach a higher realm, and see the path and direction forward, that's enough.

Even if you fall from that level after separation, it doesn't matter.

His newly developed Eight-Headed Forbidden Technique does not mean that he can only fuse eight Orochimaru. Eight is just a figurative number here. He can fuse nine, ten, or even a hundred, a thousand, or ten thousand heads... Moreover, Orochimaru has many unknown ambitions in his heart.

For example, he could build a unique internal communication network for Orochimaru, and even achieve miraculous effects such as cross-time and space communication, guidance, and resurrection.

If the desired effect can be achieved in the future, there might really be a spectacular scene where one Orochimaru is in trouble, and thousands of Orochimaru come to his aid, combining into the ultimate form.

Or perhaps, in the face of imminent disaster, they could scatter across time and space to escape, and then be resurrected with the help of other Orochimaru's powers.

Upon learning that Hiruko could travel through time and space and cross different worlds, Orochimaru began to ponder deeply. He wondered if he could use space-time ninjutsu and the special connection created by fusion and separation to bypass Hiruko as an intermediary and directly achieve cross-world travel.

After all, in the fantastical and challenging game world of Ninja World Online, Orochimaru, a player with a red name, is notorious for exploiting bugs and finding various shortcuts and special methods.

Regardless of whether these ideas would ultimately succeed, Orochimaru decided to give them a try.

As a "mad" scientist, his thinking was destined to be different from that of ordinary people, always full of whimsical ideas and adventurous spirit.

"You really surprised me, another version of myself."

"So, are you still refusing now?"

"At least... please let me first understand this forbidden technique you created."

And so, Orochimaru and Orochimaru ended up together and had a great time. From their interactions, you couldn't tell at all that Orochimaru was initially full of resistance.

Meanwhile, Hiruko has recently taken over Tsunade's responsibility of researching extraordinary fruits for him.

He began to devote himself to research in the laboratory, developing various secret medicines and experimenting with special formulas for various energy cubes.

Furthermore, based on the characteristics of the extraordinary fruit, he developed two different methods: manual production and mechanical production.

Fortunately, he had Shizune, a dutiful assistant, to help him, and Weird, a summoning beast skilled in sage techniques and wood-based magic, to assist him.