Kabuto Yakushi's Sage Mode

Rumble~

The Forest of Death in Konoha was in ruins. The attacks of the Manda II and the Eight-Branched Serpent no Orochi were no less destructive than those of the Tailed Beasts.

Obito's Jinchuriki, the Rinnegan puppet, was merely a sealed puppet containing a large amount of Tailed Beast Chakra, and not a true Jinchuriki. Therefore, his Tailed Beast Transformation could only reach the second Partial Tailed Beast Transformation of its form at most.

Tailed Beast Transformation has five forms. The first form is Chakra Leakage, which is the release of the Tailed Beast's Chakra, as seen in Naruto's release of Tailed Beast Chakra Chunin Ninja Exams. The second form is 'Borrowing Chakra,' also known as the Tailed Beast Cloak, where the Jinchuriki's entire body already resembles the Tailed Beast Cloak, as seen in Naruto's battle with Sasuke at the Valley of the End.

The third form, 'Partial Tailed Beast Transformation', no longer shows the specific appearance of the Jinchuriki. The entire body is covered in Chakra, and if the intensity is high enough, bones will grow directly from it. For example, Naruto unleashing the Four-Tails at the Tenchi Bridge.

The fourth type is Complete Tailed Beast Transformation, which is manifesting as a giant physical form of Tailed Beast. The fifth type is a one-sided complete release of the Tailed Beast, which is actually similar to the fourth type.

Rumble~

The Eight-Branched Serpent was terrifying, comparable to Tailed Beast, with astonishing destructive power. With the help of the Manda II, it was able to overwhelm five Jinchuriki for a time.

The Seven-Tails Jinchuriki was just ambushed by Chakra, who sealed his Orochimaru with the Five Elements Seal. Now, he is being slowly swallowed by a snake on the ground and is heading towards the underground base, since he is a valuable research material.

"Damn Orochimaru!"

In the shadows of the Forest of Death, Obito flashed with rage as he looked at the two terrifying behemoths. So close! So close!

"Heh heh, but this also proves one thing: Uchiha Yoru is currently in a weakened state!"

With Obito smile, Obito's body slowly disappeared into the Forest of Death.

Water Release · Great Exploding Water Colliding Wave

Just then, a terrifying Water Release suddenly appeared in the Forest of Death, surging forth like a vast ocean and instantly transforming into a terrifyingly huge water sphere.

"Heh heh, Chakra will like the Samehada of Tailed Beast."

Hidden in the shadows, Kisame Hoshigaki slowly emerged, his body beginning to merge with Samehada, transforming into the Samehada Fusion Form.

When Orochimaru saw this, he immediately revealed a hoarse smile, and then controlled the Eight-Branched Serpent to intercept these Jinchuriki, preventing them from breaking through.

"Kisame, this is valuable research material, don't damage it."

As Orochimaru's hoarse voice echoed from the Orochimaru Eight-Branched Serpent, Kisame Hoshigaki, who was inside the giant water prison, grinned with a bloodthirsty smile.

"That depends on how fiercely these foods resist."

That being said, Kisame's rapid movements and continuous absorption of the Chakra's Jinchuriki demonstrated that he would show mercy.

Rumble~

Amidst the fierce battle outside, deep within the cave, a pair of eyes slowly opened in the darkness, revealing clear black and white pupils. However, the next moment, things began to change.

A crimson Sharingan appeared, first with One Tomoe, then Two-Tomoe, then Three Tomoe. The Three Tomoe spun and merged, evolving into the Mangekyo. The Mangekyo didn't stop there; it continued to spin until it finally transformed into the mysterious purple Rinnegan.

However, the purple Rinnegan seemed to be evolving and constantly rotating, but ultimately it seemed to lack the strength, and the evolution was extremely slow.

"Looks like it's still a bit lacking; after all, a replica is still a fake."

Opening his eyes, Uchiha Yoru sensed the changes in his body and muttered to himself. But then he frowned, "There are still some changes, though. It's just that the Ten-Tails needs some time to digest."

Just then, Uchiha Yoru suddenly sensed something, raised an eyebrow and couldn't help but reveal a cold smile.

"It seems the little mouse is almost here, but unfortunately there is still a gap between us, and that gap is the chasm."

Then Uchiha Yoru closed his eyes again and began to digest the Ten-Tails within him. He was indeed in his weakest state, just as Obito had thought.

He used a large amount of Chakra and mental energy to suppress this cultivated Ten-Tails; otherwise, he wouldn't have used the Rinnegan's abilities to create a puppet for battle. Moreover, the puppet's combat power reflects his current weakness.

Inside the dimly lit passage.

"Heh heh, perhaps you should tell me about the barrier here."

A Konoha Ninja dressed in Medical Ninja attire was walking through the passage when suddenly a figure emerged from the hard wall, holding him hostage with Kunai and letting out a cruel laugh.

The Konoha Jonin who was being held hostage gently pushed up his glasses. His calm eyes showed no sign of being held hostage. Instead, a strange smile appeared on his face, but it was too dark and Obito was behind him so he couldn't see it.

"Heh, I didn't expect Uchiha Obito, your intangibility ability to be so strong, to be able to penetrate all the way here. I suppose your intangibility technique is Space-Time Ninjutsu."

Seeing the kidnapped Medical Ninjutsu speaking so casually, Obito frowned and said coldly, "If you don't want to talk, I can read it from your mind."

Just as Obito's Kunai was about to slit the Medical Ninja's neck, he suddenly heard a hissing sound. Upon hearing this familiar sound, his pupils contracted instantly.

The sound of Explosive Tags!

In an instant, the Kunai that had slashed across the Medical Ninja's neck passed right through his body and entered the ethereal space. The Medical Ninja took the opportunity to escape using the Body Flicker Technique, leaving behind only a large medical robe.

"There were a lot of Explosive Tags stuck inside the clothes!"

Because of his intangibility, Obito saw the medical coat fall off, revealing burning Explosive Tags inside. A familiar sound rang out, followed by a series of loud booms!

"Little mouse, you can't escape."

Obito sneered angrily. He had finally caught Uchiha Yoru at his weakest point, and he couldn't let this opportunity slip by. This Medical Ninja was the one who had led him to his target.

Rumble~

Amidst the Kakkō of the exploding Explosive Tags, Obito face ashen, chased after the Medical Ninja. The two pursued each other through the dark passageway, unknowingly entering a huge cave.

"Heh, you're really loyal, aren't you? You even brought me to this abandoned, remote pit just for Uchiha Yoru."

It is clearly a natural stalactite cave, and it is also far from the location of Uchiha Yoru.

Seeing this, Obito was not angry at all, but instead revealed a sinister laugh. However, the next moment a red light appeared in the dark stalactite cave.

Immortal White Rage Technique

A red, glowing dragon holds a black bead. The dragon spins around the bead, then enters it, and the bead explodes.

However, the intense light and piercing sound emitted after the explosion instantly caused Obito immense pain in his hearing and body.

This technique uses air vibrations to paralyze the opponent's senses, causing a tingling sensation in their bones and immobilizing their movements.

"This is Senjutsu!"

Obito's entire body ached and felt numb, but he was mostly shocked as he watched this scene.

"Heh, Uchiha Obito, you might become a valuable resource in Lord Orochimaru's laboratory."

A figure slowly emerged from inside the stalactite cave; it was the Medical Ninja from before.

After using Sage Mode, the mysterious Medical Ninja grew two horns on his head, his eyes developed eyeshadow, and even his eyes developed snake-like corneas to obscure his vision.

"Konoha actually has a ninja as powerful as you!"

At this moment, Obito was shocked. The ordinary white-haired Medical Ninja in front of him looked too ordinary. With his gentle smile, he was simply an ordinary person who could be thrown into a crowd.

"Let me introduce myself. Konoha Jonin Kabuto Yakushi, currently the Orphanage, and also the Root Deputy Commander."

With Kabuto Yakushi slowly removed his glasses from the bridge of his nose, placing them in an exquisite glasses case as if they were precious items. He then handed them to a small snake, which swallowed them and transformed into a wisp of white smoke, returning to Ryūchi Cave.

"Kabuto Yakushi!" Obito frowned, racking his brains but never hearing the name before. His expression darkened as he said, "Uchiha Yoru is really good at hiding things; he even had such a powerful ninja like you hidden away."

Kabuto Yakushi, who entered the Sage Mode, didn't look like he did in the original timeline. Because he cultivated through talent, he naturally didn't have the terrifying giant snake on his stomach.

However, Kabuto Yakushi's snake form was quite powerful, but that didn't matter to him, since he wasn't pursuing absolute power.

"Heh, of course you haven't heard of me. After all, someone like you, a rat hiding in the shadows just like me, how could you possibly see your own kind? No! Or rather, you and I aren't even the same kind."

Now, Kabuto Yakushi, with a gentle smile, mocked Kabuto Yakushi, who resembled a philosopher. "You rat are nothing but a mentally unstable ninja, a psychotic ninja. You're no longer a normal ninja."

"What do you know!"

Obito, who had been lectured and mocked, immediately revealed a cold glint in his eyes. It was as if even a little rat could laugh at him now; it was utterly absurd.

Shadow Multiple Snake Hands

The next moment, countless large snakes emerged from the dark cave, attacking relentlessly, but they all passed right through. It was clear that Obito had entered a Hollowfication state.

At the same time, Kabuto Yakushi had disappeared and hidden himself away, because even Obito Time couldn't detect him while he was in Sage Mode.

"Damn it, you really are a venomous snake lurking in the shadows."

Obito a slightly annoyed sneer. He didn't have time to waste here. The next moment, he formed hand seals and instantly unleashed a terrifying Fire Release Ninjutsu.

Fire Style: Blast Wave Wild Dance

Mangekyo Kamui distorts the surrounding space and creates a vortex-like storm, then Fire Style spews out spinning fire serpents from its mouth.

The next moment, a vortex-shaped storm combined with a spinning fire serpent formed a huge rotating flame, instantly illuminating the entire cavern. The terrifying range of the Fire Style completely engulfed the entire cavern.

At the same time, the countless giant snakes screamed and were burned to ashes the moment they came into contact with the Fire Style.

Rumble~

After the Fire Style, all the moisture inside the cave was completely dried out, and the cave was glowing red-hot under the scorching heat.

Just then, the sound of a coffin lid being opened came from afar, Obito's expression changed drastically.

Summoning Jutsu: Impure World Reincarnation

Behind the broken bunker, a dozen or so coffins appeared, and Obito's pupils contracted upon seeing this.

Besides Konoha, there's someone else in Orochimaru who knows this Forbidden Technique! Damn it!

"Heh, we've been found out!"

Upon being discovered, Kabuto Yakushi showed no sign of nervousness. Instead, he smiled calmly and slowly as more than a dozen coffins were opened, from which figures emerged one by one.

"These are all powerful Rogue Ninja or Jōnin from Iwagakure Kumogakure. Perhaps they are not strong enough, but together they should be able to hold you off for a while."

Kabuto Yakushi smiled with a wise glint in his eyes, "I really envy you, Obito. You managed to resurrect some powerful figures so Impure World Reincarnation on, and you even housed their souls in their Edo Tensei Bodies, making it impossible for Lord Orochimaru and me to summon them."

"Damn it, your Chakra!"

Uchiha Obito stared intently at Kabuto Yakushi. Through his Mangekyō Sharingan and Rinnegan, he could clearly see that when Kabuto Yakushi performed this Forbidden Technique, it consumed far less Chakra, while Obito himself consumed at least three times as much Chakra as Kabuto.

The wise Kabuto Yakushi could easily see through Obito's gaze. He simply smiled calmly and said, "There's nothing I can do. After all, I don't have the First Hokage Wood Style Cells like you, so my Chakra reserves are naturally not an advantage. Therefore, I chose to improve and optimize my Ninjutsu."

"I've modified these Ninjutsu, even those Forbidden Techniques that consume too much Chakra, to suit my own needs. This is my improved version of the Impure World Reincarnation. I hope you like it Obito."

Rumble~

The next moment, more than a dozen Impure World Reincarnation Jōnin Edo Tensei launched an attack. Under the bombardment of various Eight Gates and the combined restraint of Ninjutsu Taijutsu, Obito suddenly felt a sense of frustration.

"Kabuto Yakushi! I'll remember you!"

After fading into nothingness, Obito spoke coldly, watching Kabuto Yakushi disappear. He had already memorized this seemingly ordinary Jōnin.

Konoha truly is a place where hidden talents abound. It deserves to be called the cradle of geniuses in the Shinobi World. Apart from the Kage Level powerhouses on the surface, there are such terrifying beings hidden in the shadows.

With his Sage Mode and the Forbidden Technique Impure World Reincarnation, Kabuto Yakushi is enough to place him among the Kage Level fighters.

In particular, Kabuto Yakushi is almost entirely proficient in Orochi-style Ninjutsu, which is notoriously difficult to kill.

"Found it!"

In the darkness, Obito finally discovered Uchiha Yoru's hiding place, and a smug smile appeared on his face as he looked at the barrier that had been erected.

However, in the darkness, a figure slowly opened its eyes, a cold glint shining through the mysterious purple concentric circles of patterns.

Summoning - Demonic Statue of the Outer Path

As the earth shook and the ground cracked, and the dust settled, Uchiha Obito smiled as he summoned the Demonic Statue of the Outer Path.

A gigantic humanoid figure wearing shackles, with nine eyes, its color and body resembling withered wood, and ten pillar-like protrusions on its back.

In the instant it appeared, it destroyed the surrounding barrier. However, the next moment Obito suddenly felt a sense of crisis. In the darkness, his eyes met those mysterious purple Rinnegan.

"Not good!"

Waaah, sorry, I fell asleep.