Uchiha Madara summoned several White Zetsu, one of which had a swirl-shaped head, and coldly ordered: "You guys, help him recover a complete body. At least let him train and fight."
He then said to Obito indifferently, "I'll give you time, Uchiha Obito..."
Madara stared at him and continued, "When you have recovered, you will be able to see with your own eyes the world after the war. You will be able to travel the shinobi world in search of the light of peace."
He turned and began to walk away. "When you find nothing, you will return of your own free will."
After his departure, the White Zetsu laughed and joked, trying to befriend Obito.
"Hello, what does it feel like to poop?"
The spiral-headed white Zetsu looked at it excitedly, exclaiming loudly, "It sure is something very interesting!"
Obito's face twisted. Just a moment ago they were talking about world peace, and now they had changed to such a ridiculous topic!
Meanwhile, deep underground, Black Zetsu slowly nodded. Madara's words were even more convincing than he had anticipated.
From a logical point of view, it all made sense. And when he, like Uchiha Rin, 'died', Obito, caught up in the whirlwind of his emotions, would be trapped in Madara's ideology without being able to escape.
At that time, Black Zetsu could adopt a new identity and become Obito's advisor.
Black Zetsu knew Obito well and was confident that he could manipulate him at will.
"Too bad... If the war in the shinobi world hadn't become so complicated because of Uchiha Kazuki, I could have said some final words to Obito and given him some meaningful memories to motivate him to become the supposed savior."
"But with the intensity of this war, it would be best to make my death quick and clean, to avoid unnecessary trouble."
Black Zetsu quickly slipped underground, returning to the battlefield.
After all, Uchiha Rin cannot die now...
Creating this body had required Madara's help, and if it wasn't necessary, Black Zetsu preferred not to have to talk to that annoying old man.
When he finally returned to Rin's body, she cautiously opened his eyes, preparing to assess the situation and look for an opportunity to use the Mayfly Technique, avoiding enemy attention and returning to Konoha's ranks.
However, before she could react, she felt a warm hand placed on her back.
"Rin, have you woken up?" Kazuki's voice echoed from beside her. He smiled calmly, as if he had appeared out of nowhere.
Black Zetsu inside Rin's body shuddered. He had been observing the battlefield underground with the Mayfly Technique, but at no point had he detected Kazuki's presence!
And why was Uchiha Kazuki on the Iwagakure battlefield?
According to White Zetsu reports, Kazuki should have defeated Kirigakure and is now reorganizing Kirigakure's leadership. He should be too busy to be here...
First, Onoki had ruined his plans, and now, Black Zetsu was feeling like everything was out of his control again.
"Kazuki... Kazuki-kun, why are you here?"
Uchiha Rin's body, controlled by Black Zetsu, showed an impeccable performance.
Confusion, headache, melancholy, disorientation... A combination of complex emotions was reflected on her face without leaving the slightest imperfection.
"Wait a minute, Obito... How is Obito!"
Black Zetsu interrupted his performance and turned his gaze to a huge hole in the ground nearby. It was the result of the Dust Release, which had disintegrated everything in its path...
Kazuki watched Black Zetsu's performance. As the best actor in the shinobi world, he couldn't help but internally give him a thumbs up.
"Obito... I didn't see him when I arrived."
Kazuki played along with the flow of the conversation, letting a sad expression appear on his face as he scanned the battlefield. "I received information from headquarters that the defense line against Iwagakure was in danger, so I used the flying ninja tools to return immediately."
"As soon as I got here, I found you lying in a pile of corpses. The other enemies have been killed by me."
"Rin, be strong and believe that Obito can survive."
Kazuki put a little force on Black Zetsu's shoulder, as if he wanted to pass on its confidence to it.
At that moment, Black Zetsu began to cry bitterly, but inside his mind was working at full speed. Taking advantage of the opportunity, it activated a secret technique to analyze Kazuki's bloodline.
This is the opportunity it has been waiting for!
Black Zetsu was interested in Kazuki's origin.
The reason Black Zetsu could always tolerate Uchiha Madara was because there was no other body with the ability to withstand the chakra needed to revive his mother.
Not even Obito, with his exceptional talent and his half-transformation into a Sage's body, was enough.
And now, judging from the bond between him and Obito, Black Zetsu subconsciously gave up this idea and let Uchiha Obito be a servant. There was no reason for his mother to have to live with a mediocre container.
But Kazuki...
Kazuki was the second great opportunity that Black Zetsu had found in a thousand years.
A body fused with multiple direct bloodlines of the Otsutsuki! If it could fully develop, it might be able to achieve the necessary strength.
That being the case, it was always good to have a spare.
Taking advantage of the moment, Black Zetsu pretended to be devastated by Obito's 'death' while analyzing Kazuki's lineage with all his might.
In an instant, the expression on Rin's face froze. Inside her body, Black Zetsu opened his eyes in disbelief.
Not Uchiha, not Senju, not Kaguya, not Uzumaki, not Hyuga...
Even knowing that Kazuki had awakened the Shikotsumyaku, Black Zetsu had remained cautious. After all, the usurpation of Kekkei Genkai was not something new in the shinobi world...
But now, Black Zetsu could clearly sense it.
Kazuki's bloodline was a complete fusion, it was one bloodline! From his perspective, his level surpassed even Madara's body, who had awakened the Rinnegan by combining Indra and Asura's chakra to manifest the power of the Sage of the Six Paths.
In the end, the Sage Body was a recreation of Hagoromo's power.
However, Kazuki's bloodline does not belong to the Hagoromo bloodline, nor was it even a bloodline belonging to Hamura...
This could no longer be explained simply by using forbidden techniques!
So...
Who the hell was Kazuki really?!
[From the Black Zetsu target: You gain a special talent - Black Zetsu's Ramblings!]
[Black Zetsu's Ramblings]: Every time you cause an emotional fluctuation in Black Zetsu, your bloodline fusion will grow closer and closer to one directly derived from Otsutsuki Kaguya.
Kazuki smiled slightly.
Indeed, the greatest gain would not be gained by rushing to deal with Onoki, but by calmly waiting for Black Zetsu to awaken...
What importance did a simple Kekkei Tota have compared to a being linked to the Kekkei Mora?
Until now, the mere presence of Black Zetsu and his special ability made Kazuki consider him as his number one brother...
Well... or maybe his 'number one sister'...
"This is war, Rin..."
Kazuki gently stroked Rin's head and then took her arm, engraving a mark of the Flying Thunder God on it.
However, the mark was inscribed in such a way that it formed Uchiha Obito's name, in elegant typography.
"War is always cruel," he said calmly. "And it will make no exceptions for any ties of affection we may have."
Kazuki continued calmly, "If you're in danger, channel chakra into the mark. I'll sense it."
"You were Obito's friend," he continued. "I will do everything I can to help you survive this war. Instead of staying trapped in pain, I want you to grow stronger. You still have an important role to play."
Patting Uchiha Rin on the shoulder, Kazuki concluded, "I'm going to the front lines. Be careful, Rin."
Black Zetsu bowed her head in respect. "Thank you, Kazuki-kun."
As Kazuki walked away, Black Zetsu's gaze turned thoughtful.
The purity of Kazuki's bloodline aroused many conjectures in his mind...
Is he an enemy or a friend?
The closer one was to the Otsutsuki source, the clearer his position would be.
Black Zetsu knew from his mother's memories that the Sage of the Six Paths and the clan member she had betrayed in a sneak attack still existed in the shinobi world.
If Kazuki was linked to them, he would be an enemy to be eliminated.
If he wasn't... then he must have an inseparable connection with Kaguya.
But, if that was the case, there was no reason for Black Zetsu not to know about him!
"Uchiha Kazuki's attitude towards me is also very ambiguous..."
Black Zetsu looked at the name Uchiha Obito engraved on Rin's arm with a complicated feeling. "The design isn't bad... Good taste."
"Planting the Flying Thunder God Mark, is this to protect me or monitor me?"
"But in any case, it can be confirmed that my hidden identity is still successful. To think that I had previously believed that it had been exposed due to being too cautious..."
Black Zetsu took a slow breath. If Kazuki knew that Uchiha Rin was a creation of White Zetsu, he wouldn't have tried to control him with a simple mark.
After all, losing an arm meant nothing to a being like Uchiha Rin. By simply regenerating, Black Zetsu could rid himself of the mark and fool Kazuki.
"In that case, when the time comes, I'll throw away this arm to keep Uchiha Kazuki away from me and leave more room and maneuverability for the script of Obito's fall into darkness. That way, I'll be more confident in being able to manipulate history more freely!"
Mentally calculating, Black Zetsu whispered, "Madara's words to Obito are too vague. Although they have a certain level, he doesn't fully understand Obito's personality."
An idea formed in his mind. "I could write a diary... Document my life together with him, reflecting my longing for peace and my aversion to war. That way, when the time comes, his determination to carry out the Eye of the Moon Plan will be unwavering."
Black Zetsu had one fear. If Obito were to meet Kazuki and not completely sink into darkness, he could redeem himself!
But in Black Zetsu's mind, Kazuki had made a miscalculation, he had underestimated him.
"You think you can control Uchiha Obito's heart, Uchiha Kazuki?" He let out a low laugh. "Don't make me laugh! No one knows him better than me."
But what Black Zetsu didn't know was that Kazuki, instead of leaving, had secretly returned to the place.
Hidden, he watched as Uchiha Rin amputated her marked arm and began writing a fake diary.
Kazuki smirked. "So you think you're out of my control, right?"
Standing next to Black Zetsu, he silently watched the scene.
Kazuki has already decided that he will personally control the second act of Obito's descent into darkness and become the strongest director in the shinobi world.
With that decision in mind, Kazuki turned around.
'First, let's look at the battlefront. Until Uchiha Obito is ready, Black Zetsu will not leave Konoha's ranks...' Kazuki analyzed the situation. 'Jinchuriki... I need to find a way to obtain their chakra from them.'
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