Naruto: Getting Observation Haki By Sacrificing The Byakugan

Madara Uchiha had always prided himself on his power and foresight, but even he couldn't ignore one truth: Tobirama Senju, despite being his greatest annoyance, was a genius in the art of ninjutsu development.

As Madara pondered the similarities in growth between himself and Tobirama, he sensed a presence.

Nagato walked in, quiet and composed, yet his eyes held intensity. Without any formalities, he addressed Madara directly:

"Madara, I heard you're planning to attack Konohagakure."

Madara raised an eyebrow, amused. "Oh? And who told you that? Was it that useless Obito?"

He chuckled, then continued, "I've taken an interest in a child from Konoha—the one who bested you last time. I see great potential in him. I intend to recruit him personally."

Nagato's expression darkened. His fists clenched at his sides.

"Madara, I oppose this," he said firmly. "The people of Konoha are butchers. Ever since Danzo orchestrated the massacre in Amegakure, I've had no love for that village—only hatred."

Behind him stood his companions, Yahiko and Konan. Yahiko remained silent, a heavy look in his eyes, while Konan had wept openly when she first learned of the tragedy. The ideals of their Akatsuki—peace through understanding—felt hollow in the face of such violence.

But Madara didn't care for the ideals of a few disillusioned youths.

"You oppose me?" Madara said, slightly amused. "And what gives you the right to object? This is my will, and you are merely a vessel for my Rinnegan. You will obey."

Nagato's Rinnegan glowed faintly, its power responding to his emotions, but he didn't act. He knew the truth: without the Rinnegan, he was nothing to Madara. His strength was still inferior—resistance would be pointless.

After a moment, Nagato spoke again, this time more coldly. "Then take me with you to Konoha. If I can't stop you, I want them to feel our pain—the pain they brought to our home."

Madara, seeing through Nagato's motivations, didn't stop him. He, too, held no love for Konoha. If Nagato wished to unleash destruction upon them, so be it.

As for the child he'd taken interest in—Kawaki Aoba—it didn't matter. If the boy died, Madara would simply retrieve his eyes. That was his true goal.

Without further delay, Madara activated Kamui. Though not as instantaneous as the Flying Thunder God Technique, the full power of Kamui—when both Mangekyō were used—allowed him to open and link multiple space-time portals. Obito had previously placed a Kamui exit within Konoha, making infiltration possible.

However, as Madara attempted to open the Kamui exit to Konoha, something went wrong.

No matter how he manipulated his chakra, the marked portal refused to respond.

The exit can't be opened?

No—this wasn't a failure of the Kamui technique. The mark itself had been interfered with.

Other portals worked fine. The issue lay specifically with Konoha.

Just then, Obito appeared in the Kamui dimension, looking concerned.

"Konoha couldn't have discovered my spatial mark. That's impossible," Obito said. "They must have activated a large-scale space-time barrier—one that scrambles dimensional access points."

He continued, "Maintaining that kind of barrier consumes an immense amount of chakra. They won't be able to sustain it for long. Once they drop it, we can strike."

Madara glanced at him, unimpressed.

"Heh. Trash," he scoffed, and without another word, he took Nagato and vanished from the Kamui space.

Obito remained alone, fists clenched, bitterness rising in his chest.

"None of you ever acknowledge me," he muttered, Mangekyō glinting with frustration as he stared at the fading space where Madara and Nagato had vanished.

Through the induction of the Kamui dimension, he sensed that Madara Uchiha and Nagato had traveled to the location marked farthest from Konoha.

Obito, for reasons unknown, stood still for a long while. Then, without hesitation, he activated the Kamui exit and followed after them.

The space-time marker Obito had previously set in Konoha had long been tampered with by Kawaki Aoba. Now that Aoba understood the peculiarity of Obito's space-time ability, he naturally had countermeasures in place.

Obito's reasoning wasn't flawed. When he placed the marker, it had been done silently, and he had roamed freely within Konoha for quite some time.

As long as he didn't activate the marker while Kawaki Aoba's Kenbunshoku Haki (Observation Haki) was active, detecting it would be a difficult task—even for someone like Aoba.

But who was Kawaki Aoba? Since he couldn't locate the space-time marker, he took a simpler, more brutal approach: he sealed off the entirety of Konoha's space-time access.

Yes, it was the so-called defense barrier. But this wasn't an ordinary barrier. In addition to standard defensive capabilities, it was enhanced to obstruct space-time travel and included advanced functions: detection, perception, and surveillance.

Although it appeared seamless and integrated, the barrier had two layers—an inner and outer layer. Between them, Aoba had inserted his own hidden mechanisms, personal additions unknown even to his subordinates.

And with such a defense system in place, no outsider could hope to detect anything unusual—unless they could somehow breach the barrier. But was that even possible?

Night had fallen.

Kawaki Aoba lay lazily in his chair, listening to Aokusa's report.

"My lord, our team has fully mastered the barrier's functions. Only those completely trustworthy are aware of its true capabilities. Its detection range is extraordinary—it covers every inch of the village. With this in place, the village has no secrets from you."

Aokusa spoke excitedly, but Kawaki Aoba remained uninterested.

To him, the barrier's features were unimpressive. Aside from space-time restriction and defense, everything else could be accomplished through his Kenbunshoku Haki.

He had only added the redundant features to delegate minor responsibilities to his subordinates.

Yawning lazily, he waved to Qingke and said, "Qingke, the barrier is your responsibility. Aside from the tasks I already assigned you, make sure your men stay in line. You know I dislike problems, so don't come running to me when things go wrong. For everything else—use your judgment."

Qingke felt his chest tighten. That was a subtle warning from Lord Aoba. Given Aoba's habitual laziness, he had granted Qingke substantial power. But it came with strings.

"I understand, Lord Aoba," Qingke replied, bowing deeply. "I'll ensure absolute discipline among the ranks and won't allow any mishaps."

Aoba nodded with satisfaction. He trusted Qingke, but some things still needed to be said explicitly.

He was about to dismiss Qingke when he suddenly stood up straight, causing Qingke to flinch.

But Aoba ignored him, his focus fixed on two powerful chakra signatures that had just entered the outer edge of his Haki perception.

Uchiha Madara and Uzumaki Nagato.

The two were approaching rapidly. At their speed, they would cover the distance of dozens of kilometers in minutes.

And then—there was a third signature.

Obito?

Why was he separated from the others?

Aoba didn't waste time speculating. He immediately commanded Qingke, "Send word—enemy incoming. Have everyone prepare."

Qingke's heart skipped a beat. He vanished with the Body Flicker Technique, moving with urgency. He knew that if Lord Aoba was issuing an alert, it could only mean one thing: the arrival of the legendary Uchiha Madara and the leader of the Akatsuki.

Given recent events in Konoha, Madara's appearance was the most likely.

While Qingke rushed off to manage the situation, Kawaki Aoba stepped outside and fired a flare.

A red explosion lit up the night sky—brilliant, vivid, and ominous.

Every ninja in Konoha who saw it froze, expressions darkening. Weapons were drawn. Preparation for war began.

They all knew what this signal meant.

Konoha was facing the most serious attack in its history.

The invader was likely Uchiha Madara—the Ninja World's Asura. A man with godlike power.

Many of them had seen the recording of his battle with the Akatsuki's leader. That video alone had seared the scale of Madara's might into their hearts.

He was a force of nature—unbeatable even by an alliance of villages.

Even the clan elders and elite ninja began moving their families into underground shelters. Though they trusted Kawaki Aoba's barrier, none dared to underestimate Uchiha Madara.

Kawaki Aoba had never fought Madara before. That uncertainty was a heavy burden on everyone's mind.

Still, retreat was never an option.

Even if they wished to defect, Madara likely wouldn't accept them.

And for those considering betrayal, Aoba's ruthless reputation loomed large. The Hyuga Clan and Root had already served as cautionary tales. No one doubted that Aoba would cut down traitors without hesitation.

As the red flares continued to rise, the village mobilized. Elite shinobi raced to their positions. Civilians were ushered into shelters, though space was limited.

Most didn't fear a breakthrough. They believed in Konoha's strength.

Elsewhere, Konoha's elite response team assembled.

At the head stood Kawaki Aoba.

Beside him: Nara Shikaku, Akimichi Choza, Yamanaka Inoichi, Uchiha Fugaku, Senju Tobirama (revived via Edo Tensei), and Hyuga Hiashi—recently reactivated with a modified Caged Bird Seal. A chance at redemption.

"Sorry I'm late," said a familiar voice.

Namikaze Minato arrived, slightly out of breath. The Hokage had been finalizing preparations and ensuring that Kushina, pregnant with Naruto, was safe.

"It's fine," Aoba said. "The enemy is still a few kilometers out. We stick to the original plan—I'll handle Uchiha Madara."

He turned to the others. "Besides Madara, there are two more incoming. One is likely the same Mangekyō Sharingan user Minato previously encountered—Obito. The other has even greater ocular power. Be on guard."

Minato and Tobirama both stiffened.

Minato knew: it was Obito.

Tobirama, recognizing the chakra, thought of the man with the Rinnegan—Nagato.

Only the Rinnegan surpassed the Mangekyō in sheer ability.

Seeing their expressions, Aoba knew they understood.

Then he gave the order

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