Naruto: Uchiha Madara's Cousin

"Weapons, a fan?"

Upon hearing the word, the first thing that came to Uchiha Gin's mind was the Gunbai enshrined in Uchiha Tajima's household.

He knew that the fan could enhance Wind Release to control Fire Release techniques and reflect attacks, but it only increased combat power slightly.

If Uchiha Tajima treated that fan as a trump card, it would be quite disappointing.

"Weapons don't have to be ninja tools. Just like our Uchiha clan, the strongest weapon has always been this."

Uchiha Igaku shook his head, denying Gin's assumption, then pointed to his own eyes.

Fully aware of the bloodline-centered nature of the world of Naruto, Gin nodded in agreement.

"So, Uchiha Tajima's weapon is a pair of Mangekyō Sharingan."

Igaku nodded in confirmation, "Yes, it's you and Nameless."

...

At the same time, inside the Uchiha clan leader's building, several figures were secretly discussing in the clan leader's office.

"Clan Leader, Uchiha Ryuei has already extracted the location of the sealing ground from the Sarutobi clan."

The round and stout Uchiha Hiro spoke with his head lowered, his tone both fearful and somewhat proud.

"Can we confirm its authenticity?" Uchiha Tajima, who had his eyes closed in meditation, asked coldly.

"There's absolutely no problem," Uchiha Hiro guaranteed, thumping his chest.

"Elder Haru, is the control device ready?"

Satisfied with Hiro's report, Tajima turned his head to Uchiha Haru, who was sitting to the side.

"The control device, which incorporates multiple sealing techniques, has been tested and is ready."

The gaunt Uchiha Haru also lowered his head, speaking slowly and steadily.

"Good! This time, we must not repeat past mistakes. The Uchiha clan will rule the entire Warring States period."

After listening to the reports, Tajima slowly opened his closed eyes. His Mangekyō Sharingan, marked by eerie patterns, swirled with a suffocating aura.

"Is that old man Igaku still behaving himself?" Tajima's piercing gaze landed on Uchiha Hiro, who was acting like an ostrich.

"He spends his days reading, writing, and studying outdated topics. Nothing suspicious."

Wiping the sweat from his forehead, Hiro reported truthfully, panting slightly.

"Sigh, after all, he was once my teacher. As long as he doesn't cause any more trouble, let him go once everything is settled."

Tajima's eyes dimmed slightly as he sighed.

"The clan leader is merciful," both Hiro and Haru praised in unison.

...

Inside Cell Zero, Uchiha Igaku and Gin sat facing each other. Igaku's expression was filled with pity as he spoke with deep sadness.

"The despicable Uchiha Tajima, through years of brainwashing experiments, has completely erased your free will. He turned you and Nameless into his pawns."

"And through Uchiha Haru's research, your Mangekyō and Nameless's are highly compatible. When the two of you combine your eye techniques, it's a synergy of 1+1 is more than 2."

"You've said so much, but what are our Mangekyō abilities?"

Unable to hold back any longer, Gin asked eagerly.

Ever since learning that his original self had once possessed the Mangekyō Sharingan, he had been curious about its abilities.

"Your right eye holds Amaterasu, the flame said to be the strongest never ending flame."

Igaku said with a nostalgic tone. Gin instinctively touched his right eye. The fact that he could activate Amaterasu with only two tomoe had once made him think it was a system cheat, but it turned out he had always possessed the ability.

If his right eye had Amaterasu, then his left eye…?

Remembering the unfortunate incidents since he transmigrated, Gin instinctively clenched his lower back.

"Your left eye can unleash Tsukuyomi, the Uchiha clan's most powerful genjutsu."

As expected, his Mangekyō abilities were identical to those of Uchiha Itachi.

No wonder his system kept unlocking these particular skills.

Reflecting on how his backyard skill-refresh mechanism worked, Gin realized that Tsukuyomi and Amaterasu had a much higher chance of being unlocked because he had originally owned them.

This was why those abilities were refreshed with such precision.

As for the "super strength" ability that had appeared, that wasn't random either.

It had been refreshed on the day Uzumaki Mito, a member of the Uzumaki clan, used her super strength.

Moreover, the system had awarded him a trace of Uzumaki bloodline, allowing him to unlock the super strength ability that night.

What seemed random was actually traceable. Stroking his chin, Gin began to think about how to better use this pattern to refresh more practical skills.

"Your Mangekyō represents the strongest physical attack and genjutsu, which in Uchiha Tajima's eyes makes you a perfect weapon."

Igaku said gravely.

"And Nameless's Mangekyō..."

Hearing Igaku mention the other Mangekyō, Gin quickly gathered his thoughts and listened carefully.

"Nameless's Mangekyō ability is called 'Kagutsuchi,' an amplifying technique that allows her to manipulate flames into various forms for offense or defense."

Kagutsuchi!

Sasuke's Mangekyō technique, which works perfectly with Amaterasu to enhance damage and add flexibility.

"Nameless's Kagutsuchi seems to be born for your Amaterasu. When combined, your 'Blaze Release (Enton): Kagutsuchi' becomes a death scythe on the battlefield."

As Igaku spoke, a hint of madness appeared in his eyes, mixed with a deep sense of satisfaction that Gin couldn't fully understand.

"And what is her other eye's ability?"

Seeing Igaku getting carried away, Gin interrupted him.

Igaku almost choked on his breath at his grandson's impatience.

Taking a deep breath to compose himself, he continued.

"Nameless's other Mangekyō ability is called 'Yasaka's Spear.'"

Yasaka's Spear?

Gin hadn't heard of that ability before, unlike the few well-known Mangekyō techniques in future storylines.

Noticing Gin's confusion and urging gaze, Igaku hesitated for a moment before explaining,

"Yasaka's Spear is a unique ability. It allows her to imprint a mark on others. As long as someone bears the mark, she can control their mind and chakra through a connection."

Upon first hearing this, Gin thought it sounded like a control-type skill, useful in both duels and large-scale fights. Not weak, but not overwhelmingly strong either.

"Are you thinking that this ability isn't very impressive?"

Igaku saw through Gin's initial disdain for Yasaka's Spear and spoke up.

Gin didn't deny it and nodded.

Such a skill likely had strict conditions for activation.

Otherwise, if you could mark anyone at will and control them like puppets, it would be too overpowered, akin to the Infinite Tsukuyomi of Kaguya Otsutsuki.

As Gin's thoughts spiraled further, cold sweat began to trickle down his back.

Swallowing his dry throat, he looked at the old man before him and asked in a trembling voice,

"Can Yasaka's Spear be combined with my Tsukuyomi?"

Igaku nodded, his face grave as he replied,

"Yes, when Nameless's Yasaka's Spear is applied to your Tsukuyomi, it pulls the red moon of your genjutsu world into reality. Anyone touched by the moonlight gets marked. We call this technique…"

"Inscribed Tsukuyomi."

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