Saga of Tanya the Kunoichi

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Naruto strikes the ground with all his might, his 6 tails rampaging, causing shockwave after shockwave. As if throwing a tantrum, he blasted rocks and buildings, hurting anyone in vicinity. Causing injuries and even deaths to shinobi trying to stop him.

ROARRR!! 

Naruto roared in pain.. The bloody tears flowing down its demonic eyes vapourized instantly. Positive and negative chakra gather and concentrate…

Tanya looking from afar bit her lips again, even causing it to bleed slightly.

Naruto…

She is shaking with frustration and even anger at seeing Naruto like this. How could this happen? How could Naruto, the brother that always had an unassuming smile be like this! Where did it go wrong!

She felt disappointment over herself - because a part of her felt it was her failure to uphold her responsibility that eventually led to this. And that a part of her felt powerless seeing the destruction and power Naruto had.

Unless… unless she can take hold of the same power already inside her…

But she has no idea how to to begin with, and the possibility of turning into the same mindless monster as well. Too much risk. With uncertain return. Not to mention the consequences in the long run.

Naruto is about to land the bijuudama. But as his mouth about to blast it-

The ground beneath Naruto trembled and broke open. A long rod expanded from underground and smashed onto Naruto's jaw redirecting the blast upward!

BOOM!

Naruto is flung like a ragdoll from the hit and smashed into the house. 

Roarr!!! Naruto let out a cry at Hiruzen as he crawled out of the crater.

Hiruzen looks at Naruto with pity and sadness. He can hear and feel the pain inside of him.

Minato… I had failed you…

Hiruzen self-reflected again as he prepared his staff. He needs to stall Naruto until Tenzo and the sealing team arrive.

Raaww!!!

Naruto burst in speed, charging into Hiruzen!

Hiruzen weave hand seals - Earth Release - Mud River Flow!

The ground beneath Naruto turned into a sliding flowing mud, causing Naruto steps to slip, lose his footing and fall into the flowing mud.

Taking the chance, Hiruzen weaves a combo jutsu.

Earth Release - Mud Wall! 

Hiruzen shoots mud from his mouth; burying Naruto in it. Fire Release - Fire Dragon Missile!

Flames shoot out at fast speed, engulfing the mud burying Naruto. The mud hardened in an instant, trapping him.

But how could that trap him?

Boom! Boom!

2 tails broke through the earth trapping him. Wave of chakra exploded from the beast.

Crack…crack..! Roar!!! 

Naruto burst out from his entrapment. 

He roared madly as he grab onto the nearby tree and objects with his limbs and threw them to the old man!

Hiruzen dodged with skill, using his staff to destroy the incoming attacks. The projectiles landing behind Hiruzen cause buildings and terrain to be damaged.

Naruto once again charges up a bijuudama - and he fires multiple waves of attacks at high speed!

Hiruzen's eyes widened, his fingers fast - Earth release - Earth Wall! A thick wall made of earth erect just in time.

Boom! Boom! Boom! Each hit took away pieces of the earth wall. 

Boom!!! It managed to block the final attack but the shockwave sent Hiruzen flying meters backward.

2 ANBU finally came to support Hiruzen. Naruto starts to rush up with his dark red limbs stretched out, wanting to crush all of them!

The three in tacit understanding of stopping Naruto launched a combined attack.

Water Release: Water Waves!

Rushing flood of high current water crashed directly into Naruto, causing him to drown and lose the ability to move under the pressure and current of the water.

Naruto uses his tails and hands to hold onto the nearby building and infrastructure as he's withstanding the current.

After the jutsu was over, Naruto crawled out of the rubbles. 4 tails burst forth destroying everything nearby. His roar caused a shockwave to blow everything around him apart, creating a large crater around him.

The fight continues. Hiruzen used shadow clones and various jutsu to weaken Naruto.

Finally Yamato and the sealing team had arrived. Hiruzen looked to the side, seeing them with relief.

'Tenzo! I will create an opportunity for you!'.

Shadow clone jutsu! 2 more clones appear at the side of Hiruzen.

The 5 Hiruzens surrounded the transformed Naruto, and performed the explosive 5 Element Jutsu combination.

Each of them shoots waves of fire, water, earth, lighting and wind, combined into a massive burst of power!

The beast let out a roar of pain as it withstood the attack; weakened a lot from the blast.

Yamato and the sealing team quickly use this opportunity.

Woods started to grow out of the ground, binding Naruto and also had a suppressive effect. The sealing squad each places a scroll on the ground each. Slamming their hand into them, fuin symbols shoot outs and crawl from the scroll and cover Naruto, further binding him.

Tobi, who's been watching since earlier, decides to make a move now. His existence as Uchiha Madara is exposed anyhow. And it won't matter as long as he doesn't reveal his ability to avoid risk.

Tobi uses body flicker, and with his strength and skill alone he kills a sealing squad member as easy as ant.

Uchiha?! Hiruzen saw the mask and the sharingan in the right eye. He and the 2 ANBUs with him quickly went forward to engage with him.

But Hiruzen had exhausted his chakra and stamina, and Tobi mostly ignored them and instead targeted the sealing squad members and finally - just kicked Yamato away and injured him severely before he can suppress Naruto.

ROAARRR!! 

Tobi sees the beast finally escape the binding. He thought it's already fun enough and just flickered off with a smirk.

Hiruzen turn to one of the ANBU,

"Chase him! But do not engage!".

The ANBU nodded and went ahead to chase Tobi. (Which tobi kill easily later).

Hiruzen looks at the injured and battered sealing squad members, and Yamato who's bleeding profusely on the ground. His shadow clones took them away to find a medical ninja and treat them quickly.

Tobi thought he had enough and decided to leave. He enters the Kamui dimension, assuming it's over for them. Naruto would return back to normal after a while anyway since it's only temporary. His goal to weaken Konoha and kill the Uchiha is achieved.

***

Tanya seeing the scene clenched her fist so tight it's turning white.

She's… afraid for Naruto's life. Seeing the 3rd using such a powerful jutsu towards Naruto almost made her heart stop. The possibility that Naruto might die. Or if they decide to kill Naruto. She felt wave of frustration and anger.

Badump!

Tanya felt a calling inside her. The moment she blinks, she's back in the subconscious space.

"Kyuubi". Tanya looks warily.

"You want to stop your precious brother don't you… hahaha…".

…

"I will give you power… Come here… Come close and take it!". Kyuubi clenched his claws on the gates. 

Kyuubi believes this is a chance to overtake her using her rare vulnerable emotions. A moment of opportunity to pry the seal and take over her body.

Flood of red chakra leaks out from the gates, but not reaching Tanya who steps away from the evil chakra.

Tanya looks warily. But when she thinks about Naruto, she steeled her resolve. 

A 'god' that had stronger power had wanted to control her will and had failed. This time, she will not surrender either! A fox is nothing compared to Being X! And Being X is nothing compared to her will!

Rush of adrenaline runs through her body as she's going to do something completely insane. 

This is suicidal. But what choice do I have? That damn Being X, I knew You would eventually do this to me!

Huh? 

The frustration, fear, anger and adrenaline rush at the crazy decision she's making caused her to force a smile. Massive soul pressure rushes outward from Tanya, her eyes gleaming with almost what can be called insanity, as if she could kill the entire world with her bare hands. As if something at this moment snapped.

She stepped forward and stood an inch before the gates, her eyes locking with Kyuubi, like two crazy demons facing each other.

Tanya stretched her hands towards Kyuubi, as if welcoming him fully. A smile that covered almost half of her face stretched on her lips; with a crazed light in her eyes sending chills even to Kyuubi. After 7 years of peace in the shinobi world... 

The Devil of the Rhine returned.

"COME! I… WILL TAKE YOUR OFFER!!!", Tanya steps forward and willingly basks herself in 9 tails chakra… her expression grows more and more sinister in Kyuubi's view as she takes in his chakra.

Kyuubi felt like he might be making a mistake, but shook that thought away. 

No. No, I-I can't be afraid of this mere human! S-She won't be able to control my power! For certain! 

Kyuubi returned to a face of confidence and pride.

Red chakra leaks out from Kyuubi more. Tanya willingly lets every evil chakra flow into her- instantly engulfing all of Tanya's body wanting to devour her mind.

Kyuubi grinned in mocking, thinking the foolish brat dared to take all of his power. She will definitely lose control and he can take her over - or so he thought.

***

"Naruto! Are you there?! Listen to gramp!", Hiruzen shouted, as if trying to find any hope of waking Naruto up from voice alone.

Hiruzen wondered if there's no other choice. If this is the end of his life. If he used the death reaper seal, he might be taking Naruto's soul along with it. He is unsure if he can perfectly take only the 9 tails chakra into him and not touch Naruto's. 

But… there might be no other way.

I hope you can forgive me, Minato, Kushina.

Hiruzen's will of fire ignited. His death will be the catalyst for new generations. Hiruzen is about to weave hand seals for the Dead Demon Consuming Seal, but he suddenly felt a heavy pressure descending, a powerful, similarly if not more evil than Naruto's appear not far away. 

NO! IMPOSSIBLE! TSUYU TOO?!

Hiruzen is in panic as he had to turn around to look at the source of the chakra.

On top of the building, the bright red moon shines its light towards the figure.

The wave of chakra and pressure alone caused the building to crumble bit by bit.

Bubbles of dark red chakra covered Tanya. Tanya felt like her entire body was burning and her blood was boiling with power.

AAHH… it hurts so much… like my body is burning inside out. But this power… this feeling… so much hatred.

Hnn~! Tanya let out an evil smile subconsciously, feeling the corruption on her emotions and the mind. 

Ahhh… I feel like killing and destroying everything…haha… no wonder… is this how you feel brother. 

But compared to what Being X had done, this is nothing at all.

I clenched my fist.

I will stop you myself!

Tanya's sinister grin remained but her mind never lost it. The burst of evil red chakra that's wild and exploding suddenly became very tame. 

The dark red coat of chakra covered Tanya's entire body like living - constantly shifting cracks of webs.

While part of her face was left uncovered, the area around her eyes untouched as if telling the semblance of humanity she had left. Her sinister grin appears even more sinister with her white teeth and fangs amidst the dark-red skin. Her hair turns longer, coated with dark-red power, turning into 5 distinct appendages swaying in the air. It's a completely different transformation than Naruto's - a perfect Jinchuriki.

Kyuubi is shaken to his very core.

HOWWW??!! THIS CAN'T BE POSSIBLE!!! 

***