Naruto : Cruel Rebirth

Konan asked, "Valley Of Hell? I've never heard of such a place." 

Naruto smiled. "That's one of Kumogakure Village's highest secrets. I only found out about it after becoming Hokage." 

"It's extremely hot and cold, the climate there is harsh to the extreme, making it a deadly place for ninjas. But it's also the perfect place to train the body. Only the Raikage and their successors are allowed to enter and train there. Just one day of training there can be as effective as a hundred days elsewhere." 

Konan was amazed. "A place like that must have a big background, right? Was it formed naturally? I don't know of any ninja who could create such a place." 

Naruto shook his head. "It wasn't natural. It was created by a descendant of the Sage of the Six Paths during his time." 

Konan was even more surprised. "A descendant of the Sage of the Six Paths?" 

Naruto's gaze deepened. "Kumogakure is located in the Land of Thunder, which has close ties to the Six Paths of Ninja. The descendants of the Sage of Six Paths once spread out there..." 

"Because of this, Kumogakure inherited several of the Ninja Tools that the Sage of Six Paths once possessed." 

"Even the infamous brothers, Kin and Gin, from Kumogakure, had not only the bloodline of the Yotsuki clan, but also a little bit of the Uzumaki clan's blood. This was a truth I only discovered later when I researched the Uzumaki clan's family tree..." 

"Not only the Valley Of Hell, but also the real waterfall on Turtle Island, a sacred place that can help one focus the mind, is controlled by Kumogakure. I once went to the real waterfall to harness Kurama's power."

Konan couldn't help but worry, "So, does that mean we'll have to clash with Kumogakure? I'll go with you."

Naruto smiled and said, "No need. Valley Of Hell isn't in Kumogakure Village; it's located in the Land of Thunder. I know the place. When I was Hokage in my previous life, I was once invited there."

"The environment there is so harsh that I can only endure it by activating Kurama's chakra mode. Sister Konan, you really shouldn't go there. Let me go alone this time." 

"Of course... to avoid any unexpected situations, I'll leave a clone behind in Amegakure. It'll be like I'm there in the village."

Hearing this, Konan finally felt a bit more at ease and reminded him, "Alright, just be careful."

...

Land of Thunder.

After using Flying Thunder God to get there, Naruto traveled through the night and arrived at the jungle outside Valley Of Hell at dawn.

Valley Of Hell, being a key area for Kumogakure, was heavily guarded. 

Naruto didn't rush in; instead, he activated Sage Mode to get a sense of the Kumogakure guards.

Among the Kumogakure guards, there were sensory ninjas, but Naruto was positioned outside their sensing range.

"Ha."

Naruto stood up, purple lightning surrounding his body. He took a deep breath and shot forward like a purple streak of light...!

Whoosh! A purple flash zipped past the Kumogakure ninjas.

"Did something just pass by?" 

"There's no one there, it must have been an illusion."

"I checked with my sensory abilities, no one's there!"

"I told you, who else could move that fast except Raikage-sama? But our Raikage-sama is currently training in Valley Of Hell!"

"Let's continue patrolling!"

... 

Passing through a mist, Naruto found himself inside Valley Of Hell.

The valley was surrounded by mountains, with only a small path leading deeper into it.

The sky was covered in what looked like volcanic ash, and everything around seemed chaotic and blurry.

The intense heat made the air look distorted.

Naruto recalled the past and couldn't help but smile, "Just like when I came here before, except back then I was invited, and now I've come on my own..." 

He followed the only path forward.

The further Naruto went into Valley Of Hell, the harsher the environment became.

After about half an hour, a large training platform built into the mountain wall appeared before him.

"I'll take it slow and adjust here for a bit."

Whoosh! Naruto jumped onto the training platform, slightly reducing the lightning around his body. 

Immediately, the effect was noticeable as sweat began to pour from his pores. Naruto closed his eyes tightly and endured the heat.

An hour later, the temperature suddenly changed, with intense cold replacing the heat. The sudden shift between extreme temperatures could have caused a normal ninja's heart to explode.

Naruto looked around and used Shadow Clones, but this time he only created one hundred clones due to concern about failure.

He spent a full day and night like this.

The Shadow Clones were dismissed. 

"Ha." Naruto took a deep breath and tried to eliminate the lingering lightning around his body.

Without the protection of Purple Lightning chakra, Naruto found he could finally adapt to the environment. He smiled with satisfaction, "Good... time to go deeper!"

He left a Flying Thunder God mark on the training platform, jumped down, and continued forward.

It wasn't until he felt discomfort in his body again that he activated Lightning Release chakra for protection. Reaching the second training platform, he followed the same process as before.

He continued like this, taking a steady approach, and moved further into the depths of Valley Of Hell. 

He knew well that the true essence of Valley Of Hell lay in the forbidden area at its deepest point.

His purpose here was to train in the forbidden area!

It took him ten full days to travel from the entrance of Valley Of Hell to the forbidden area. On the tenth night, he finally reached the area outside the forbidden grounds.

At that moment, inside the forbidden area of Valley Of Hell, the Fourth Raikage, A, was standing with his bare arms, fiercely striking a wooden post! This "wooden post," called the "Thunderbolt Post," was one of the training tools in the forbidden area. It was said that it could withstand any blow without breaking! And with each heavy strike, depending on the force, a lightning bolt of corresponding power would strike the practitioner...

Boom! Boom! Boom! Boom! Boom!

The sound of fists and feet hitting, accompanied by the roaring thunder... 

Such a terrifying training method could only be described as monstrous and inhuman!

"Uzumaki Naruto! I will crush you into minced meat!!!"

Raikage, drenched in sweat, delivered a powerful punch.

Boom! Boom! Boom...

A thick lightning bolt struck, causing a deep crater where Raikage had been standing.

After the lightning strike, the damaged ground automatically repaired itself. 

"Ha... Ha... Ha..." Raikage panted, wiping his sweat-soaked muscles with a towel. Once done, he threw the towel aside, ready to continue striking the post.

"Hmm!?" He turned around casually, his eyes wide in shock as a familiar figure sat on the steps behind him, gazing at him quietly!

Naruto smiled and said, "Yo, we meet again, Raikage..."

Raikage instantly lost his temper: "How did you get here!!!!!"

Naruto replied, "What's wrong? Can't I be here? Valley Of Hell isn't in your Kumogakure Village..." 

Raikage shouted angrily: "I'm not talking about that! How is it possible that you walked here without a scratch!!!"

"Well, it's a long story." Naruto stood up calmly and said, "But I really didn't come to start trouble. How about this: you train in the north, and we'll stay out of each other's way?"

Crack!

Lightning covered Raikage's entire body.

"What a joke! I'll send you straight to hell!!!"

Boom!!! He rushed forward at full speed. 

Naruto didn't dodge, didn't use Shinra Tensei either! Bang!!

He used his arm to block Raikage's swinging punch! Crack! Crack! The powerful impact caused the stones under Naruto's feet to crack.

Raikage, though surprised at Naruto's body's toughness, didn't think much of it. He pushed forward, grabbing Naruto's shoulders with both hands!

"Now that I've got you, you're finished!!!"

Crackling... 

The lightning around Raikage's body intensified. With a roar, he lifted Naruto over his head and slammed him down with full force!

"RAAAAHHHHHH... Thunder Bomb!!!"

Boom... Boom... Boom!!!

The thunderous explosion shattered the stone steps, causing cracks to spread!

No ninja had ever survived a direct hit from the "Thunder Bomb"! He believed Naruto would be no different.

Crack! Crack! Crack!

But suddenly, from the deep crater in the ground, purple lightning surged upward! 

"What!?"

Raikage, shocked, saw that Naruto, with purple lightning surrounding his hands, had already grabbed Raikage's shoulders and, rising to his feet, lifted the furious Raikage over his head!

"This move is really something, the impact is incredible...!!"

Crack! Crack!

With excitement in his voice and purple lightning surging, Naruto hurled Raikage towards the ground...

—Thunderclap Bomb!! 

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