Chapter 55 – Secret Technique of Three True Blades: Three Thousand Worlds
"You showed up after all," Konan said coldly as Yusuke arrived.
"Yeah. Sorry for causing you trouble all this time," Yusuke replied politely.
But Konan didn't respond. She simply turned away and ignored him.
"Oh, come on now. If you win, we'll be allies. If you lose, we'll be partners. Either way, we're in this together, aren't we?" Yusuke smiled nonchalantly.
"Hmph." With a quiet huff, Konan led him to a guest room, then left without another word.
Yusuke didn't mind. After putting a few things in order, he sat and began assessing his current strength.
Even relying solely on his sword techniques, he could handle early Kage-level opponents. His Devil Fruit powers had already reached the peak-Kage level, possibly even more troublesome than most average Kage-tier shinobi. His only real weakness was durability—so he relied more on swordsmanship in combat. Not because his Fruit abilities were weak, but because although his techniques were granted by the system—like they'd been installed directly—they still required real training to master. Meanwhile, the Devil Fruits provided raw, overwhelming power, significantly enhancing both his body and chakra reserves.
After resting a bit, Yusuke took a walk around the Akatsuki base. When he arrived at the training grounds, he found Yahiko and the others overseeing their members' Ninjutsu training. The sight intrigued him, so he walked over.
"Why are you here?" Nagato asked in his usual calm voice.
"Got bored. Figured I'd look around," Yusuke replied with a shrug.
"In that case, why not help teach them?" Yahiko said with a lighthearted laugh and a welcoming tone.
Yusuke nodded internally. Yahiko's brightness... it was this exact light that would someday lead Nagato down a dark path. When someone that radiant was ripped away, how could anyone be expected to accept it?
Without someone like Naruto in the future—who mirrored Yahiko's spirit—Yusuke doubted Nagato would've ever been redeemed.
"I won't be teaching them Ninjutsu. But I can offer some guidance," Yusuke said confidently.
"Seriously? A kid like him wants to teach us?" one of the ninja muttered mockingly.
"In this shinobi world, there's one type of person whose strength can't be measured by age," Yusuke replied, his gaze sharp. "Trash. I'll make one move. Let's see if you can handle it."
He stepped forward.
"Ready?"
In an instant, the atmosphere shifted violently.
A terrifying aura erupted from Yusuke—an intense blend of Conqueror's Haki, Killing Intent, and raw chakra—manifesting as a demonic, bloodthirsty presence. A true Demon King.
The air trembled under the pressure. Walls cracked. The training field shook violently as the energy wave slammed into the Akatsuki members. Weaker ones collapsed instantly. The stronger ones fell to one knee, unable to even lift their heads.
Even Konan and Yahiko, standing nearby, were frozen in shock at the sheer weight of his aura.
Only Nagato remained standing. Calm. Unshaken.
Yusuke gave him a nod of acknowledgment. As expected of the Rinnegan's wielder. No wonder the Sage of Six Paths was worshipped as a god. Compared to this… even Whitebeard would be insignificant.
"If you can't even withstand my presence… you're pathetic," Yusuke said flatly. "Before true power, there's only one proper response—respect. Charge in blindly without knowing your opponent's strength, and you'll endanger yourself and your comrades."
The words were mostly for Yahiko and the others. Their journey had been too smooth so far—they'd never truly tasted hardship. And Yusuke knew... it was all part of Madara's design.
"Wasn't that a bit excessive?" Yahiko asked seriously.
"Don't worry. It was just aura pressure. If they're smart, this could even help them. Under extreme pressure, chakra flow can be stimulated, potentially triggering breakthroughs," Yusuke explained. And he wasn't lying. But of course, he was still holding back. If he let loose for real, he could destroy their futures entirely. This was no different than how he used to train Kakashi in the past.
Yahiko said nothing more.
"Alright then. Those of you still conscious—come at me together. Show me if Akatsuki is worthy of being our partner," Yusuke declared arrogantly, staring each of them down.
The gathered shinobi slowly rose, fear still in their eyes. None dared move.
"Everyone! Let's go! All at once! Show them our strength!" Yahiko shouted.
Their eyes shifted—fear melting into determination.
Yusuke smirked. They're not bad. If they can still stand after that Haki blast, they're at least worth something.
"WHAT ARE YOU WAITING FOR? CHARGE!!" someone else roared from the back.
And just like that, they surged forward.
Yusuke calmly drew his sword—Enma—and advanced. From his small frame radiated a killing aura sharper than steel. Even Yahiko, Konan, and Nagato looked visibly shaken.
"Come," Yusuke whispered, his blood starting to boil.
He dove into the fray. One swing—one down. He danced through the battlefield like a maestro conducting a symphony. Not a single enemy laid a finger on him.
"This is insane… he's too strong," Konan muttered in disbelief.
"Monster," Yahiko whispered. Even Nagato, with his Rinnegan, couldn't hide his surprise.
"Fall back! Quickly—retreat!" one of the stronger shinobi shouted. They knew continuing this fight would only end in total annihilation.
The group leapt back in unison. But Yusuke didn't pursue. He knew his limits—and theirs.
Immediately, hand seals flew through the air.
Water Style: Water Dragon Whip!
Fire Style: Grand Fireball!
Wind Style: Great Breakthrough!
Earth Style: Swamp of the Underworld!
Lightning Style: False Thunderflash!
A barrage of elemental jutsu surged toward Yusuke.
The sky exploded in color—blazing flames, roaring winds, thundering lightning, crashing waves, and the earth itself tearing apart.
Yusuke stood still, then suddenly burst into laughter.
"Hahahahahaha!"
Amid the storm of jutsu, Yusuke laughed like a maniac. Even without using the powers of the Tremor-Tremor or Glint-Glint Fruits, he could feel the pressure—and it excited him.
"Yes! That's it! Give me more! This is what a real battle feels like!" he roared.
He didn't dodge.
"This guy… is nuts," Konan muttered, eyes wide. There was no other word for it. He was a battle maniac—through and through.
Yahiko and Nagato silently nodded in agreement.
"Santoryū Ōgi: Sanzen Sekai."
(Three-Sword Style Secret Technique: Three Thousand Worlds!)
Yusuke clenched Enma between his teeth. In both hands, he summoned twin blades of light. All three swords spun wildly as he charged forward—right into the storm of Ninjutsu.
He tore through fire, lightning, water, and wind. Though his frame was small, his aura dominated the battlefield. When his spinning blades collided with the Ninjutsu barrage, the resulting explosion was catastrophic.
The entire training ground erupted in a shockwave. Flames surged, lightning cracked, the earth split apart, and everything was consumed by wind and fire.
Yahiko, Konan, and Nagato stood frozen.
When the dust finally cleared, a figure emerged from the smoke.
His upper body was bare. A Xiong Qi tattoo spread across his shoulder. Silver hair glinted in the sun. His once playful expression was gone, replaced by a cold, unfeeling gaze.
He looked like a Demon King who ruled over everything—and saw the world itself as his playground.
"You're not bad," he said calmly, his voice cutting through the silence like a blade.
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