Parallel World 6, Ruins of the Ancient Rōran Nation.
Lux flashed, teleporting to the grand sealing altar beneath the ruins.
Here lay the Ryūmyaku seal.
Long ago, Naruto, accidentally time-traveling, teamed with young Minato here, defeating Anrokuzan attempting to steal Ryūmyaku power. Naruto's Rasengan beat him, finally sealing the rampaging Ryūmyaku.
One must admire Minato's talent, mastering such complex, profound sealing techniques young.
Though partly reliant on the ancient altar here, sealing the entire Ryūmyaku's leaking power alone was remarkable.
After all, Minato wasn't even Fourth Hokage then.
The gap between ninjas is indeed unusually vast!
◆━⊰✧⊱━◆
Lux landed before the sealing altar, glancing at Karasuki in hand.
He'd just retrieved it from the deep sea. The artifact was previously lost underwater.
However, Karasuki, capable of traversing space-time, was trickier to use. It required opening pure Otsutsuki bloodline and specific activation methods.
Fortunately, no big issue.
With five Kaguyas at home, more than enough to activate it.
But as a precious Otsutsuki clan artifact, to avoid hidden risks in use, Lux decided to try Ryūmyaku first.
If Ryūmyaku's power couldn't take him back, he'd seek Kaguya to help activate Karasuki.
"…"
Lux eyed the sealing altar and Ryūmyaku below. A mental composition quickly formed.
Initially a guess, but seeing it himself, he basically confirmed this so-called Ryūmyaku was a remnant of Chakra energy crystal from a fully grown God Tree planted by Kaguya thousands of years ago.
Back then, the God Tree hadn't drained the planet's energy, hastily turned into Juubi by Kaguya.
Absorbed, gathered energy not yet consumed by the God Tree naturally remained underground, forming a Chakra energy crystal vein.
After all, the entire Chakra system came from the Otsutsuki clan.
If not God Tree remnants, where'd the ninja world get such a massive natural Chakra energy crystal vein?
Plus, this matched the desert environment of ancient Rōran Nation and Wind Country. Likely a barren region formed by God Tree devouring surrounding energy.
Thousands-year-old matters weren't important to Lux now.
What mattered: this remaining Ryūmyaku's vast power and special field effect formed by surrounding earth veins, once erupted, could truly disrupt space-time.
In short, as long as it sent him back, that sufficed!
Lux pointed from air.
The Chakra kunai embedded in the sealing altar's center was pulled. Seal undone. Brilliant technique talisman patterns around lit layer by layer like blooming flowers. Surging, immense Chakra energy began gathering, gushing from underground.
But this wasn't enough, or rather, not precise enough.
For accurate time travel months back to the Fourth Ninja World War period, stronger, advanced manipulation and adjustment needed.
Luckily, for Lux, now beyond Six Paths level, this was nothing.
*SWISH!* *SWISH!*
Two deeper, stronger techniques descended from air. A magic-driven barrier formation layer and a Chakra-driven Ninjutsu seal layer worked simultaneously on Ryūmyaku.
With more terrifying brute force, Ryūmyaku's erupting power was tamed, regulated, allowing space-time to distort directionally, achieving Lux's needed targeted time travel effect.
*WHOOSH!*
Finally, Ryūmyaku's directionally erupting power burst, turning into a massive purple light beam.
It enveloped surrounding space and Lux, vanishing instantly.
◆━⊰✧⊱━◆
The sensation of single space-time traversal was strange. Lux's first experience.
After all, prior Parallel World travel arrived instantly, without much real sensation.
This was true space-time travel.
Surrounded by vast purple light flow. Ryūmyaku's strong power formed an elliptical force field barrier, outside filled with wildly chaotic space-time waves.
One glance felt a strong mental impact.
Weaker-minded beings might faint instantly; no wonder Naruto initially slept on the spot post-time travel, waking after long.
Luckily, such small impact meant nothing to Lux.
Conversely, chaotic space-time power outside the barrier was troublesome.
If swept out, no sure life danger, but he feared accidentally falling into another space-time beyond targeted point.
In under ten seconds, all surrounding oddities and energy impacts gradually subsided, revealing plain reality.
Lux found himself still at the same spot, before the circular sealing altar.
Clearly, such space-time travel didn't change spatial position, only distorted his space-time position.
"Did it work?"
"Is this the past?"
Lux looked around, slightly unsure.
But spreading senses widely, he instantly sensed anomalies.
"This aura is?"
"Six Paths Madara?"
"He really sealed Juubi, became Juubi Jinchūriki?"
"So, this is the Fourth Ninja World War period in Parallel World 6?"
"I did it!"
With Lux's current power, sensing entire ninja world no issue. Fourth Ninja World War battlefield thousands of kilometers away naturally included.
This let him sense Six Paths Madara and others' strong Chakra aura.
"Timing seems slightly off."
"But no big deal."
"As long as back to Fourth Ninja World War period, things much easier."
Lux's targeted time was Fourth Ninja World War's outbreak, but seems slightly off, arriving mid-war.
When Black Zetsu forcibly controlled Obito, performed Rinne Tensei no Jutsu to revive Uchiha Madara, who sealed Bijuu, became Juubi Jinchūriki.
Estimated time travel positioning not precise enough, being first attempt, understandable.
"Oh!"
"Should test if I can bind this time point."
Lux vanished, world-teleporting back to Parallel World 4. Next second, back here.
Testing if he could return to this time point.
"Success!"
"Indeed, I can bind this time point. So I can come to this period anytime."
"But since Fourth Ninja World War half done, poor Six Paths Obito tricked by Black Zetsu, used Rinne Tensei no Jutsu. Seems death certain."
"Who to support from rest?"
"Six Paths Madara, Six Paths Naruto, Six Paths Sasuke, or soon-freed Kaguya?"
Choices:
—Six Paths Madara: Lux must at least do Infinite Tsukuyomi once, let Madara witness deception firsthand. Plus, Madara surely kills Naruto, Sasuke, all opposers—bit troublesome.
—Six Paths Naruto: At least Sasuke must die in battle, or large Konoha kin-friends group die, to truly twist Naruto's peace will, resolve. Else, he won't agree unify ninja world.
—Six Paths Obito: Not high difficulty, handled just by Rin, but used death-certain Rinne Tensei no Jutsu, troublesome to revive again. Plus, can weak-willed Obito tamed by Rin perfectly control Juubi power? Also issue.
—Otsutsuki Kaguya: Undoubtedly last choice. Kaguya freed by Black Zetsu, who did many bloody crimes, clearly not best target. Like Parallel World 7 Kaguya. If Lux picks, estimated Parallel World 7 Six Paths Naruto easily alienated.
After consideration, Lux tentatively chose…
Six Paths Sasuke highest support priority.
After all, Sasuke now has ideas to dominate ninja world, end all wars. As long as Sasuke beats Naruto in new Final Valley Battle, he can basically quickly achieve ninja world unification goal.
Choosing others needs much effort.
"Still time till Fourth Ninja World War ends, when Naruto-Sasuke duel."
"So, can't miss this great drama."
"Then, let's bring more to watch drama together. Can also whip them, make realize importance of future peace."
Lux decided.
He knew entire Fourth Ninja World War process. Watching alone from start meaningless.
Bringing more spectators to judge together surely feels different.
*WHOOSH!*
Lux vanished again, leaving Parallel World 6.
◆━⊰✧⊱━◆
In Parallel World 4, Minato's lively cross-dimensional dinner continued.
*TING—!*
Bell rang, drawing most's attention. Wondering if more guests?
Next second, Lux pushed door, entered.
All guests still enjoying inside couldn't help tensing. They thought time up, time sent home.
Lux glanced inside.
Describable as "chaotic demon dance."
Three Tsunades gathered for cards, gambling, all heavily drunk. Only two undergarments left. Reddish-white beautiful skin widely exposed.
Three sure-lose big sheep gathered. Nearly always tied, endlessly pouring liquor for each other.
Jiraiya joined two rounds. Won two, took three Tsunades' outer clothes; before continuing evil, Six Paths Nagato grabbed him.
Left side, karaoke room.
Three Madaras and Hashirama played wildly. Liquor bottles everywhere. Still singing karaoke, dancing;
Lux peeked via x-ray vision, quickly averted gaze. Watching longer, eyes would sting.
"Sss—!"
"Oh—!"
"Ah—!"
"Don't, no~~~"
Various odd sounds from right room. Not just Obito's voice, but Kawaki's yells.
Three Orochimarus clearly enjoyed playing there.
Plus, remaining all savored this hard-won cross-dimensional exchange time…
"Lord? Something big?"
Seeing Lux return, Minato, teaching Boruto Hiraishin no Jutsu experience, flashed over.
He mistook something big happened.
"Nothing, don't worry."
"Just great drama in another space-time. Came to ask if anyone wants to watch together."
Lux asked casually.
Hearing good drama, many ears perked.
Even three Orochimarus opened right room door, stretching necks, heads out to listen.
Great drama Tenshou Sennin proactively mentioned surely not simple, worth seeing.
"Another space-time? When? What big event?"
Minato quickly asked.
"Konoha Year 68, 16 years from now. Fourth Ninja World War breaking there."
Lux answered.
"Fourth Ninja World War?!?"
"That time?!?"
Parallel World 7 Naruto, Sasuke, Hinata, Sakura, others familiar with Fourth War instantly shocked, followed by loss.
That war too etched in memory. Unforgettable war kind, mixed with much regret, sorrow.
Others, hearing future major event, grew curious, mood slightly serious.
Especially figures from prior five Parallel Worlds, future info and major events crucial, all cared deeply.
Especially Fourth Ninja World War, major among majors.
"Can I go see?"
Minato asked directly. He knew Fourth War outline, end from Parallel World 7 Naruto.
But knowing and witnessing differ.
Even ignoring other factors, just watching ninja world war, observing future, studying Six Paths-level battles; highly beneficial for him.
"I wanna go too!"
"Me too!"
"Lord, include me!"
Many others requested, almost all eager about Fourth War.
Even Parallel World 7 Naruto, Sasuke, others who experienced it once wanted meet their war-time selves, known ones.
Especially Boruto, hearing he could see 17-year-old Dad, Master, youthful, world-disdaining, jumped excitedly.
Nearly ran to hug Lux, beg.
"…"
"Fourth Ninja World War relatively chaotic, some danger."
"Thus, not everyone can go."
"I'll message those who can go shortly. If agree, we depart together."
"Rest continue enjoying here."
Lux explained briefly.
Though going to Parallel World 6 for battle-watching, Lux wouldn't take all.
One, no need. Like currently drunk Tsunades, no point going.
Two, safety. No need take baby Naruto, Sasuke, others, right?
If unexpected happens, reviving one by one troublesome.
In short, Lux planned not take anyone from six Parallel Worlds present below peak Super Kage strength or lacking strong self-protection.
Let rest keep enjoying at Minato's. They can learn entire Fourth War process via others later.