Disclaimers: I don't own Naruto or Dragon Ball Super. Story is mine.
Rating M for safety.
Summary: The Angel Kaguya created the Elemental Nations to experiment on chakra. She never anticipated that one of her creation would get the better of her. Naruto must now face twelve Universes, numerous Angels, one Great Priest and one (or is it two?) childish Master of All or witness the destruction of his own dimension. No pressure.
I will use a mix of Dragon Ball Super anime and manga.
Have a good read.
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Agent of the Blank Universe
Chapter 1: To slay an Angel
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Kaguya had always loved numbers. She liked solving equations, facing mathematical enigma and working out the value of every little things. Since she was little, she had looked at things and searched for the best way to dissect them, categorize each element and sometimes put it back together in the end. She was brain, logical reasoning and rational thinking above all. It was the reason why she had been quite proud for being born an Angel, the very last one in her brother and sisterhood in fact.
In opposition to her 18 siblings, she had been born with little power in spite of still being the daughter of the Great Priest. She had always been okay with that. The other had each been put in charge of watching over one of the eighteen universes while she had been let roam free. She had travelled extensively, crossing the reality and dimensions in search for greater knowledge. She had looked out for every tiny things of interest, leaving her family behind in her lingering quest.
After millions of years spent visiting every planet in every universe, she settled for experimenting on her own the creation of worlds and living creatures. She took advantage of the blank space left after the destruction of the Universes 13 through 18 to establish her private area, the Blank Universe. She created one single planet to conduct her experiments. And thus were born the Elemental Nations and, later on, the Shinobis, bipedal and intelligent creatures born from her godly power, who would roam upon it. Her personable playground for studying and experiments. She spent millennia developing the living beings who would act as her test subjects. She chose to gift them with a power significantly different from the KI her Father, her relatives or everyone else in the twelve Universes owned. It took her hundreds of year but the prospect always kept her striving. She named it chakra.
Chakra was far less potent than KI in term of raw power, barely a drop in the ocean compared to a strong KI user, but the versatility and propriety of this energy clearly prevailed over everything KI enabled. She gifted the Shinobis with the ability to mold chakra in order to study the formidable potential of the energy. She monitored their discoveries to expand her own knowledge. She created two children using her Creations of All Things, one of the Kais' abilities that chakra could also replicate, to spread the aptitude of chakra. Thus came Hagoromo and Hamura, and then every other Shinobis who learnt and inherited from them.
Kaguya left the Shinobis to their own devices, keeping an eye on them and what they could come up to with their limited power. They waged wars and battled against each other because it was the best way for them to improve and develop new abilities. They experienced pain and loss because she found out that it was here the best way to have them overcome their own fragility. It was interesting for a while. They managed to create techniques never seen before with chakra. The concept of seals, elemental manipulation, illusions, and so many other things were concept far different from KI. She took pride knowing that she helped birthing such unique set of skills. Shinobis were frail in term of wide-scale destructive power but very much more adaptable and versatile in other area.
Finally, barely a thousand of years after the creation of Shinobis, a tiny drop of time in the continuity of her existence, she became bored with her experiment. She decided to end the trial and start anew with different basics and creatures. She selected something akin to a God of Destruction, the least weak of the Shinobis at the time going by the name of Uchiha Madara. Angels weren't supposed to interfere directly in the business of mortals and even if there never was any rule binding her before, she decided to follow the family's tradition. Madara was supposed to destroy the Elemental Nations in order for her to get a blank state to work on once again. She wanted to created better Shinobis that she could control at will. In order to do so, she gave birth to Black Zetsu in order to gain an army of White Zetsu.
Unfortunately and in a curious mechanism of fate, Madara lost despite his power and the various gifts she had imparted him with. She had been surprised, not expecting the Shinobis to develop such remarkable abilities. She had also not anticipated the intervention of two descendants of Hagoromo helped by the Bijuus, massive creatures made of chakra that her children created using the physical manifestation of chakra. Clearly, the potential of chakra was nothing to laugh at. Her appointed God of Destruction had been vanquished. Starting things once again to further her understanding of chakra had seemed more appealing than ever considering the recent development. But she still needed to erase what she created first. For the first time since the Universes' creation, she decided as an Angel to personally take action. Guide Angels watching over one Universe were forbidden to involve themselves but there never had been such a rule binding her.
She had certainly not expected to face such resistance in the form of two Shinobis, descendants of Hagoromo. Another Uchiha and one of those so much interesting jinchuriki. She battled them for days, studying their techniques and powers. She easily admitted, her creations had overcome all of her previous expectations. These two creatures had existed for just a few decades yet they were nothing to laugh at. Usually, it took hundreds of years for mortals to reach such levels of mastery.
In fact, she had entered the fight expecting little opposition and a swift cleaning. Despite being the weakest in terms of raw power among her siblings, she was still an Angel. Thus, superior in every little aspect compared to any other being. But power was far from being the only deciding factor in a confrontation with a chakra user, a fact that she discovered at her expense. The concept of seals and space-time techniques in particular were different in ways she couldn't counter with power alone and even with her own dimensional warping, she found herself challenged.
After days of fighting, she finally managed to erase one of her two opponents, the Uchiha kid. But the blond one then appeared and suddenly succeeded in absorbing his comrade's power. Their fight started anew. However, something was not right in how it carried on. She found out hours later that, in a way she couldn't comprehend, her opponent was continuously growing in power. He was absorbing the energy of nature along with everything else in their surroundings and, doing so, even managed to replicate techniques of her former God of Destruction and other's. Moving him across the dimensions that composed her Blank Universe, the former Universes 13 through 18, only worsened things. He started consuming energy from space, sky, magma, ice, ground. At one point, she even distinctly felt her own energy slipping away from her before she could ruled it inside her body.
She still was way ahead of him in term of power, but it didn't seem to matter at all. The boy's tactics had been built from scratch and were above her own because she had always resolved things with power alone. She had had the concept and theory after years of studying, but not the practice. His unpredictability and out of the ordinary repertoire of techniques were enough to fill the gap in strength. They clashed and clashed, days after days, destroying everything surrounding them. Two of her dimensions were lost during the fight. No one could withstand her might except for other Angels and Zeno-sama. All but one.
Finally, the impossible happened.
She lost.
She had never even considered the possibility. Until the very end, she had viewed the fight as just another experimentation and possibly a minor setback. Angels were mighty beings after all. Despite being the weakest among her kind, she knew her power to be tremendous compared to mortals. She grew up as a perpetual and invulnerable existence. However, something she created, a creature of her own design, had managed to defeat her.
While a dark veil settled upon her mind, her last thought was that, perhaps, this ending could be considered as her greatest accomplishment. The epitome of her life and ambition.
Then, she was sealed away, not to be seen ever again.
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Naruto was breathing heavily. He cast a longing look at the dark sky that was covering the Elemental Nations. The fight had drained everything out of him. He had lost many things. Precious things. His whole team composed of Sasuke, Sakura and Kakashi. Other friend including Neji and so many other people. His recent victory tasted sour in his mouth.
He remained still several minutes, just looking above. How could he have done things differently ? He did not know. The fact that he ended up winning already sounded like a miracle. All that was left now was for him to cancel the Mugen Tsukuyomi.
"You defeated Mother," a voice stated behind him. There was absolutely no emotion in the tone and any sentiment that could have been displayed on the face was masked by the black uniformity form that it was. "It was not supposed to happen".
Naruto did not turn around to face the speaker, still eying at the night sky. The creature was of little threat to him and its cells were already decaying rapidly. It would die in less than an hour. "... We won, at least," he commented softly.
The creature emitted a gurgling sound. Naruto took some seconds to identify it as a laugher. "You did something incredible, I'll give you that. But, winning ?" The creature asked rhetorically. "I highly doubt it. The only thing you managed to accomplish was to postpone the inevitable. The Elemental Nations will be erased in a matter of years top."
The jinchuriki finally span around to look at the formless form that was Black Zetsu. His ocean eyes narrowed dangerously. "... What do you mean?"
"Kaguya was an Angel, the weakest one among her brothers and sisters," he stated matter-of-factly. "She created the Elemental Nations, never once thinking that it would turn against her. Once her relatives learn of what happened to her, you, your people and your world will be instantly erased."
Worry quickly wormed its way inside the Uzumaki's mind. There were others people like Kaguya? And she was the weakest in the lot? "How many? How strong are they?"
Black Zetsu exploded in laughter. "You have no chance to stand against them! There are eighteen of them out there like Kaguya though six of them remain in a stasis state. There are all stronger than Mother was. And it is without counting her Father, the Great Priest along with Zeno-sama, the Master of All who rules over the multiverse. Even a real God of Destruction would prove to be better than you are." Someone different than the false God that had been Madara.
Concern and fear were quick to invade the blond's thoughts. He did not understand all that was said by Black Zetsu. However, he could at least comprehend that every one of the people Zetsu was speaking about were far above his level if they were stronger than Kaguya. Hell, Kaguya had been way stronger than him. It was only trickery and strategy that allowed him to emerge of their fight as the victor.
"... Why tell me that? Is it just to mock me before you die?"
Black Zetsu paused, seeming to ponder on the blond's words. "That... and you and your world also represent something never seen before in the multiverse, the fact you managed to defeat an Angel put aside." Naruto arched an eyebrow, prompting the creature to explain the statement. "You see, when Mother created your world, she decided not to put it under the Authority of Zeno-sama. She got several reasons to do that, the main one being that she did not want another Angel to interfere in her ongoing experiment. It also means that Zeno-sama cannot erase this Blank Universe with just a thought because his Authority doesn't work here. Of course, the fact that Angels are allowed to directly interfere with this world and its people now that she vanished is another consequence of her decision," he revealed. Black Zetsu turned his head to look at the horizon. His voice had turned weak, not louder than a whisper. "Basically, the people of your world can enter in direct conflict with Angels, the Great Priest and even the Master of All, and I never liked those people who discarded my Mother because of her lack of power. Telling you what I know could be the death of perhaps another Angel, as unlikely as it sounds, and it would prove how incredible my Mother was to create something like you."
"... I see," Naruto declared softly. "Anything else you would like to share about them in that case?" There was no need to argue with him, he would better milk every information available before he perished.
A white grin stretched the mouth of the black creature. "Yes... you have absolutely no chance against them if you face them head on. I doubt you could even stand against an average warrior from one of the Universe. However, indirect way to win, trickery, unconventional techniques... that might work. Your world is the only one with chakra, and the people from the multiverse are totally unaware of how it works because my Mother never shared her discovery with them. The Ki they use is much more lethal and destructive than chakra, but less versatile in its application. Though, all of the Angels get their own tricks, which is even truer with the Great Priest and Zeno-sama."
Naruto waited a couple of minutes after Zetsu finished talking before figuring out that he was done with his speech. "... Thanks." he sent his away. The fact that Black Zetsu was on the edge of dying had apparently made him forget his hate for the creature.
Black Zetsu remained silent. The Uzumaki thought he had finally passed away but his last words managed to dismiss that idea. "Do not thank me, Uzumaki. I only gave you a speck of hope. It will be stomped down soon enough."
He died soon after. Naruto erased all traces of his body with one of his truth-seeking ball before finally forming the seal to dispel the Mugen Tsukuyomi, the sun on his right palm and the moon on his left one. Victory appeared even more hollow than a few minutes earlier now that he was aware of the potential troubles.
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End of Chapter
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Hope you enjoyed the chapter. All chapters in this story will be short (around 2-3 thousand words). Naruto will be OP (obliged) but in an indirect way as you can deduce after the reading of this chapter. Indeed, his raw and destructive power will be weak compared to the majority of the KI users, but his techniques will balance things.
It is in my opinion the main difference about powers between Dragon Ball (Z and Super) and Naruto. Jutsus are much more versatile than KI techniques, but a lot less powerful in term of raw power. For example, someone in DBZ becomes a planet's buster approximately around Nappa's level (the very beginning of DBZ), but the Juubi's most powerful Jutsu 'only' managed to scratch the surface of a planet. A contrario, DBZ's characters basically only use explosive techniques while characters from Naruto master jutsus sometimes very much out of the ordinary (even if Dragon Ball Super had served to fill a bit the gap on that front).
Leave a review, even short it's still enjoyable.