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Whitebeards son in AU

Yuno died after living his life to an old age, due to sickness. His Grandson got hi! to watch the first episode of One Piece together, and since then he got hooked. even till his death over 20 years later he still waited each week for the new Chapter. After he died he got the chance to Reincarnate into any World he wants. He even got to choose perks, which were not restricted in Quantity, but Quality. One of his wishes, was to be Reborn as the biological son of Whitebeard and to be born just after the ROCKS pirates got defeated by Roger and Garp. But did really go everything as planned? Follow Yuno on his way to fullifile his dream in his own way. ................................... Will be slow romance ,.................................. DISCLAIMER: I neither own the Characters or Storyline of One Piece, only my own OC and some of my own additional plotlines.

Icekid · Anime & Comics
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36 Chs

10. Progress

Of course my other domains had also some progress.

My limit for Teleportation Domain went up from three times all the way to ten times, the limit of my gravity went from ten seconds to twenty and the power of my Heat, Cold, Defensive and Constriction Domain went up as well.

Over all a good increase.

I even got some new domains.

One is the Compress Domain, which allows me to compress the area inside of my domain, so that inside is bigger as the outside, when it is on full power my domain that is 30 meters in all direction, will then be 100 meters on the inside. And the principal I made for it is that I will picture the space again as a paper and then crumble it up, which would allow more paper in the same space as before.

I made it in preparation for when I go on my adventure in the future, as I didn't want to stop my training while on sea, and since a boat that I could sail alone or with a small group is pretty small, I made this domain, as I wanted to have more space.

The downside to this is, it consumes a lot of stamina, and on full power I would only be able to hold it at around 30 minutes. Which is just about enough time for my normal running practice.

Next I made an Explosion Domain, and as the name already said, it explodes. Which is pretty powerful, at around three times the power of my strongest sword attack, but this domain is merciless and attacks everything that's within when its explodes, so I can't use it when my allies are within. But luckily I can't be harmed from the effects of my own domains, so that was a plus.

But when I tested it the first time I made a very crucial discovery, that I had to consider in the future.

Although I won't be directly harmed by the effects of my domains, but the aftermaths of my environment could still harm me, for example the first time I tested the Explosion Domain, I didn't consider that and tested it at the edge of a cliff, for two reasons, one to not destroy my training field, and two to test the destructiveness.

Well it was really destructive, as the cliff side, that was within my domain was completely obliterated. But the aftermath of the explosion was not in my plans.

The whole cliff side was crumbling down on me, and if master wasn't here that time, as I wanted to show him my newest move, I would have been buried alive.

Another example of the environment harming me was one day when I was training in the field and it was raining all day long. It was on one of the days were I was testing my limits. This time with the Cold Domain, how long I could keep it up. Well since my domain gained in power and the surroundings were so long under its effects, I froze all the rain inside the domain, that of course included my then soaked clothes and being and the puddle I was sitting in.

So like you could guess.

I was frozen into a ice sculpture.

The.e most embarassing fact was that I didn't even notice this until Granny came to the training ground to bring my lunch, but that was already a good hour after I was frozen.

Because of that I got sick, the first time I grew sick in this world to be precise. And sickness in one piece wasn't that funny. Normally you wouldn't really get sick, especially after you started training your body, but if you did get sick, then o boy you were in for it.

I lay in bed for at least two weeks, and he'd very high fevor the whole time.

After that time the first thing I did was checking all my other domains for those hidden dangers. Fortunately the only other domain I had to look out for was the Heat Domain, and here I even found two hidden dangers.

One was if there was water puddles on the ground and after they were inside the domain for some time they would slowly turn scalding hot, and even I burnt myself after I touched it.

The other was, if I were to be in a really dry region of a forest, then there is a risk of the trees catching fire. This time I too had to get saved by my Master, as I was suddenly surrounded by fire, due to my domain being in every direction. I even nearly burnt the whole forest down, if master hadn't destroyed the surroundings of the fire, so that it had no way to spread further.

After my third time bringing myself in danger, because of my experiments with my domains, granny forbid me from training alone from now on, so she would be now always present during my fruit training.

Ah I nearly forgot to mention the principle behind the Explosion Domain.

I made it on basis of the biggest explosion I know, the big bang. Compressing the matter inside my domain to the absolute limit and then letting it go, thus the explosion. Because of that, there was even a very interesting side effect, and that is during the compression phase, unbelievable attraction forces appear, which will pull enemys towards the center of my domain, which is me.

This will be helpful later, so that enemys can't escape my domain that easily. The stamina consumption is naturally also very high. At the moment I can at most use the domain 2 times before reaching my limits.

But the Explosion Domain and the Compress Domain weren't the only new domains I created.

I also made a Loop Domain, which would allow me to trap the enemy, as ones the enemy is about to cross the boundary, he would appear on the other side.

This time, for the principle I again took my domain to be a paper. But this time instead of folding it to allow one to cross from one point to the other, I thought that the piece of paper was a ball, and that the ground was the surface of said ball.

This surprisingly had the effect, that each transportation cost me no additional stamina, like with the Teleportation Domain, instead it simply cost more stamina to create the domain. Roughly 20% of my max stamina to be precise.

This were all my new domains for now. But I'm already working on my next one, a type of domain that will bar entrance, so that my enemies can't come in. Surprisingly I couldn't simply create it even without a principle, it wasn't that my fruit couldn't do so, but its me who is too weak. I tried it ones, and before the domain even really formed, I was already out of stamina.

I still don't now why though, as I think that this domain should be simpler than some of my others, such as the Teleportation Domain, no? But whatever, after growing in strength I will surly find out.

..,.,…..,.

Never mind that though, I should focus now, I can already see Master coming to the training field, and that means I will finally start learning the core techniques of Master.

After Master arrived in front of me, he first inspected me a bit and then smiled.

"You are really a little Monster, you know. Not only did you reach Completion of the basic and advanced techniques in under three years time, you even adjusted to a different kind of sword and reached Completion again in three months. Really extraordinary. But its as expected from my legacy disciple. Kahahaha."

"You really like to brag, no? Master?"

"Kahaha, its not bragging if it's the truth. Anyway, let me first get things straight. What I'm gonna teach you today is my core technique the Black Oni Gate Sword Art. It consists of seven moves, both offensive and defensive. But before that let me make something clear. Although I will teach you my sword art in its entirety, its not something that is usually done.

That's because a core technique is something that one normally creates for oneself, as such it is the most suitable for the creator. And every real swordsmen that is even a little self-respecting has created one for himself. As only the creator can bring the full power of a core technique out.

As such, the normal practice is to only teach your disciple, the basic and advanced techniques and then let them out to the world, in order for them to gain experience and find their own path, and create their own core technique.

And even when one teaches their disciple a core technique, it is usually only one or two moves at most. Its so that the disciple won't rely too much on the core technique and create their own. Or worse being let astray by the technique, to create one, but one that is based on that core technique, resulting in it not being completely compatible with oneself

But I will teach you my whole sword art. And that is because I believe you won't be let astray by my technique as you are one of the most creative young lads I have ever seen in my life. That showed me that you can think for yourself. And I even saw how hard you worked in the past three years. Every day training, never stopping in pursuing greater strength, so you won't be satisfied with only my technique, and I believe you will create your own in due time."

Hearing what Master said and seeing the hint of acknowledgement and anticipation in his eyes I could feel a rush of heat in myself. I want to become someone that will life up to the expectations of Master.

It was at this moment that I gained a new purpose for becoming stronger.

Now I don't want to grow stronger to be able to see the world, but I also want to gain strength in order to show my Master that he was right with me and show him just how high I will be able to reach in the future.

I want to make him proud of me!

Strange, even though I already have an adult mind, this feeling of wanting to meet the expectations of my Master and making him proud of me, wanting to gain his acknowledgment, its like I really am a child.

But it didn't embarrass me as much as I thought it would, I mean I was really old in my old life, and to still think like a child is for sure embarrassing, but I think that as I lost my memories of my old life, I began to act and think more and more like my body age, even if I'm still very mature for my age.

"Don't worry Master I won't disappoint you and create the strongest core technique the world had ever seen."

After I said my heartfelt feeling out loud, my Master first went silent before bursting into a fit of loud laughter.

"Kahahahaha, good kid, very good, that is some ambition that fits with my legacy disciple! Show me, and show the world, that my the Black Oni Barns legacy disciple creates the strongest sword art ever! Show them that I didn't make a mistake in my judgement of you! Kahahaha