Space-Space Fruit in One Piece

When Eren had awakened his memories, it was already quite late. This meant that when their fight ended, the sun had already set and both he and Enel went to bed. This gave Eren some time to think about his future in the world.

'I should probably train until I am at least 14 years old. I feel like I can pretty much focus on developing my Devil Fruit and physical strength for the next few years and awaken Haki by sparring with Enel.

After that, I will probably reach a bottleneck that can only be resolved through intense fighting, where I will actually have to put my life on the line. At least that seems to be the case in the anime and manga, as Luffy's whole crew always evolves extremely fast in some big fights.

Of course, I could theoretically go to sea a few years earlier, but that would just put a target on my back. The Marines would probably do their best to either recruit or eliminate a ten year old kid with an overpowered Logia and Haki.

I also need to build up a small force of my own and recruit some allies to fight the world government. That will be harder, because no one will really listen to a kid, no matter how strong I get.'

Eren was quite confident in his ability to awaken Haki even without any training methods. After all, Enel had done the same without any prior knowledge or formal training. Judging by the number of drums on his back, Eren must be even more talented.

And even if you could argue that just sparring with someone like Enel for several years would be a waste of time, even Luffy only learned Haki at the age of 17 or 18. No matter how fast he could master it, he would definitely be faster than the main character of the series.

Of course, Eren had considered joining the Marines to get fast and efficient training not only in Haki but also in Rokushiki. But being in the Marines would put him very close to Imu, so the risk of her finding out about his Celestial Fruit would probably increase.

It would also be harder to recruit allies from the Marines to fight against the World Government, as many of them had already lost hope that the Celestial Dragons could ever be defeated. Others like Akainu were hardliners and blindly followed the orders of their superiors.

Right now, after finally starting his journey, he had 2 main options to choose from. He could either join the revolutionary army under Dragon and get their help, or he could form his own pirate crew.

However, all this was still almost 6 years in the future, so he didn't really have to make a decision right now. There was still plenty of time to think about it.

* * * * * * * * * *

After Eren woke up the next day, he and Enel began their strict training regimen. For breakfast they would have some nutritious meals. Since they were still technically the royal family of Birka, even though they had been treated like strangers by the rest of the Birkans, they didn't have to work for their meals and lived off the money they earned through taxes.

After breakfast they went to the courtyard to do some simple exercises. At first this consisted only of squats, push-ups, crunches and some light running. After a few months, however, both Eren and Enel had the ability to easily lift boulders weighing several hundred kilos.

This surprised both of them, as they had never thought that their strength would develop so quickly. Even Eren had expected a slower increase, but it seems that both of them were wrong.

With the increase in strength, their appetite also increased. Both of them ate like Luffy, eating meals that would normally feed a family of 4 for several days in a single sitting. Eren estimated that in about a year, he would have to switch to eating Sea Kings. Otherwise, the already scarce food on Birka would run out completely.

Even now, there were some Birkans who voiced their discontent, but after they had seen Eren casually smashing a boulder, most of the voices of discontent disappeared quite quickly.

In the afternoon, the two of them would spar with each other. Sometimes, Eren used his Devil Fruit to train his abilities, and sometimes, their sparring was purely physical. Of course, Eren always used his invulnerability, hoping that Enel would awaken his Armament Haki.

Eren would have liked to develop his Haki as well, but his body was still too weak and young. His strength wasn't high enough, so he couldn't bear the strain of the Haki yet.

Therefore, he mainly focused on developing his fruit. After each spar, he would take some extra time to train a few applications of his space fruit. This was the only free time for Enel where he didn't have to suffer. His progress here was quite fast and he came up with a lot of new applications quite often.

Almost 4 years passed in this way, and today was Eren's 12th birthday.

'Today is the day', he said to himself as he looked at his body in the mirror. He had grown to almost 210 cm (<6'9'') in the last few years and was already taller than all of the female Birkans. Even most men were smaller than him.

His body had developed some nice muscles, but not to the point where he looked like a kid on steroids. He had always disliked the look of bodybuilders and was glad he didn't have those swollen muscles, despite his ability to lift a few tons.

His face had also matured a lot, as he could easily be mistaken for 14 or even 15 years old. He still had a handsome, rather thin face with blond hair that had grown almost to his shoulders. Usually he didn't bother to take care of it because he was at home most of the time anyway. His eyes were bright blue and contrasted with his dark eyebrows.

The only thing that could be considered a flaw in his otherwise perfect appearance was his extremely pale skin. A trait he had inherited from his parents, just like Enel. He didn't really mind it though, and he was even getting a light tan from all the exercise he was doing outside.

He went downstairs where Enel had already prepared some sea king steak. 2 years ago, Eren had started teleporting to the blue sea and killing some sea kings for food. At first he had to use his Logia to kill them, but later he managed to beat them up with his bare fists. This also showed how far he had developed his Celestial Fruit, as he could easily teleport the 10000 meter distance between them and the blue sea.

"Happy birthday, Eren." Enel greeted him as soon as he entered the dining room. The table bent under the weight of almost a whole sea king.

"It really is a happy birthday," Eren replied, "because today I will finally start my Haki training. This also means some small changes in your training". At this point, the expression on his face had changed to a menacing smile, sending a shiver down Enel's spine.

"You know what they say about biting the hand that feeds you?" Enel asked with some false confidence, pointing to the food on the table he had prepared.

"Don't worry, I can cook too."

And so the next part of their training began. While their morning training remained the same, their afternoon spar was now done blindfolded to ensure that they could train their observation haki.

Contrary to his expectations, Enel didn't suffer too much during this training, as he had already developed his Observation Haki quite a bit over the past 4 years. Eren, on the other hand, was basically blindsided as he could only rely on his hearing to find out Enel's location.

This made for a really good training, because Eren really wanted to avoid being hit by Enel. Especially since he had already awakened his armament Haki a few months ago because of his intense desire to finally hurt Eren.

Just as he remembered from what was shown in the anime, Eren progressed quite fast when he fought against another user of Haki. He could see exactly how it worked, and with his high talent helping him even more, he only needed a year to finally awaken both forms of Haki.

Although his Observation Haki was unlocked a bit earlier. He seemed to have a higher talent for that kind of Haki. Probably runs in the family.

'System, display mine and Enel's status screen.'

[Host: Eren C. Birka]

[Age: 13 years, 0 months, 8 days]

[Height: 210 cm (6'9'')]

[Heaven Fruit: Space-Space Fruit (5.5 Points; Logia) - Beginner II]

[Haki: Observation - Beginner I; Armament - Beginner I]

[Total Power: High-Level Yonko Officer (^)]

[Name: Enel Birka]

[Age: 30 years, 1 month, 2 days]

[Haki: Observation - Beginner II (^); Armament - Beginner I (^)]

[A/N: (^) means that it is on the brink of ascending to the next level. This could also be used for Fruit Developement and Total Strength.]

[Total strength: Low-Level Yonko Officer (^)]

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Number of Onions that Eren ate during the time-skip: 18555

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OnionLover