Shuunya is disappointed about something. Even with all that he has faced for the past 30 years or so, he only disappointed about one thing. He was orphaned, and orphaned again, he was framed, and bore the responsibilities of the change of a region for most of the part. Even so, he took it all as a lesson to move forward and think about the positives, but he is disappointed about one thing. And that is his physique.
He always questioned himself why he couldn't grow stronger than others with all the effort he is putting. That is not scientific at all. He couldn't understand why with all that he is trying to do, all the others are stronger than him. This has cast a shadow on him for a long long time. He even trained people under him with his schedule, and they got stronger just fine. But he just couldn't. It was only when he found out about Al as he grew older that he found out the reason for his difference.
Apparently he was supposed to be reincarnated in the cardinal world, but there was an error in his reincarnation. He was reincarnating right next to rimuru, which caused some interference to occur. Since rimuru was reincarnating as a slime while he as a human, and they were reincarnating in veldora's cave which is suitable for monsters to grow, he was flung out rejected.
But all was not bad since he took part of the Unique Skill Great Sage with him when he was flung out and came to this far away world with barely any magicules. And since he was supposed to be reincarnated in the cardinal world, he has the physique of that of a cardinal world human. And he couldn't grow strong because of lack of magicules. Even worse fact is that his skills are supposed to work with magicules which he doesn't have. And hence the broken version of great sage only woke up after he grew older and stronger.
He cannot use the absurd skill much since it uses his physical stamins, which is barely enough for it to work, but atleast it works right?
Maybe he could grow to be an enlightened one or a saint or even a true hero, but he has to go to the cardinal world for it to work. But he does not have any methods to do so. Maybe he could reach it through space travel, or awakening of door fruit, but even then the amount of energy required to this would be astronomical to the say the least.
After he learned about all of this, he made a change of plans. He would use the skill to slowly mutate himself towards what he considers ideal, like Odin's physique. The effort to do so would be tremendous and painful to say the least but he can hold on. He seems to have a couple of other skills from rimuru too, like predator and the resistances. But they are too fragmented to show any significant impact instantaneously, and he has a lot of time.
Although the broken Predator cannot give him the mimic and other factors, but the amount of lifespan he consumes to forcefully change his Bloodline Factor can be restored because of his trump card, Life Return.
And the results of this are great to say the least. Now he can definitely defeat arlong with just his strength. And with the growing strength, he can also perform something he wants the most, Analysis.
This opened up a new door for him. Although he cannot change himself to have underwater respiration of kawamatsu, since the amount of structural change in his body would be too much for him to handle, he can copy the skills of the mink tribe to transform under the moon.
Applying the same principle as the saiyans absorbing the moon waves from during full moon, and observing the changes occurring in the bodies of nekomamushi, he found the principle of application of this transformation for himself. However for that he needs to have an animal bloodline factor in him. Because of this, instead of rashly ingesting an animal factor, he analyzed and stored the data in him for now.
However his growth is slow. Even though he has the ability to change his body to become strong enough to rival the best there is, the amount of energy that he has in him is nowhere enough for him to do so. But as he grows stronger, the amount of energy he has increases and the speed at which he can grow stronger increases, and he can grow stronger faster.
This has caused him to be more confident in his future endeavors, and as he got stronger, the more his confidence increased. He is even sure that he can awaken haki in the coming years. With the addition of haki, his energy capacity increases even more and he can truly reach the peak of the world.
But all this inflated confidence came crashing down when he saw Oden going all out for the first time in a long time against white beard.
Yeah, Just because I am growing stronger doesn't mean others aren't.
"Wahaha. You are strong. Take me to the sea with you."
".. NO!"
Then the classical scene happened. Oden begging Whitebeard to let him board the ship to go out of wano, and Whitebeard rejecting him. This went on for quite a while before it was night time, and Oden had to go back to Kuri Castle to finish the day's work. Though most of it is thrown to his dependable and reliant chief retainer.
To be frank, managing the castle, managing the region, manging the production and usage of sea stone, managing Oden's shenanigans, Planning for the two Operations, managing the connections with other estates, and other miscellaneous jobs. Its a wonder I could do all this shit and still have time to manage my personal work. Thought acceleration is truly the best.
Now all that's left is to find a proper way to convince Whitebeard to let me board his ship, atleast until out of Wano.
Shuunya has been making preparations for this for a long time, so of course he has a reliable way to convince Whitebeard. But all this depends on Whitebeard's response. He cannot guarantee that the person he knew is the same as in manga, since he hasn't personally met with him.
"Are you sure about giving this to me? Its too precious for just taking you to the next big island."
"I also got the favor of one of the strongest men in the world, so it balances out."
"Gurarara, fine then."
The next Day
"Listen up my sons, this man shuunya will be boarding our ship until the next civilized island. Take care of him until then."
"Yes, Father."
"A new temporary guest huh?"
Yes yes
"I overheard him giving Father some precious gift."
A very precious one indeed
"I wonder what it is."
You can ask your father about it
"Whatever it might be, let's show him the hospitality of Whitebeard pirates"
Yes, show me the greatest hospitality you can. Its finally time to relax after all the work in Kuri
"Traitor!!"
That's wrong. I didn't cheat anyone except the Kurozumi Clan, since i pushed the killing of Mr. Left-Hand onto them, maybe Oden if you consi-
Ooh~
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"I promised them to get their ship repaired and restock their supplies in just a couple of hours. I even gave them a couple of gifts such as gold and diamonds, even a very precious gift, before he let board his ship"
"Traitor!!"
"I did ask them to let you board the ship, you know. Ofcourse I considered about you. With all the times we nearly drowned together, I do remember about you."
"You Truly are my Best Friend"
"With all the gifts I have given them, I do have a favor to be fulfilled from them."
"Hmm! Lets pack the luggage first."
"But I didn't want to waste a favor so valuable sice it is from Whitebeard himself on something as trivial as this, since I am sure you would be able to convince him yourself to let you board his ship."
"Traitor!!!"
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"You know, I just said a civilized place, but you guys went so far to bring to this place"
"Gurarara, Of course, anything for my dear friends. Not only did I get something so valuable, you also convinced me that I have to train my sons. Its true that with the way they are they wouldn't be able to hold out without me."
"That's not true, Dad. You will always be with us"
"Yeah, we will always be together"
"Yes, no one can defeat you"
"Gurarara, That's right. I am Whitebeard"
"Its always great to see you guys so active, Edward. But I guess this is a Goodbye for now"
"Its only for now. Lets meet again at our home, the sea."
"I still haven't forgiven you for what you did"
"Ahahaha, It was a good trip for me too, Oden. Lets meet again later, Miss Toki"
"I hope you do what you want to. Lets meet again."
"Inu, Neko, Izou, don't slack off in training. I'll test it again when I meet you"
"Yes!!"
As the ship of Whitebeard left the port, shuunya finished his sad goodbye. they have known each other for a decade, been together for a decade, it feels different when there won't be them next to to laugh around, tease around, order around. But his journey has truly started now. The moment he has been waiting for a whole 30 years is not at his grasp.
Shuunya turned around to look at the beautiful nation and smiled.
"It is said that great long journeys start with small short steps. Then i'll start my small step for my great dreams here."
"Towards a better future, Dressrosa"