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Raging Thunder

A young man mysteriously finds himself waking up in an unfamiliar place and later, he finds out that he has crossed over to the One Piece universe. With the memories and knowledge of the future, he will change destiny that has fallen upon the undeserved and enjoy what is to come. *** Updates will be very inconsistent! The MC won't be OP from the get go. Also, this is my first time writing a fan-fiction, so certain parts won't make sense logically. ***

ShadexRay · Anime & Comics
Not enough ratings
11 Chs

Training

The Six Powers are an advanced martial arts technique and the main combat style of the World Government and the Top-Ranking Marines. The Six Powers being Soru, Geppo, Tekkai, Shigan, Rankyaku and Kami-e.

'For now, I'll focus on Soru, Geppo and Rankyaku. Soru, Geppo and Rankyaku should be easily achieved as long as I improve my leg strength. It's going to take a long time and a lot of practice to improve my leg strength though.' the young man thought.

Soru, otherwise known as Shave, allows the user to move at superhuman speed and attack at greater power. This technique is achieved by kicking off the ground for at least 10 times in the blink of an eye.

Geppo or Moonwalk, allows the user to kick the air with enough force to stay airborne for a long period of time as long as they continue kicking.

Rankyaku or Tempest Kick, allows the user to send a sharp wind blade when the user kicks fast enough and with enough power. This technique can easily slice solid objects.

The young man started to practice Geppo first. He tried to repeatedly jump on the air multiple times. Although, he hasn't achieved much, he's getting the hang of it. Doing it constantly has put strain on his legs and he couldn't proceed further. He took a short break and realised that he has to increase his leg strength even more before proceeding further.

He was running along the forest for around a mile back and forth to the shack panting heavily. He sat down to rest for several minutes and ate a few slices of that weird fruit. His body being refreshed and cooled down, he then proceeded to do squats for about 10 minutes before he felt the numbing pain and the extreme strain it was causing to his leg muscles. Although his body was feeling tired, his spirit was feeling refreshed and wanted to do more.

After that, he exercised for about an hour to build up his body strength. The young man was sweating all over his body soaking his shirt and huffing loudly. He layed down and breathed a sigh of relief.

After resting, he went back to training and started practicing a few punching moves he could remember. This went on about until the sun was setting bringing upon the darkness of the night. He realised that fruits were not enough to live by, he really wanted to eat meat. So, he picked up a 10 foot sturdy stick and a sharp stone and started to sharpen the stick to create a makeshift spear.

He walked to the shore and readied himself to catch some fish. It proved to be difficult as these were not normal fishes, they were quick and swift. It took a while before he caught one by predicting it's movement but that too required a bit of luck.

Sitting near the campfire while eating the cooked fish, the young man was thinking that it would also be good to awaken his Observation Haki by practicing to catch the fishes with his eyes closed. This would increase the pace and time would be saved. He went back to sleep and decided to continue tomorrow.

The Next Day, the young was busy exercising while trying to go past his limits of what he could withstand so far. He was growing stronger by the day due to the force he was expelling out when he was doing his punching exercises. After exercising, he would continue his kicking practice and was slowly getting the hang of it.

"Ouchh!! Jesus Christ that hurts a lot." said the young man while seemingly being blindfolded. He was clutching his head while his face had purple and blue spots. He had been busy trying to dodge the wooden log while being blindfolded but it was difficult to achieve it.

"I have to be persistent"

He went on for about 2 more hours before he stopped. His face now looking like someone punched the hell out of him. He went to the shore and started to try and catch the fish while being blindfolded. He tried and tried but to no avail, he couldn't catch any. Although, he felt something but it was very vague and would require a lot more time exploring that.

Nearly a month has passed since his arrival in One Piece.

His body changed a lot in the past month. His physical body now is covered with a lot of muscles and a lot of power is seen contained in those muscles.

Everyday he was breaking his limit, practicing his punching exercise and the stength of his kicking. He showed signs of progress in Soru, Geppo and Rankyaku. Although he couldn't kick the ground 10 times in the blink of an eye, he was close to it and could rapidly vanish and move at extreme speed. For Geppo, he could stay airborne for a long while, but after crossing a certain time, he would feel the strain in his legs. So, he'll have to continue practicing it more. He was showing good progress in Rankyaku, he can now make sharp wind blades albeit weaker and almost unnoticeable.

He had massive improvements in his Observation Haki. Yes, he awakened it after practicing with the logs and the fishes for about 2 weeks. He can now sense the movements and the presence of the fishes with his eyes closed. He also had improvements in his Armament Haki, he can now enhance parts of his body with Armament Aura increasing his power and stamina.

He didn't know how much his strength has increased but he felt like could he take on Arlong with ease.

In addition to his increase in strength, his appetite has also increased. He entered the forest and saw a boar lookalike walking throught the bushes. He took a spear in his hand and covered his hand with Armament Aura increasing his explosive strength. He aimed the spear at the animal and threw it with full force. A small explosion could be heard when the spear was thrown into the boar.

*Squeal*

The boar let out a pained grunt before it fell over to the ground. The spear had accurately penetrated the midde of its forehead.

"Tonight is gonna be a feast" the young man smiled.

_____________________________________________

On an island far away from Skypiea, two silhouettes is seen laying on the ground with fire and smoke raging near them.

One of them had blue skin and a huge build for a body. His face looked eerily similar to that of an oni. On the left side of his face, there is a lightning shaped wound near his sideburn reaching over to his left eye.

The other one looked liked a regular muscular human being with curly hair. He has a tattoo on his left arm and a red beaded necklace around his neck. He had wounds on his body and was panting heavily.

They are Jinbe of the Fish-Man Island and Portgas D. Ace, Captain of the Spade Pirates respectively.

The two fought a long and an exhausting battle which lasted for five days.

In the sidelines, the spade pirates were yelling in concern for Ace to wake up. They were about to rush forward to help Ace but the arrival of a large battleship halted their movements. The large ship had a white whale as the figurehead of the ship.

"I-It's the Whitebeard Pirates!" the Spade Pirates fearfully exclaimed.

Standing on the figurehead was a large man. The large man had scars running down his chest and had a long face with a black bandana covering his head. You could see a distinct crescent-shaped moustache adorned to his face.

This man is Whitebeard.

"Where's the brat who wants to fight me?!" asked Whitebeard while laughing.

He saw a kid lying face down on the ground, he jumped off the ship and landed on the ground. Whitebeard was walking towards Ace with Murakumogiri in his hand. Each step was accompanied by the sound of Murakumogiri hitting the ground. Ace slowly looked up from the ground with an exhausting face.

The Spade Pirates tried running towards Whitebeard to stop him but Whitebeard simply sent a shockwave by smashing Murakumogiri onto the ground sending them flying away from him.

"You guys!" shouted Ace concerned with the lives of his crew.

"Flaming Net" shouted Ace spreading his hand wide and a wall of flames appeared between Ace and his crew to protect them.

"Run EVERYONEE!"

The Spade Pirates protested and wanted to join back in but they couldn't.

"What are you doing?" asked Whitebeard.

"I'm letting them escape and fight you in their place" replied Ace.

"Gurararara, Do your best, little brat" laughed Whitebeard.

Ace shouted and lunged forwards bringing his fist back in attempt to punch Whitebeard. Whitebeard simply stopped Ace's incoming fist with his palm and smashed Ace's back with the blunt end of Murakumogiri. Ace coughed out blood and fell down.

After a while, Ace slowly struggled to lift his head and was feeling shocked at the strength of Whitebeard while muttering to himself.

"Gurara, not goin' to give up, eh brat?" asked Whitebeard

"I will...."

"I like your guts, little kid. I'd hate to see you die here!"

Ace was once again shocked at Whitebeard. He thought he was going to die.

"Take my name and wear it proudly on your back, roam the seas, spread your name and cause chaos freely. Gurara.."

Ace simply hmphed and looked away, but was once again shocked.

Whitebeard extended his palm towards Ace and said with a decisive tone, "Become my Son!"