"Brat, I know surviving in the imaginary world is tough but you have this World's entire knowledge which is more than enough. Even so, I will gift you a technique." The old spoke and a silver-colored light entered between Rey's eyebrows.

Even before Rey could examine what kind of mystical technique he received, the old man continued,

"I am just a silver of soul which escaped from death so I need plenty of rest. We will meet again after some time, I need to recover my soul energy." The old man's blurry figure disappeared.

Rey was confused by the unforeseen development, and also happy that he now got a technique for himself.

He wasn't able to confirm the motive of the old man, and he is also powerless by his weakness. Even so, from the old man's words he perceived the imaginary world he was talking about is the One Piece world.

Rey soon cast the unwanted thoughts to the back of his head and looked at the technique he received,

Nine Heavenly Gates Technique - A formidable taijutsu technique from Naruto world created from the reference of the Eight Gates technique by eliminating the original restrictions and risks.

If one was able to open all the Nine Gates in their body, he or she will be able to reach the same level as the Sage of Six Paths, Hagoromo ōtsutsuki.

'What the fuck? Could it be that old man deceived me by imparting me an incorrect technique? How could such a powerful technique exist in this world?'

According to the technique, if one's body is powerful enough, he will be able to sense the first Gate. If not, then one has to train his physical body to the limit until he senses the First Gate.

Once the user opens the first gate, their entire physique will undergo a tremendous change and be completely reborn.

It's very easy to check whether he can sense the first gate, Rey just has to close his eyes, concentrate and let the energy in his body to move according to the technique.

As expected, he wasn't able to sense the first gate. It's acceptable as he already knows his physical body is not powerful enough.

Rey planned to rest his body today as he was injured and planned to start his training from tomorrow. Then he ate the food Mia brought and relaxed in his medical bed.

---

Next day,

He discharged himself from the medical room and came out to practice. The first time that came to his mind is, the air around here is very fresh, capable of energizing him a little.

Billow Town Marine Base is a Marine base situated in a remote town called Billow town of the South blue.

Most of the Marines would stay here and some patrol the local areas of the sea like Rey who's just a normal chore boy among 20 other Chore boys.

This base has been his living quarters for more than 3 years. He knows this base houses many weapons, ships, important documents, cannons, and training equipment.

Even though Rey is a chore boy, he doesn't have much job other than cleaning the base floor.

In a day, he will have at least 5-6 hours of work and spends the rest of his free time in a nearby forest. It's like a secret base and a peaceful place special to Rey, where he usually relaxes and take naps.

For Rey, It's a perfect place for him to train his body. Thanks to his recent injury, he easily obtained five days of absence approval and left the marine base.

Since he was working as a chore boy for three years, he has some savings with him equal to 30,000 Berries.

Even though it looked like a large sum of money, in reality, it's very low. Just one normal cabbage cost 150 Belly, and a normal shirt cost 200 Belly.

With such a small amount of measly savings, he can't even eat a good meal outside for more than five days.

The reason he took leave was to properly train his technique and have a good meal for the next five days. Even though in Marine base there are high-quality foods available, Rey wants to buy some good food items to increase his stamina and endurance.

When he came out of the Marine base, he saw a medium-sized town bustling with activity. This town and the marine base resembled similar to shells town where Luffy went to recruit Zoro and confronted Captain Morgan.

He roamed inside the town to buy some foods, clothes, knives and some other daily necessary items. He soon left the town and walked towards the forest for training.

Thankfully, the forest only has some native animals and doesn't have any formidable creatures.

Rey's training is very simple and direct since he was physically weak such as 20 Km of running daily for improving his oxygen capacity and stamina.

Push-ups, pull-ups, squats, weight training, and high-intensity workout training to strengthen his muscles, bones and improve his endurance.

Stretching and yoga to improve his body flexibility. His training and exercise mainly focus on speed, strength, agility, and control.

Like this, Rey practiced for ten hours a day with some breaks. He often goes to the town to buy some wild animal meats and have it to increase his vitality and endurance.

Day by Day his intake of food began to increase. He just has to circulate the energy in his body according to the Nine gates technique after consuming the food it will reduce his fatigue, tiredness and improve his physical strength.

He could feel his strength was increasing little by little every day and these five days have helped him to build a solid foundation to his body.

Five days quickly passed, now, Rey has to return to the marine base to resume his duty.

From now on, he just has to practice every day whenever he has the time and improves his physical strength.

When Rey went inside the Marine base, he heard an angry voice from behind him and without even turning his head, he knows its Mia.

"Rey, I heard you took leave for five days. Where did you do, why didn't you inform me? I was worried."

"I wanted to relax for some time from the duties so I went to the nearby town for vacation", Rey spoke.

"Come with me, our base's chief petty officer with his subordinates captured the Half scar pirates. You don't know, but the captain of Half scar pirate has a bounty of 1,00,000 Berries." Mia led Rey to the Marine base's central square where the pirates are detained.

Many marines were standing in the central square watching the captured pirates. Some were praising the Chief petty officer whose face resembles that of a gorilla, with facial black hair and tanned skin.

He wore the standard Marine shirt and cap with a large sword on his back.

The captain of the Half scar pirate was a wild-looking person with a shaggy, light-colored, and short hair. He wore a short-sleeved, light-colored shirt, with dark-colored shorts. His notable feature is a half scar on his cheek.

The chief petty office revealed a smug and proud expression on his face. He was pleased seeing many marines are praising him and also excited that he may receive a promotion for capturing this notorious pirate.

Rey noticed Mia was watching the commotion with sparkling eyes since her dream was to become a great marine one day. Rey shook his head, he was not interested in such small news but he got an idea to promote to next rank.

Even though arresting the pirates are tough with his strength, some pirates with low bounties only have the strength of ordinary people.

After some time, Mia and Rey left the central square and wandered around the marine base.

"Mia, if you want to become a great marine, you should become stronger and reach a high rank in marine," Rey told.

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"I know, I am not dumb as you." Mia seriously spoke.

"I am planning on hunting pirates with low bounties so if you want to come, we can travel together."

"Don't be an idiot! Even if a pirate only has low bounty it's not something people we can handle by ourself. Moreover, we are simply a chore boy and chore girl without any combat experience."

"I know, that's why we are going to train ourselves by challenging the seaman recruits in our base. Even though we may be injured in the process, we can improve our strength faster this way."

Mia considered for a minute and said 'OK'.