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  Arthur left the vilge, returning to the forest oher side of Birka.

  He had taken Enel's fruit and given him another iurn. It was a fair trade, he reasoned, feeling no guilt whatsoever.

  Now, he could set aside all distras and focus on training in the forest.

  Daily workouts were essential. Physical prowess was a vital asset iure. Arthur pushed himself relentlessly, each punch thrown with all his might, the force of his blows rustling the leaves on the forest floor.

  Sweat flew in every dire, dreng his clothes, but he paid it no mind. He was pletely absorbed in the feeling of growing power.

  "My Rumble-Rumble Fruit is only in its initial stage. To get stronger, I o ho. But what's the fastest way to increase my strength?"

  Even while training, Arthur's mind was occupied with other matters. These physical exertions were not enough to fully engage his attention.

  "Electric current stimute muscle and bone cells—leading to rapid physical enha. Should I give it a try?"

  The idea suddenly struck him, and his eyes lit up. It seemed worth expl.

  In his past life, he had enjoyed various anime—One Piece was his favorite, but he had also watched an anime called—Naruto.

  The Raikage—in Naruto used a secret family teique to enhaheir physical strength. That teique involved eling—lightning through their bodies!

  Ohe idea took root, it wouldn't let go. Arthur even stopped his physical training.

  "I have to try this method. Failure is no big deal. But if I succeed—Iure, I might even be able to tend with the likes of Kaido and Whitebeard in raw power!" His eyes shoh an almost frightening iy.

  However, this method was extremely dangerous, potentially fatal. It required time and careful experimentation.

  The Raikage's teique was a family secret. His aors must have spent a siderable amount of time, geion after geion, developing it.

  Only through such dedication could they have created their unique enha method.

  But Arthur was different. He had ed the Rumble-Rumble Fruit and could trol lightning. He could precisely regute the iy of the electric current.

  He could develop this teique in the shortest time possible. And with time, surpassing the Raikage was a given.

  ...

  The experiment was extremely dangerous. Arthur had to be the test subjeisstep, ah was the only oute.

  A normal person's cause of death from electrocution was typically when the current passing through the body exceeded a safe threshold.

  Beyond that threshold, the lungs stopped breathing. The heart muscles lost their ability to trad beat, leading to ventricur fibriltion. The "blood pump" would cease to fun, halting blood circution throughout the body.

  Once blood circution stopped, it caused cellur oxygen deprivation. Within 10-15 seds, a person would lose sciousness. After a few more minutes, nerve cells would begin to die, ultimately leading to death.

  This was all on knowledge. In his previous life—Arthur was a welder. He frequently dealt with electricity, so he khis like the back of his hand.

  The severity of electric shock depended on several factors: the current's iy, voltage, resistance, duration, the path it took through the body, and the individual's physical dition.

  When a current of 1 milliampere (ohousandth of an ampere) passed through the body, a person would feel a tingliion. At 10 milliamperes, the sensation would bee unbearable, and the body would start to react.

  At 20 milliamperes, muscle tras would occur. If the current tinued, it could lead to death. At 50 milliamperes or more, even a brief exposure could be fatal.

  Arthur's current physical dition was far beyond that of an ordinary human. In short, he was superhuman—His robust physique could withstand a higher electrical current—Therefore, he could start his experiment with a slightly increased iy.

  But he couldn't fet that besides current, voltage was also a danger!

  The higher the voltage, the more dangerous it was. Generally—a person could safely withstand voltages of 36 volts or less. Above 36 volts, there was a risk of fatal electrocution.

  Furthermore, the lohe duration of the shock, the greater the risk. When a person couldn't break free from the power source, their muscle tra ability would rapidly dee, leading to heart failure, suffocation, a, shock, and ultimately, death.

  Arthur wasn't worried about this aspect. As the master of lightning, he could trol it at will. If he felt any disfort, he could stop it immediately.

  The Rumble-Rumble Fruit had a teique called—"Electric Therapy," which could stimute the heart with electricity and revive a person from the brink of death.

  If Enel could develop such a bizarre ability, there was no reason Arthur couldn't use electricity to stimute his muscles and enhance his physique.

  He found a spot and sat down, carefully reguting the lightning while ensuring his body didn't bee elementalized. He began his experiments, starting small.

  Of course, Arthur was too cautious to experiment directly on his body at first. He eled the current into his little finger, pletely isoting it from the rest of his body.

  It was just a little finger. If it got damaged, he could simply cut it off. It wouldn't affect his bat ability. There were plenty of ways to recover on the Grand Line.

  But if he used it on his body and damaged his internal ans, he'd be on the verge of death. He wouldn't have the luxury of finding a doctor then.

  The current flowed, gradually increasing in iy. Arthur meticulously observed the ges in his little finger...

  ...

  Time flew by. A month passed.

  "Finally, success!" Sitting on a thick tree branch, Arthur nearly leaped up iement.

  After a month of experimentation, he could clearly feel that his left little finger was strohan his right, not just in terms of raw power, but also in flexibility aerity.

  "Hahaha! Now I fidently use electricity to enhance my body! Kaido's title of 'Stro Creature'—will soon be mine!" Arthur's spirits were high.

  Over the past month, he had tinuously increased the current and voltage. His left little finger had nearly been burnt to a crisp in an act. Fortunately, he had mao elementalize in time, avoiding amputation.

  Now that the experiment was successful, his body would be stantly strengthened by the electric current. Sooner or ter, he could reach a terrifying level of power, where he could shatter mountains with his fists.

  <"Zzzzzzt—!">

  The faint sound of electricity crackled. Under Arthur's trol, it flowed through every part of his body, even his bones, except for his fragile internal ans.

  He wasn't about to take risks with his internal a. One mistake could be fatal. However, Arthur was fident that one day, he could enhance even his ans. Then, he would bee a true Superman, with no weaknesses, inside or out.

  His skin, muscles, and bones were slowly growing strohe tingliion made Arthur's body shiver involuntarily. He gnced around, feeling a little self-scious.

  Fortunately, no one was nearby. Otherwise, he would have had to 'silehem.

  The sensation was even more pleasant than soaking in a hot spring, a tingling feeling all over his body. Arthur rexed and ehe moment.

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