Chapter 4 4: Lightning Release.

Words : 1030 Updated : Sep 25th, 2025

Chapter 4 of "Naruto: Eating A Devil Fruit In The World Of Shinobi" opens revealing: Suddenly, the cold figure lying on the tatami opened his eyes. "It's really magical!" Looking at... Keep going!

Suddenly, the cold figure lying on the tatami opened his eyes. "It's really magical!" Looking at everything familiar in front of him, Kaito felt as if he was in another world! (Technically, He is in another world lol) Glancing at the clock next to the tatami, he remembered that the time before he entered the training space was 5:15 p.m., and now it was 5:16—only one minute had passed! Ten days inside is equivalent to one minute outside. It made Kaito once again admire the power of the system. Just as he was about to step off the tatami, Kaito frowned, feeling weak in his body. "Why is this body still the same as it was 10 days ago?" "System! What's going on?" [Host, you are still young, and your body cannot yet withstand the system directly infusing you with energy to change your physique. Only when you are soundly asleep will this system enhance the host's physical strength in the most gentle way.] [During sleep, the system works tentatively. This system can only guarantee that when you wake up, your strength in the training space will be synchronized with your current body.] Kaito: ... Perfect—this word popped into Kaito's mind. Gurgle! A sound came from his stomach. He touched his belly and walked toward the kitchen. After eating and drinking his fill, Kaito burped and asked: "System! Does my physical strength only improve when I'm resting?" [Yes! As the host grows older, the time required for strengthening will decrease.] After ending the simple conversation, Kaito closed his eyes. Not long after, soft snoring could be heard from the tatami. As he fell into a deep sleep, a warm current began to flow through his limbs and bones. Wherever it passed, Kaito's muscles and bones would be strengthened. Although the enhancement was limited, the warm current continued to circulate throughout Kaito's body repeatedly. This warm current gradually faded as Kaito's physical state caught up with his strength in the training space. Kaito had a dream that he was in a sauna. He felt incredibly comfortable, like being back in his mother's arms. Just when he was enjoying the warmth, everything vanished, and Kaito suddenly opened his eyes. He looked out the window—it was pitch black. "Is it night already?" Kaito murmured, feeling a strong surge of energy from his limbs. His entire body felt relaxed and comfortable, brimming with power. "It really worked. My body is exactly the same as it was in the training space!" After a light dinner, Kaito stood up and walked toward the two wooden stakes outside. He clenched his fist, bent his arm, and suddenly punched one of the wooden stakes! Bang! A dull thud echoed in the silent air. Small wood chips flew from the stake. He withdrew his fist, revealing a faint indentation on the wood. Kaito was satisfied. Just yesterday, he had been a skinny, ordinary child. Now he could leave a fist mark on a wooden stake with one punch. That was a huge improvement. Back on the tatami, Kaito closed his eyes, trying to fall asleep again. He was still young and didn't want to reverse his day and night routine. But how could he fall asleep so quickly after waking up? Kaito began counting his hair strands. After counting what felt like hundreds, he gradually drifted off to sleep. Time passed, and a month went by quietly. In the training space, Kaito had four iron blocks tied to his limbs and a heavy stone strapped to his back. He ran through the streets of Konoha, his forehead drenched in sweat. One lap, two laps... no one knew how many laps he ran. From sprinting to jogging, and finally to slow walking, he left a trail of sweat behind him. "Phew! Finally finished!" After completing the last lap, Kaito dropped his weights and collapsed onto the ground in a spread-eagle position, gasping for air. One month in the outside world equaled nearly a year in the training space. (A/N:Being in the system space doesn't mean he'd age quickly) During this time, Kaito trained not only in taijutsu and chakra refining but also added chakra control to his routine. The chakra control exercises were simple—tree climbing and water walking, just like in the original story. After a month here, Kaito had successfully mastered them. His training had become a steady cycle of physical conditioning, chakra refining, and occasional chakra control. As for the Goro Goro no Mi, aside from basic elemental usage, Kaito had not developed it further. He wasn't in a rush—he had plenty of time. The reason Kaito focused so much on taijutsu and chakra refining was to prepare for a secret technique: A Lightning Release body-enhancement technique! This was a unique secret art from the Hidden Cloud Village, and every generation of Raikage was skilled in it. Especially the Third Raikage, who once fought an army of tens of thousands from the Hidden Stone by himself and only died of exhaustion after three days and three nights of continuous battle. That alone proved how powerful the technique was. The principle was simple: use lightning chakra to stimulate the body's cells and bring out the body's full potential. It wasn't like standard Lightning Release techniques that channeled chakra through the hands or weapons. Instead, it flowed throughout the body, inside and out. The key difference was that this lightning chakra couldn't be precisely controlled. If it were controlled like normal ninjutsu, it would lose its effect and simply act as regular Lightning Release. The essence of the Lightning Body Enhancement technique was this: Generate a set amount of lightning chakra, then immediately release control of it. Let it surge through the body as arcs of electricity, naturally stimulating every cell. The amount needed to be exact. Too much, and you'd electrocute yourself. Too little, and it wouldn't have any effect. That's why Kaito trained so hard physically. If he didn't, his body wouldn't survive even a low-output discharge. --- Send Powerstones.

Chapter 4 4: Lightning Release.

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