Naruto: The Scientific Ninja

Chapter 42: Divine Skill Training

"Sasuke, I don't eat for free. Here, this is a Green Spinach Pill. Consider it payment for the meal. I don't need to tell you how to use it; I'm sure you know."

Akimichi Torifune took out a case, picked one of three differently colored pills from within it, and tossed it to Sasuke. "Come on then, don't forget our appointment tonight." He leaped away and disappeared into the woods, his booming voice still echoing through the trees.

A Green Spinach Pill! Sasuke was overjoyed. This was the good stuff. Only the most elite jōnin in Konoha were given these, and even then, only in small quantities. They were a high-grade military ration pill that couldn't be bought with money.

Currently, Konoha's ration pills were divided into four categories. The lowest quality went to the cannon fodder. Standard-issue pills were for clan ninja and the chūnin backbone. High-end, double-effect pills were for the jōnin. But the Green Spinach Pills were a special ration, only distributed in small numbers for S-rank missions.

They were called ration pills, but in reality, they were a secret medicine for a massive chakra explosion. Once taken, they could increase the user's strength by at least three times in a short period, a powerful trump card for any shinobi. Though the side effects were considerable, they were nothing compared to the pill's effect. Only a豪放 (hàofàng, bold and unconstrained) man like Torifune would give away such a treasure so casually.

If the Green Spinach Pills are this powerful, Sasuke wondered, I can only imagine the legendary Yellow Curry Pills and Red Pepper Pills. But he knew those were likely only usable by the Akimichi clan themselves. He carefully stored the pill away. He now understood the gluttonous nature of Torifune. For tonight's dinner, he would have to be well-served.

"There's still plenty of time," he mused. "Let's see how effective this Akimichi digestion technique really is."

He quickly activated the chakra in his body, imitating Torifune, and used it to stimulate the vagus nerve endings in his intestines. For other ninja, this step might have been difficult, but for him, with his infrasonic X-ray vision, it was extremely simple.

Even with only a small amount of chakra, the effect was surprisingly good. His intestines began to move rapidly, and a large amount of gastric acid, bile, and digestive enzymes were secreted, digesting the food in his stomach at an incredible rate.

"Captain, did you develop a fire-nature chakra?" Ryo asked, seeing Sasuke's body turn as red as a shrimp, with hot steam rising from him.

"Yes," Sasuke said without comment. He quickly arranged for the three of them to practice separately and then ran to the river at full speed.

It's too hot, he thought, feeling his heart pound. There's too much energy in my body. It has to be digested as soon as possible.

He quickly formed the hand seals. "Water Style: Hidden Mist Technique!"

Just as he released the D-rank ninjutsu, he discovered that the chakra consumed in his body was being restored at a speed visible to the naked eye. Less than ten seconds later, his chakra was back to full strength.

"Great! I didn't expect such a pleasant surprise."

He had just used the Akimichi digestion technique to digest a large amount of food, generating a huge amount of energy. He couldn't store it as effectively as Torifune yet, but if he used it to replenish and restore his chakra and physical strength, it was perfect. While it couldn't fundamentally compensate for his severe lack of chakra, if used for cultivation, the effect would be more than ten, even a hundred times greater.

"Water Style: Mist Body Flicker!"

He used the technique again and again, his chakra instantly recovering, the physical exhaustion from the high-intensity movement being washed away by the flood of energy. He had used it nearly a hundred times in a row, but he was still full of energy.

Why don't I try expanding the range of the Hidden Mist Technique?

Soon, the range of the mist soared from the original sixty meters to one hundred, and then continued to extend to nearly two hundred meters before his chakra recovery could no longer keep up with the consumption. He maintained the two-hundred-meter range and continued to practice. In just half an hour, he had performed the Mist Body Flicker nearly a thousand times, and its speed and his proficiency with the Hidden Mist had become faster and faster.

"Huh? The energy is running out so fast?!"

He finally felt his chakra recovering more and more slowly. In just half an hour, he had burned through all the energy in his body. My food-to-energy conversion rate is far inferior to Torifune's, he realized. I have to continue to learn from him.

He had finally realized the disadvantage of the Akimichi Digestion Technique: it consumed too much food.

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