30. Uchiha Sora Recovers

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On Sora's side:

As time passed, his body grew stronger with each passing day. His vitality was nourished by medicinal concoctions and the meat of Sea Kings. Coupled with health-preserving exercises, his recovery accelerated significantly.

Even his height increased once again.

Four days later, Kureha developed super nutrition potions and body-enhancing potions. Building on her work, Sora spent only two days creating weaker variations of these potions, with effects ranging from one-tenth, two-tenths, five-tenths, and up to eight-tenths of the original strength.

Additionally, he combined Sea Kings meat with various medicines to create nutrition pills. From these, he also formulated weaker pills with varying levels of potency, ranging from 10% to 90%.

After another seven days, Sora successfully developed a weakened version of the conditioning potion, designed to heal hidden injuries and restore vitality. Building on this, he combined the conditioning potion with his nutrition pills and potions, resulting in a mild yet highly effective potion capable of replenishing a large amount of vitality in a short period.

Sora named it the Life Potion.

"Hmm! This potion should be able to perfectly address Uzumaki Mito's problem," Sora mused, inspecting the bottle of life potion brimming with gentle vitality in his hand. "That is, assuming her issue really is just a severe loss of vitality."

At this point, Sora's years of study and research had elevated his medical skills to the level of minor success, and he was steadily advancing within that stage. His progress in other areas was equally impressive.

"Oh? The potion you've made is quite remarkable!" Kureha remarked as she approached, eyeing the life potion in Sora's hand with a smile. "Especially for ninja like you, who rely on extracting cellular energy—it's very suitable. With this, you've essentially solved the issue of burning through your life force!"

"But," she added thoughtfully, "this must be quite expensive to produce, right?"

Sora nodded in agreement. "It's definitely not cheap. It requires a significant amount of Sea Kings meat and rare medicinal ingredients. The extraction and refining process is also particularly complex and time-consuming. If converted into currency, the cost would be around 5 million Berries per bottle!"

He sighed. "Of course, if the extraction and production processes can be improved in the future, the cost could drop significantly. But that's not something that can be achieved quickly."

For now, Sora lacked expertise in mechanical manufacturing and engineering. Improving the process and establishing an advanced production line was beyond his current capabilities.

'Maybe I could consider collaborating with Orochimaru?' Sora thought to himself. But he quickly dismissed the idea. 'No. His scientific research skills are not yet advanced enough. Besides, at this point, he's still loyal to the Third Hokage, so he's not the right partner.'

'Perhaps I should explore opportunities in the pirate world Germa 66's technology could be promising...

But even with this thought, Sora knew that his current strength wasn't sufficient to pursue such a goal. For now, he would have to rely on his mother.

'Mom already has enough on her plate, this life potion isn't urgent. It can wait.'

Sora sighed inwardly. 'What I really lack is a trustworthy and powerful ally.'

Fortunately, he didn't need the life potion for himself at the moment. Once his recovery was complete, nutritional potions and pills would be enough to replenish his vitality and energy.

"This is already quite impressive!" Kureha said, shaking her head with a mixture of pride and realism. "The stronger the potion, the harder it is to refine. You should know that by now."

"You'll be fully recovered in a few days," Kureha said. "But don't forget the medical books you promised! You still owe me plenty!"

"Will you be coming here often in the future?" she added, glancing at the growing collection of medical books Sora had provided. At the moment, her collection totaled less than 200 books—a far cry from what she hoped to gather. Still, what she had already gained had significantly broadened her medical knowledge.

"Of course!" Sora replied with a smile, nodding confidently. "Don't worry. Even when I recover, I'm not ready to go out to sea or start wandering just yet. Besides, I still have thousands of your medical books left to read, and I haven't even fully learned your medical techniques. How could I stop coming here?"

In truth, Sora intended to make the most of his time with Kureha, aiming to squeeze every ounce of value from their interactions. He was even hoping to raise her favorability toward him to over 80 points. Currently, her favorability sat at 72—a solid increase, but there was still work to be done.

"Victory is in sight, just a few more months should be enough.'

He understood, however, that the higher someone's favorability, the harder it became to improve further. Fortunately, continued exchanges of medical knowledge and regular interactions would ensure steady progress.

"Haha!" Kureha laughed heartily, pointing a finger at Sora. "You're a greedy little brat! Do you think learning my medical skills is that easy? Be prepared to stay here for a long time!"

With that, Kureha returned to her recliner and resumed reading a medical book, leaving Sora to his thoughts.

In the blink of an eye, several days passed.

Sora had now spent almost a month on Drum Island, and today, he was finally fully healed. The innate deficiencies in his life force had been completely resolved.

In fact, due to the health-preserving exercises he had practiced during his recovery—and the feedback from replenishing his life source—Sora's vitality was now far beyond that of an ordinary person. His physique was several times stronger than his peers in the ninja world.

[Uchiha Sora]

Talent: Space-Time Gate, God Rewards Hard Work

Lifespan: 95 years, 7 months, 19 days (Life Origin: 13.2)

Chakra Attributes: Water, Wind, Fire, Earth, Yin, Yang

Skills: Uchiha Chakra Refining (1/100, entry level) Medical Skills (7,568/50,000, minor success) Health Preservation (5,145/10,000, major success) Uchiha Meditation (456/1,000, grandmaster) Basic Physical Skills (342/500, proficient)

"Haha! Finally, I'm fully recovered!" Sora exclaimed, feeling a deep sense of relief and accomplishment. "My lifespan has even exceeded 95 years now. If I keep practicing health-preservation techniques, it might not be long before I surpass 100!"

The past month had required intense effort to regain his health, but seeing the results made it all worthwhile.

'Now, I can finally start formally training in chakra, ninjutsu, taijutsu—and even the Six Styles and Haki.'

'Of course, I'll need to develop these gradually. I'll have to follow a structured plan, taking my body's limits into account.'

Sora understood the importance of moderation. Even with the aid of nutritional pills and potions to replenish his vitality, overtraining could cause setbacks. He decided to control his chakra training and gradually increase the intensity over time.

'Huh? I've awakened the Yang attribute? That's unexpected—but it's fantastic news! It'll make learning medical ninjutsu and even Yang Release techniques much easier in the future.'

He speculated that this development was tied to his recent heavy consumption of Sea Kings meat. The meat had significantly replenished his vitality, improved his physical fitness, and enhanced his life force.

'The only thing I'm missing now is the lightning attribute. If I could acquire it, I'd have all the chakra natures. Maybe eating the Rumble-Rumble Fruit could unlock it?'

As he considered this, Sora hesitated. 'But should I really eat a Devil Fruit? That would mean giving myself a major weakness.'

He weighed the pros and cons. While the seawater in the ninja world wouldn't affect him, the seawater in the pirate world would make him vulnerable—a critical consideration for his future plans.

"I wonder if there's a way to eliminate that weakness?" Sora pondered. But after a moment, he decided to let it go for now.

"Better to focus on what's in front of me," he concluded.

With that thought, Sora and Mikoto teleported back to the ninja world.