The Strongest Master in Shinobi World (COMPLETED)

Of course, Asahi could have used Wood Release to directly build a luxurious wooden house. In the original story, Hashirama Senju also used Wood Release to construct houses, but Asahi didn't dare to do so. 

At this point in time, Hashirama, the First Hokage, had recently passed away, and the reputation of Wood Release still lingered in people's minds. Additionally, there might be spies observing secretly, like Madara Uchiha, who didn't die, and Zetsu. To avoid drawing their attention, Asahi was being cautious.

Although in the future, he would certainly have fun with these individuals, Asahi recognized that he was still weak at that moment. To avoid making anyone feel that he was too much of a threat and planning to eliminate him, Asahi felt it was better to keep a low profile.

"Great success, perfect!"

Asahi was satisfied as he clapped his hands together, even though there was no actual dirt on them.

The three youngsters looked at the brand-new small wooden house with sparkling eyes. Although their involvement in building it was minimal, they felt an immense sense of achievement.

"Master, are we going to live here from now on?"

Excited, Konan circled the wooden house, hopped onto the steps, and enthusiastically asked.

Nagato and Yahiko were equally thrilled, exploring every nook and cranny.

They hadn't lived in a proper house for a long time. For safety reasons, they usually slept in caves.

"Yes, but today's time is too tight. Tomorrow, I'll go to the nearby town to buy bedding and food. Today, let's make do without it."

Asahi couldn't help but smile when he saw the excitement on the faces of the three youngsters.

"It's okay, Master. This is already great!"

"Yeah! We're going inside!"

The three youngsters didn't mind the lack of bedding at all; they were still excited.

"Alright, let's go in. Once you've calmed down, I'll teach you how to refine chakra."

Asahi shook his head helplessly; this was how children should be.

"Hooray!"

The three youngsters cheered together and rushed into the newly built house. Asahi followed them inside with a smile.

However, because he was about to teach his disciples, Asahi approached this matter very seriously.

The first step in training was to have a good method of exercise.

Asahi possessed the Senjutsu, and when he accepted Yahiko as his disciple, the system even rewarded him with a Senjutsu version of the chakra refinement method.

Asahi didn't fully understand what this was about, but he knew that he could always ask the system when he had questions.

"System, system!"

"Ding! Host, I'm here."

"I want to ask, what's the deal with that Senjutsu version of the chakra refinement method?"

"Ding! Due to the current world's rules, there's a problem. Natural energy contains a volatile factor, and without the system's assistance, your disciples can't safely absorb natural energy. The Senjutsu version of the chakra refinement method can be understood as a simplified version of the Senjutsu. It removes the absorption of natural energy and focuses solely on refining chakra within the body and spirit, aligning with the laws of this world."

(T/N: I have changed the Spiritual technique to Senjutsu as from the explanation it seems more focused on Natural Energy)

With this explanation from the system, Asahi understood the situation.

Back when he watched the anime, Asahi knew that only by practicing Senjutsu could one absorb natural energy. Moreover, this process was extremely dangerous, and a slight mistake could lead to death.

For example, the petrification from Mount Myoboku. Furthermore, after practicing senjutsu, there would be obvious physical changes. In the anime, Naruto, for example, achieved a perfect Sage Mode but still retained the orange pigmentation around his eyes.

Not to mention those like Jiraiya and Kabuto Yakushi, who underwent substantial transformations, practically becoming different species.

"Then why hasn't my appearance changed?"

"Ding! As for the host's appearance, it's because the Senjutsu is the most suitable training technique for humanoid forms."

"I see"

Bringing his focus back to reality, the excitement of the three youngsters had mostly worn off.

"Okay, come over and sit cross-legged."

Hearing Asahi's instructions, the three youngsters understood that Asahi was about to start teaching them how to train.

They became serious and obediently sat cross-legged in front of Asahi, eagerly watching him.

"Ahem, first of all, you need to understand that to become a ninja, you must be able to extract chakra."

"This is a talent, and those who can successfully refine chakra make up only one percent of humanity or even fewer."

As soon as Asahi said this, the three youngsters instantly became nervous.

Could they really refine chakra?

Of course, Asahi noticed their anxiety and reassured them, saying, "But you don't need to worry about that. I've already checked, and your talents are all quite good."

Phew! The three youngsters visibly breathed a sigh of relief.

Asahi continued, "However, refining chakra is just the first step in becoming a ninja."

"You also need to learn how to use chakra, how to use ninjutsu, taijutsu, genjutsu, and so on."

"But remember, a journey of a thousand miles begins with a single step!"

"You've missed the golden age of training. In most ninja villages, children start refining chakra and learning ninjutsu at the age of six."

"And here you are, already in your teens. So, you need to focus on strengthening your fundamentals!"

Seeing Asahi's serious expression, the three youngsters shouted in unison, "Yes, Sensei!"

"Very good!" Asahi nodded and continued, "Now, I'll explain to you what chakra is and teach you the Tazuna Clan method of chakra refinement."

"Remember, you must never casually teach this method to others."

"To put it frankly, Tazuna Clan chakra refinement method can be considered the most powerful in the entire ninja world!"

Asahi wasn't boasting; this chakra refinement method, simplified from Senjutsu, was truly unmatched by any other techniques in the ninja world.

"This isn't just to protect the secrecy of our clan; more importantly, you're still too weak. Remember, an innocent man is free from suspicion, but a guilty man is sure to arouse suspicion!"

Listening to Asahi's guidance, the three youngsters nodded firmly. "Sensei, you can trust us! Even if someone were to kill us, we would never teach the technique to outsiders."

Asahi shook his head, "If someone were to kill you just to obtain the technique, give it to them without hesitation."

"Furthermore, if you ever take on disciples in the future, you can pass it down to them. But be cautious, and don't tarnish Tazuna Clan's reputation!"

"Yes, Sensei!"

The three youngsters were deeply moved by their sensei's care. It was truly heartwarming.

"Now, let's begin. Chakra is the energy extracted from the thirty trillion cells in the human body and one's own spirit. Concentrate your focus, and I'll guide you through the process of circulating chakra..."

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