Chapter 70: Chakra
[Disciple Might Guy has completed the training mission. Reward: Chakra +1000, Rock Breathing (Mastery Level)]
[Disciple Uchiha Obito has completed the training mission. Reward: Chakra +700, Fire Release: Great Fire Destruction (Proficient Level)]
A series of notifications quickly appeared on the system panel.
"It seems the final completion rate really affects the rewards," Mugetsu muttered to himself, gradually understanding how the training mission's reward system worked.
The rewards were divided into two parts: one based on the strength gained during the mission period, and the other on whether the mission objective was achieved.
Obito's Taijutsu improvement had been about the same as Guy's, but since he didn't win first place, his reward was significantly lower.
Mugetsu's eyes landed on the reward: Rock Breathing. The name alone told him it didn't originate from the Naruto world—he had seen a certain anime before.
Just like with Shave, Mugetsu now understood that the system could grant abilities from other worlds, adapting them for the Shinobi world.
As the memories of decades of Rock Breathing training settled in his mind, Mugetsu nodded to himself. "As expected… it's been localized."
After reviewing the memory, he realized just how fearsome this "Naruto version" of Rock Breathing was—it could even be considered a forbidden Jutsu.
Once mastered, Rock Breathing allowed the user to unleash terrifying power instantly through Total Concentration Breathing in critical moments.
At high proficiency, one could enter Total Concentration Breathing: Constant State, maintaining the breathing style for twenty-four hours. It greatly enhanced the body and boosted overall strength.
Upon full mastery, one could activate a stronger state known as the Mark, which amplified the user's chakra and physical ability exponentially. But using the Mark came at a cost—tremendous chakra consumption and severe strain on the body.
"It suits me better than the Eight Gates," Mugetsu murmured with satisfaction.
As long as he avoided forcibly activating the Mark State, Rock Breathing offered nothing but benefits. It strengthened his body passively and gave him a powerful burst option in battle.
The more he thought about it, the more he realized that Rock Breathing and the Eight Gates actually complemented each other.
The Eight Gates unleashed a massive surge of chakra, but it was wild and uncontrollable—useless for precise Ninjutsu. But the Mark State didn't require fine chakra control. The overflow from the Eight Gates could sustain the Mark's demands. The only question was whether the body could handle it.
That's where Rock Breathing came in—it built physical resilience.
"Seventh Gate plus the Mark... That's a lot safer than opening the Gate of Death," Mugetsu grinned. "This was a massive gain."
Sure, Obito's Proficient-level Fire Release: Great Fire Destruction was impressive. But it still couldn't compare to Rock Breathing in terms of potential.
He opened his personal panel.
---
[Name: Hayate Mugetsu]
[Age: 18]
[Chakra: 11,300]
[Skills: Chef, Three-Finger Sealing, Fire Release: Great Fire Annihilation, Shave, Earth Release: Earth Spear, Rock Breathing…]
[Evaluation: You have mastered numerous Ninjutsu, including high-level and forbidden techniques capable of immense destruction. You possess the strength to challenge elite Jonin.]
---
Seeing his chakra finally break the five-digit mark, Mugetsu couldn't help but feel a surge of satisfaction.
From 4,300 when he first transmigrated, to 11,300 now—this was the result of just one semester.
With three semesters per year, if he maintained this pace (not counting holiday gains), he could increase his chakra by over 21,000 annually.
With the first-place winner announced, the exam ended, and the teachers and students began to leave.
---
"Obito, are you alright?" Rin jogged over, worry on her face.
"What could be wrong? It's just a kick—"
But as Obito moved too fast, he twisted where Guy had struck him earlier and gasped in pain.
"Don't push yourself. Let me help you," Rin sighed, half helpless, half exasperated.
"No need, I'm really fine. I just lost because I was careless," Obito replied through gritted teeth, stubborn to the end.
He hated losing—especially in front of Rin and Mugetsu. With Kakashi already on his case about never getting first, this loss only added salt to the wound.
"Mugetsu-sensei…" Obito lowered his eyes slightly as Mugetsu approached.
"How are you feeling? Do you need to go to the infirmary?" Mugetsu asked gently.
Even if they were tough kids, those who lost still needed reassurance.
"No need. I'm fine, really. It's just a little sore. I already turned down the proctor's offer to send me earlier," Obito replied honestly.
"Still, it's better to get checked out—just to be sure," Mugetsu advised calmly.
"Mugetsu-sensei's right, Obito. Let's go," Rin added.
"Alright then… Rin, you can head home. Mugetsu-sensei and I will go to the infirmary," Obito relented. With both of them insisting, he couldn't refuse anymore.
"I'll come too," Rin said, still concerned.
"No need—Mugetsu-sensei's with me," Obito said quickly. He didn't want to trouble Rin.
"I'll go with him," Might Guy offered.
Even after going all out in battle, he still saw Obito as a comrade.
"See? There's two of us. Rin, really, you should go home," Obito insisted.
Rin hesitated, but seeing Obito's persistence and knowing Mugetsu was reliable, she finally turned to leave.
---
At the infirmary, Mugetsu found an excuse to send Guy away, leaving him alone with Obito.
"Don't let one loss drag you down. There are two exams per semester. Six per year. If you mess up one, work harder on the next."
Mugetsu's tone was light, but his words were firm.
"And don't think you've disappointed me. If that were the case, then either you or Guy would have to let me down twice every semester," he joked.
Obito laughed. After thinking it over, he realized Mugetsu was right. There wasn't just one exam—there was always a next time.
"As long as you keep training and growing stronger, there's no such thing as letting me down," Mugetsu said, gently patting Obito's head.
"Mugetsu-sensei…" Obito looked up, deeply moved by his teacher's sincerity.
In that moment, he swore to himself—
Next semester, I will get first place. I'll prove I'm not weaker than Guy. I'll prove I'm worthy of Mugetsu-sensei's guidance.
---
[Disciple Uchiha Obito has set a training mission.]
[Training Mission: Obtain first place in the next Ninja School practical exam.]
Seeing the system prompt, Mugetsu smiled in satisfaction.
Now that he had comforted his defeated disciple, he stepped outside to call for the winner.
Time to reward Guy properly.
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