Minato's letter was relatively concise, and there wasn't anything too important in it. In essence, it could be condensed into one sentence: "I'm going to the battlefield for a mission, so I'll leave Kushina's meals to you." Of course, the actual content was probably not as straightforward. It would likely be more tactful, with some expressions of gratitude.
Although Minato's letter didn't contain any particularly important information, his departure for the battlefield held some significance for Mutsuki. It could signify that the exploratory attacks had ended, and the two sides of the war were now engaging in official combat.
While the Third Great Ninja War was expected to last around four to five years, it wasn't necessarily the case that the first four years were spent solely on reconnaissance, with the final year escalating rapidly.
However, this didn't have much relevance to Mutsuki at the moment. As a Special Jonin specializing in teaching, he wouldn't be assigned to combat missions on the battlefield unless it reached the intensity of a massive invasion by ten thousand Hidden Rock troops along the border.
Teaching at the Ninja Academy has its advantages; it's not until the worst moments that it's your turn to go to the battlefield.
After reading Minato's letter, Mutsuki began organizing his plans for improvement.
Firstly, there's Obito, who can quickly earn him some quick returns. Obito's birthday is only twenty-one days away, and barring any surprises, it will be another Perfect-level skill.
Once Guy's birthday passed, Mutsuki straightforwardly asked Obito what he wanted for his birthday gift.
Obito is usually quite chatty, but when Mutsuki asked him directly, he couldn't come up with much to say. In the end, he just said that anything from Mutsuki would be fine.
Mutsuki expected this response from Obito, not because Obito has a peculiar personality, but because Mutsuki is usually very kind to them. In such situations, Obito would feel even more embarrassed to trouble Mutsuki.
The reason Mutsuki still asked even though he knew the answer was to instill in Obito a sense of "Yumi-sensei cares a lot about me and is thoughtful about my birthday gift," making it easier to evoke emotions in the end.
Obito's birthday is in about ten days, which means it's time for another test reward.
That's right, even during their internship, they have to return to school regularly to take exams; that's a rule set by Mutsuki.
This will be the last regular exam they can participate in; the next one will be the graduation exam, which only assesses the Three Basic Jutsu.
Apart from the fixed items like birthday gift rewards and exams, Mutsuki's improvement plan mainly revolves around the disciples' training plan, as their advancement directly correlates with his.
Obito's Breathing Technique has already made progress in the Beginner stage. Mutsuki plans to conduct new Breathing Technique training for him, aiming to advance towards the next stage, Constant Breathing Technique.
Constant Breathing involves maintaining Total Concentration Breathing for twenty-four hours a day, even while sleeping.
Of course, this Total Concentration Breathing isn't at its peak; it's a relatively concentrated state, somewhat weakened. Completing this step in training will cause a qualitative change in physical ability and significantly enhance the effectiveness of the Breathing Technique.
Apart from the new training for the Breathing Technique, Mutsuki is trying to find a way to activate Obito's Sharingan.
The benefits of activating the Sharingan are numerous: enhanced dynamic vision, amplification of Genjutsu, and an increase in Chakra.
This is why the Uchiha Clan has so many Jonin; as long as they activate the Sharingan and survive, normal development leads to becoming a Jonin.
Although Shisui was able to awaken his eyes on his last birthday, Mutsuki doesn't believe Obito will be able to do the same on his birthday.
Shisui's trust level was much lower than Obito's and Guy's last time, but he was the first to reach Stage Four. The emotional outburst that night was too intense, which led to the activation of the Sharingan.
Obito is probably the one among his disciples with the highest level of trust, so there isn't as much room for such an emotional outburst.
Mutsuki's current plan is to increase the difficulty for Obito and the others the next time they encounter enemies to stimulate them.
As for Guy, the focus is still on the Eight Inner Gates, aiming to reach the level of opening the third gate.
Shisui can participate in the Constant training for Flame Breathing alongside Obito, followed by strengthening the Sharingan and enhancing Haki.
As for Kakashi, first get him back to normal, then focus on majoring in Thunder Breathing and minoring in Armament Haki.
With the upcoming tasks organized, Mutsuki headed to the Southern Boundary Forest.
When Mutsuki arrived, he found everything here as usual, with all the disciples practicing.
Seeing the neatly arranged five disciples, Mutsuki was a bit surprised. Although Obito couldn't be called lazy, he also didn't have the same enthusiasm for training as Guy. When there was rest time, he usually rested.
"It seems like everyone is very enthusiastic today," Mutsuki smiled and praised.
Guy showed his big teeth and thumbs up in approval.
Kakashi silently continued to perform various Breathing Technique movements without giving any comments.
Obito forcibly pulled out a smile to show agreement.
Seeing the disciples' high enthusiasm for training, Mutsuki quickly began today's teaching.
Since Guy and Obito have not yet mastered Yin Release Nature Transformation, they have not started formal training in Armament Haki.
Currently, Obito's proficiency level in Yin Release Nature Transformation has reached around seventy points, success is within sight. Guy, on the other hand, still lags behind considerably, with a proficiency level of only over twenty points, and still needs a lot of effort and time.
Through relentless effort, Kakashi's proficiency level in Thunder Breathing has finally broken through ten points. Currently, he can use the basic Breath to enhance his physical abilities. Although the enhancement is average, it can be considered a breakthrough from nothing to something.
On Shisui's side, there have also been some results in Armament Haki. After twenty days of hard work, the proficiency level of Armament Haki has reached twelve points, gradually finding some sensation.
Rin has made further progress in Chakra control, advancing to the Enhanced Strength Beginner level, with her explosive power taking a leap. At the same time, her learning of Mystical Palm Jutsu has also entered the right track.
To further enhance Rin's strength, Mutsuki is attempting to develop a new Breathing Technique to teach her. He has mastered the three major Breathing Techniques, one of which has even reached the Perfect level, showing considerable proficiency in this aspect of Breathing Techniques.
Developing a Breathing Technique of approximately the same level, rather than creating a stronger one, is achievable. However, his knowledge of Medical Ninjutsu is insufficient, so developing Medical Breathing is definitely out of the question. But with Mutsuki's proficiency level of over seven thousand in Water Chakra Nature Transformation, he can develop a Water Breathing technique for Rin to use, as her innate attribute happens to be water.
With mastery of Water Breathing and Enhanced Strength, Rin should not be easily captured during wartime.
At the end of the training, Obito eagerly ran to Rin to share his experiences.
"Rin-chan, you wouldn't believe how intense our mission experiences were. Two C-Rank Missions, one escalated to A-Rank and the other to B-Rank. Every time, we encountered formidable ninja enemies," Obito said excitedly, bursting with anticipation.
Then, Obito vividly described the scenes of swiftly defeating strong opponents.
Rin graciously smiled and applauded, praising them.
"That was truly impressive. All three of you are so capable, it's like listening to our senseis in the academy recounting their mission experiences," she said.
"Hehe, it's also thanks to Yumi-sensei's skill. It seems like the other interns can only handle odd jobs around the village," Obito said, looking at Rin's smiling face with satisfaction, feeling that this trip was worth it.
Kakashi, who was about to leave after finishing, paused upon hearing Obito and Rin's conversation, only leaving after Obito finished speaking.
If Obito had been hiding something, Kakashi would have almost revealed the incident where Obito had been careless and nearly injured. However, this time, Obito mostly spoke the truth.
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