Uzui Tengen's Nichirin Blade is predominantly gold with some black accents and a red hilt. Rengoku Kyojuro's blade is more similar to his own, with red as the main color and a small amount of yellow accents, making it look like a burning flame.
The Nichirin Blade in Meikyō's hand was also predominantly red, but gold also made up a significant portion of it, and it was a rather unique cyan-gold color.
Why does my Nichirin Blade turn this color? Is it because I have mastered both Sound Breathing and Flame Breathing Technique?
Meikyō felt that it wasn't just because of this, but perhaps also related to his innate Chakra attribute.
Coincidentally, his Chakra nature is wind, lightning, and fire.
Leaving aside Flame Breathing, Sound Breathing is a derivative style of Thunder Breathing. However, when instructing Meikyō before, Uzui Tengen also mentioned that the founder of Sound Breathing believed that Thunder Breathing was not compatible enough with his own body when inventing this Breathing Technique. He also learned Wind Breathing and finally fused Wind Breathing with Thunder Breathing to create Sound Breathing, which was most suitable for him.
This also happens to match the Chakra nature of Meikyō himself, resulting in the Nichirin Blade in his hand displaying red, representing flames, and blue-gold, representing wind and lightning.
Regardless, Meikyō was very comfortable using both of these Breathing Techniques. Sound Breathing emphasizes agility and stamina, which are strengths of ninjas.
Flame Breathing emphasizes explosive power, excelling in both bursts of strength and speed. It is the breathing style closest to Sun Breathing Ancestral Breathing Technique.
"Thank you, Mr. Kanemori. I really like this knife; it feels great to wield."
Meikyō lightly swung her sword a few times, feeling that its weight and length were perfectly suited to her.
It's much better than the ordinary standard wakizashi I bought in Konoha two years ago for 100,000 ryo.
One hundred thousand taels could only buy Ninja Blade of average quality. Even with Meikyō's meticulous care, after two years and numerous battles, the sword inevitably developed some nicks. Although it was still usable, it was nearing the end of its lifespan.
"I'm glad you like it, Mr. Meikyō. As the one who forged this sword, I also hope that you can use it to slay more ghosts and save more people."
After personally handing over the Nichirin Blade he had forged to his swordsman, Tetsuana Kōzō had achieved his goal. He immediately stood up and picked up the bundle beside him.
"I imagine Mr. Meikyō will soon be on a mission after receiving the sword. I wish Meikyō all the best in his martial endeavors!"
Tetsuana Kōzō to the Meikyō, then leaves with his luggage.
Next, Yin, who was waiting outside, would escort him back to the Swordsmith Village.
As Tetsuana Kōzō said, not long after receiving the Nichirin Blade, a Kasugai Crow came to summon Meikyō, who had just become familiar with the feel of the new sword, to carry out a mission.
"That suits me perfectly. Without going out and exploring, I really can't make my next plans."
On the path Butterfly Mansion, Meikyō followed the Kasugai Crow in the sky.
Finding an opportunity to avoid the Kasugai Crow's gaze, Meikyō quietly created another Shadow Clone.
"Go to Mount Sagiri and see if Tanjiro has arrived there. If not, then go and find out where the Kamado family is."
Meikyō gave an order to one of his Shadow Clone.
The Shadow Clone nodded silently, then used a common sleight of hand technique taught at the Ninja Academy to evade the Kasugai Crow's gaze, and used the Body Flicker Technique to fly away into the distance.
Although he had already mastered the Flame Breathing and the Sound Breathing, Meikyō was not satisfied.
Just like in the Ninja World, different Sage Mode have different focuses. For example, the Senjutsu of Ryūchi Cave focus more on Ninjutsu, while the Senjutsu of Mount Myōboku focus more on the body. Similarly, different Breathing styles also have their own focuses. Flame Breathing is strong in explosive power, Sound Breathing is strong in agility and stamina.
Sun Breathing, as the Ancestral Breathing Technique, is the most comprehensive Breathing Technique.
Although those who knew the Sun Breathing were almost wiped out by the Kokushibo three hundred years ago, the Kamado family, who have been burning charcoal for generations, still passed down this Breathing Technique as a dance.
In the original work, it seems that the Kamado family was killed by Muzan, the Demon King, in the same year that Kyōjurō became a Pillar. Only the eldest son Tanjiro, who was Muzan Kibutsuji to return home in time because he was selling charcoal, and his sister Nezuko, who became a demon, were left behind.
However, it was already a cold winter then, while it is still late summer now, so there is still some time.
If it snows heavily one day, even if Meikyō finds out the news, she will never go there again, but will obediently wait for Tanjiro to be found by Tomioka Giyuu.
With his genuine Jonin -level strength, he is definitely a high-level combatant in this world, but if it were Demon King Muzan Kibutsuji or Upper Rank One, Kokushibo, he wouldn't be very confident right now.
"For now, let's focus on completing the mission. In any case, the Demon Slayer Corps has already taught me the Breathing Technique, so let's do our best to help them and get rid of these man-eating demons."
Meikyō glanced at the Kasugai Crow leading the way ahead and thought to himself.
He liked everyone in the Demon Slayer Corps.
The Ninja World is his current foundation, but if you put these Pillars, who would rather die than lose their lives, into the Ninja World, every single one of them would be like a saint.
Meikyō admitted that he couldn't do these things, but that didn't stop him from admiring these people, even though most of them were not as strong as he was.
"Hey! Matsuchiro, could you come down for a second?"
Matsuchiro is the name of Meikyō's Kasugai Crow.
According to the keeper who gave him the Kasugai Crow, all the crows in Matsuchiro's family loved to eat pine nuts, so they were named Matsuchiro, Matsuchiro II, and so on...
"Uchiha Meikyō, Uchiha Meikyō, southeast, southeast, Mountain Village Haunted House, Mountain Village Haunted House..."
Matsuchiro flew up from the sky, circling and shouting, and landed on Meikyō's shoulder. He pecked at the pine nuts in Meikyō's palm, eating one and shouting.
"I know it's Mountain Village Haunted House to the southeast, but Matsuchiro, you're flying too slowly."
Matsuchiro tilted his head, staring blankly at Uchiha Meikyō with his small eyes.
"So, you should fly as fast as you can."
Meikyō is different from most swordsmen.
Aside from swordsmen who can maintain Constant Breathing Technique Breathing Technique apply it to every action to gain immense strength and stamina, other swordsmen wouldn't waste a lot of energy using Breathing Technique while traveling.
They still need to conserve their energy to fight the demons.
However, this is not a problem for ninjas in the Ninja World.