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However, the Ninja of the Ninja World clearly did not adhere to martial ethics; there was the Shadow Imitation Technique of Shikamaru's clan, which would immobilize anyone whose shadow it latched onto, and the Mind Transfer Jutsu of the Yamanaka clan.
There were also the poisonous insects of the Aburame Clan, and all sorts of strange things.
But considering that their enemies in this world were a special kind of creature, he naturally felt relieved.
The strange killing moves of the Ninja World were all aimed at humans, and were useless against the demons of this world, so it was not surprising that there was nothing here but Breathing Technique.
Of course, it wasn't absolute; there were still Ninja in this world, for example, the Sound Hashira came from a Ninja family, just without Chakra.
"Gentlemen, breakfast is ready in the living room ~" The old woman appeared in the courtyard, smiling.
"Mm, alright, thank you, Granny. Let's stop here for the morning then." Uchiha Nagi wiped his sweat; it wasn't from fighting them, but from the heat of practicing Breathing Technique himself.
At the same time, the three little ones also wiped their sweat. They had never seen such a peculiar fighting style.
One slash would turn into a substitute log, or simply disappear, and then there was the Clone Jutsu. Clone Jutsu were intangible shadows that dispersed upon contact, while Shadow Clone were tangible clones. The real and fake ones mixed in made it difficult for them to figure out what was happening.
However, very quickly, Clone Jutsu became useless against them, because these three individuals had their own special talents.
Tanjiro possessed a sense of smell that could detect emotions and scents; he could instantly distinguish between intangible clones and tangible clones.
Zenitsu had super hearing, and Inosuke had a beast-like intuitive sense. The talents of these three people were truly strong.
— — — —
"Mmm, mmm, mmm, delicious, delicious ~" Xiao Zhuzhu Inosuke didn't snatch the food from the other two this time, because the granny in charge of logistics had specially prepared an extra portion, enough for him to eat.
"Mmm, by the way, Inosuke, how did you join the Demon Slayer Corps ~" Tanjiro asked curiously.
"Oh, I used to live alone in the mountains. One day I met a few people, defeated them, and took their nichirin blades. Then they said they were from the Demon Slayer Corps, mmm~~" Inosuke patted his chest and drank a cup of water.
"Ah... I'm full. Afterwards, I learned about the Demon Slayer Corps selection from them, so I ran to the mountain to participate in the battle. That's how I became an official member, and then I met you guys later..."
Tanjiro: "..."
Zenitsu said pitifully, "Those people whose nichirin blades you stole are truly unfortunate ~"
It turned out that Xiao Zhuzhu Inosuke became a member of the Demon Slayer Corps by accident. Tanjiro asked him where he learned his Breathing Technique, and he said that he had lived in the mountains since he was a child and was raised by wild boars.
Later, when he was little, he once snuck into an old man's house in the mountains to steal food and got caught.
"Mmm ~ Later... that old man, he raised me for several years, then he died. He also made me call him Grandpa, taught me how to speak, and I created my Breathing Technique by imitating him."
"Oh, right ~" Inosuke asked with a curious expression, "What is a grandpa? Can you eat it?"
"Squeak —" Zenitsu looked stunned. Creating his own Breathing Technique? This was truly a genius among geniuses.
"Inosuke is amazing, he actually created his own Breathing Technique ~" Tanjiro exclaimed.
Uchiha Nagi was pensive. It seemed that Breathing Technique was just a general framework, similar to the earliest Chakra progenitor, the old man of Six Paths. As for how others used Chakra after it was dispersed and passed down, there were all sorts of strange ways.
Breathing Technique was the same. The most primitive was Sun Breathing, and after that, it continuously evolved, simplified, and eventually formed various different Breathing Technique styles. This meant that he could also absorb the essence from it and then deduce the Breathing Technique most suitable for himself. As for Sun Breathing —
Uchiha Nagi looked at Tanjiro. Sometimes the strongest Breathing Technique might not necessarily be suitable for oneself, because everyone's physique was different.
After eating and drinking their fill, Xiao Zhuzhu Inosuke proposed to challenge Uchiha Nagi's genjutsu once again.
"Alright, come on then ~" Uchiha Nagi smiled and opened his Three-Tomoe Sharingan.
"Owow, Pig Assault —" Inosuke roared and charged at Uchiha Nagi, then, accidentally, he saw those red eyes again.
Then, Tanjiro and Zenitsu saw a familiar scene: Inosuke yelling loudly at the air, gesticulating wildly, and then falling asleep again.
"I hadn't even said I wanted to bet on how long he could last, and he already lost..." Zenitsu said with a regretful expression.
However, Tanjiro's expression was serious. He observed carefully and then said, "No, Inosuke hasn't lost yet ~"
Hmm?
Hearing this, Uchiha Nagi stopped, turned to look at Xiao Zhuzhu Inosuke, and saw him sleeping with his eyes squinted. Then he suddenly locked onto Uchiha Nagi, picked up his two nichirin blades, and charged over.
This works too? Uchiha Nagi looked at him in surprise. Although his brain was asleep, his body was still fighting purely by instinct. What kind of demon was this?
The sleeping Inosuke's swordsmanship was still incredibly sharp, and he could subconsciously use his Breathing Technique, Beast Breathing.
What astonishing talent! Uchiha Nagi was shocked by this child, but even asleep, he wasn't as agile as when he was awake. In the end, Uchiha Nagi ended the battle completely with a Water Prison Jutsu. "Mmm ~ Mmm mmm... Gulp... Gulp..." When Inosuke woke up, he found himself trapped in a ball of water, only able to gurgle for help. He couldn't use his Breathing Technique in the water and couldn't get out.
Uchiha Nagi released the Water Prison Jutsu and let him out.
"This is a weakness you need to overcome. You rely too much on Breathing Technique. You haven't considered how you would fight if you were trapped in a place with no air one day." Uchiha Nagi said seriously to the three little ones.
"Although there are relatively few Blood Demon Art users with water abilities, once you encounter one, you'll be in trouble."
"Breathing Technique without air?!" Tanjiro scratched his head, unable to figure out how to solve this problem.
The remaining Zenitsu and Inosuke also had question marks on their faces.
"It's okay, you just need to remember one sentence ~"
"That is — every jutsu has a weakness."
These were Itachi's words, but also the most truthful reality; there was no perfect jutsu in the world. If there were, it would be a god.
Just then, Tanjiro's crow brought news again, circling in the sky and cawing loudly.
"North-northeast, Mt. Natagumo"
"North-northeast, Mt. Natagumo"
"Ah, another mission. This time it's Mt. Natagumo. I don't know why, but I have a bad feeling." Zenitsu said fearfully, clutching Tanjiro's arm.
Tanjiro: "..."