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"I'll take care of this man~"
Tanjiro and Tamayo's group looked up to see a one-armed man standing on a large tree. His shoulder-length hair was tied back, and his eyes glowed with an eerie red light.
In Uchiha Nagi's hand was a head, that of the girl Kagome. Her eyes were wide open, and a brilliant smile still graced her face even in death... What made Tanjiro uneasy was the extremely evil scent emanating from the man, cold as winter, yet he was not a demon.
"You, you're human??" Tanjiro asked, bewildered.
"That's Mr. Uchiha, Lady Tamayo's patient from two days ago," Yushiro said from the house behind.
Human?
Uchiha Nagi jumped down from the big tree. After gently placing Kagome down, he wiped the blood from her face.
This girl he had only known for a few days... Then, expressionless, he stood up and slowly walked towards the male demon, Ya Habaki.
"You shouldn't have hurt her. She was innocent~"
As Uchiha Nagi spoke, his cold eyes were as icy as winter, yet deep within them, a monstrous rage simmered.
Looking at the red-eyed man before him, the male demon Ya Habaki, instead of fear, showed delight: "Rare blood, and the finest rare blood at that. Haha, you're mine."
"Hey, hey, Ya Habaki, don't even think about keeping him all to yourself. Half for each of us," the female demon Zhu Sha Wan immediately said from the side.
"Got it, got it~" Before Ya Habaki could finish speaking, Uchiha Nagi in front of him had already begun to attack.
"Fire Release: Great Fireball Technique."
Seven or eight fireballs, each two meters wide, flew towards the male demon Ya Habaki, who was greatly astonished. Wasn't the Demon Slayer Corps only about Breathing Technique and sword skills? When did they acquire techniques similar to their Blood Demon Art?
Ya Habaki nimbly dodged several fireballs and used his Blood Demon Art to disperse a few others. However, when he jumped onto a tree, he found several shuriken already flying towards him.
Looking at the shuriken that couldn't hit him, he said with disdain, "Hmph, can't even hit a person, and..."
However, before he could finish, in the next second, the shuriken entangled him and the big tree together.
"This is, black steel wire?" Ya Habaki was shocked.
Using the cover of night, the shuriken exploited his blind spots, colliding with each other to firmly bind him. But if it was just this... "Fire Release: Dragon Fire Technique." A long stream of flames, following the steel wires of the shuriken, rapidly spread, directly hitting the demon Ya Habaki before he could break free.
The massive flames illuminated the night sky, and their high temperature could even melt steel.
Was he killed just like that? Tanjiro stared blankly. No, he suddenly realized and shouted to Uchiha Nagi.
"Be careful, he's not dead yet! Demons can't be killed unless their neck is severed by a nichirin blade. Be careful."
Immediately, a figure rushed out of the flames, waving his hands towards Uchiha Nagi. An invisible psychic force attacked Uchiha Nagi.
"Damn it." Tanjiro swung his nichirin blade, wanting to rush over and cut down the invisible red arrow, but the female demon Zhu Sha Wan blocked him.
"Haha, you'd better worry about yourself first, little boy." The female demon Zhu Sha Wan then threw several powerful balls at Tanjiro.
"Damn it, be careful!" Tanjiro had no choice but to interrupt his rescue and directly fight the female demon Zhu Sha Wan.
Unexpectedly, that invisible red psychic energy was easily dodged by Uchiha Nagi just as it was about to hit him.
"What? He can see it?"
"How is that possible? How can a human see it and dodge it?" The male demon Ya Habaki raged, disbelieving.
However, in Uchiha Nagi's eyes, that psychic-like ability of the opponent appeared clearly within his Sharingan. Although it wasn't Chakra, it was constructed from energy, and he saw it all too clearly.
Not only that, due to Kagome's death, cold and evil Chakra began to mutate and surge into his right eye. Uchiha Nagi also understood the abilities within his right Mangekyo.
"Shadow Clone Technique~" Uchiha Nagi formed a hand sign with one hand, and five identical clones appeared, then rushed towards the male demon Ya Habaki.
"What is this? Blood Demon Art? How are there five people?" The male demon Ya Habaki was bewildered again. There was one Upper Rank who could use clones, but he had never heard of a human who couldn't use Blood Demon Art also being able to do so.
The male demon Ya Habaki quickly waved his hands, grabbing two of the clones, swiftly carrying them into the sky, then smashing them down hard.
Splat~
The two clones turned into two puffs of smoke. The male demon Ya Habaki then looked at the remaining three, who were already rapidly approaching him. However, he wasn't flustered; a person without a nichirin blade couldn't kill a demon.
"Hahaha, without a nichirin blade, you think you can burn me to death? Demons can't be burned to death; only you fragile humans can be burned to death."
Uchiha Nagi, expressionless, raised one hand to his head and said, "You're too confident. Solar Flare."
An extremely dazzling light appeared in the night, like daylight, blinding even Tanjiro and the female demon Zhu Sha Wan, who were fighting nearby, temporarily stopping their battle.
"And who said flames can't burn you to death? Amaterasu~"
Uchiha Nagi opened his right eye, blood flowing from the corner, and a black flame directly hit the male demon Ya Habaki.
"Ah, my eyes! It's fire again! I told you, fire can't burn me to death, wait, what kind of fire is this~"
"Ah ah~ What's going on?"
The male demon Ya Habaki's recovery ability was clearly superior to a human's. What would take humans ten seconds to recover their vision, he recovered in three or four seconds. But after recovering his sight, the male demon Ya Habaki discovered that his entire body was covered in black flames. What was even more terrifying was that these flames couldn't be extinguished; no matter how he tried to put them out, they kept burning.
Uchiha Nagi watched expressionlessly, "I'm very curious if your regeneration ability truly has no energy limit. Enjoy it."
"Damn it~ Ah ah ah..." The male demon Ya Habaki spread his hands, but the intense burning of the black flames, and a strange energy within, interfered with his Blood Demon Art.
Skin, flesh, and bones were incinerated to ash by the black flames every moment, but the demon's physique allowed him to regenerate rapidly. This pain was like being cut into a thousand pieces, making him wish for death.
Becoming a demon and being immortal doesn't mean not feeling pain... "Amaterasu will not extinguish until its target is reduced to ash, unless its master extinguishes it."
"It's your turn." Uchiha Nagi's appearance was terrifying, with his three tomoe merged into a plum blossom-shaped Mangekyo, and blood still flowing from his right eye.
"Damn it~ To be able to defeat a demon without a nichirin blade, are you even human?" The female demon Zhu Sha Wan was startled by him, even forgetting to attack Tanjiro.
Amaterasu, Itachi's Jutsu, was now being used by Uchiha Nagi.
That was because Uchiha Nagi's right Mangekyo ability was replication. At that time, due to his extreme desire for power, the ability to replicate was born.
More precisely, the ability was [to see through and analyze the laws of how things operate].
Any Ninjutsu, as long as he saw it once, he could analyze and see through it. As for whether he could replicate it, it depended on a combination of factors.
For example, Kimimaro's Shikotsumyaku and the First Hokage's Wood Release were Jutsu that required a Bloodline Limit. He could replicate them but couldn't use them unless he also possessed the same genes.
Also, this demon in front of him, his Blood Demon Art, that invisible psychic energy, Uchiha Nagi also saw through and replicated. But he didn't have demon genes, so he couldn't use it, unless he could modify it into a Jutsu that didn't require demon genes to use.
However, this was enough—
In the Naruto World, how many powerful Jutsu were there? Rasengan, Chidori, Flying Thunder God, Edo Tensei.
There were also the Raikage's Lightning Release Armor and the Tsuchikage's Dust Release.
And here, there were various elemental Breathing Techniques passed down through generations for hundreds of years—