Ryuya swung his demon blade again.
Two Breathing Techniques overlapped in a seamless arc.
Crimson crescents interlocked in front of him, then descended from above in chaotic yet precise formation.
This time, Yoriichi Type Zero could not respond.
Its head was severed cleanly.
Arms splintered.
The torso split apart under a storm of moon fragments.
The mechanical doll crashed heavily to the ground.
"S-so strong…"
Kotetsu stared in shock.
A demon.
Using Moon Breathing.
His entire understanding of the world trembled.
Ryuya stepped forward calmly and knelt beside the shattered doll.
He ignored the exposed gears, springs, and wooden joints.
His hand reached deep into the hollow neck.
Kanae leaned closer. "Is it there?"
Ryuya smiled faintly.
Slowly, he withdrew a Nichirin Blade.
The blade was dark red.
Once, it must have burned like the sun itself.
Now, its brilliance had faded. Rust marked its surface. Time had dulled its edge.
Tsugikuni Yoriichi's blade.
Unusable in its current state.
It would require masterful reforging.
That was why Kotetsu had been taken.
Not to sharpen it himself—he lacked the skill.
The true goal was the village chief, Tecchin Haganezuka, the most skilled swordsmith in the Swordsmith Village.
To protect his people, he would have no choice.
Ryuya lifted the blade, studying it thoughtfully.
Then his gaze shifted toward the rustling bushes nearby.
"My Lord, I have arrived."
A refined young man in flowing white robes stepped out, holding an ink-dipped brush.
Qingshu.
"You're right on time," Ryuya said. "Mark Kotetsu and Kanae."
Qingshu's ink markings were essential for activating the Landscape Scroll.
He had previously shadowed Kaigaku and helped drive Iguro Obanai from the Demon Slayer Corps.
As Kaigaku's silent guardian, he had followed him here.
"Yes, My Lord."
He swiftly marked Kanae and Kotetsu with ink seals.
Kanae observed him carefully.
Loyal only to Ryuya.
She nodded silently.
"Stay with Kotetsu," Ryuya instructed. "Once we find the village chief, teleport us into the scroll."
In the distance—
The Swordsmith Village burned.
Blood flowed between bamboo houses.
The moon above seemed tinged red by the slaughter.
—
Kyogai laughed wildly.
"Die! Die!"
He beat the drums embedded in his body.
The room twisted violently—floor becoming wall, ceiling becoming ground.
Swordsmiths tumbled helplessly, unable to find their bearings.
Then he struck the drum on his chest.
Three claw-shaped shockwaves tore through the air.
Wood shattered.
Bodies were sliced apart.
Blood sprayed across the walls.
Kyogai's grin widened.
His Blood Demon Art allowed him to manipulate the structure of any house he occupied.
Limited, yes—but devastating within its domain.
"Sound Breathing, First Form: Roar!"
A thunderous shout shattered the chaos.
Uzui Tengen burst through the wall, twin Nichirin Cleavers flashing.
Kyogai's pupils shrank.
Tengen hurled three small black pellets.
They detonated midair.
Gunpowder bombs.
The explosions roared violently, engulfing Kyogai in smoke and flame.
Through the dust, Tengen advanced.
His blades crossed.
Another explosion detonated at point-blank range.
Kyogai's limbs were blown apart.
His chest burst open from the concussive force.
The demon was hurled backward, smashing through the wall.
Tengen's expression hardened as he took in the slaughtered swordsmiths.
His jaw clenched.
He accelerated.
His blades moved faster and faster, each strike accompanied by sonic booms that tore through the air.
He would not leave even bone fragments behind.
—
Elsewhere in the village—
Rui's spider silk sliced through rooftops like threads through paper.
Kiyo rampaged through fleeing villagers.
Rokuo's thorns coiled and pierced anything in their path.
Enmu stood at a distance, smiling faintly as screams filled the night.
The Lower Moons were fully unleashed.
And from different directions—
Stone Hashira Himejima Gyomei.
Wind Hashira Shinazugawa Sanemi.
Water Hashira Tomioka Giyu.
Sound Hashira Uzui Tengen.
They had arrived.
The true battle for the Swordsmith Village had begun.
...
Author's Note:
The full completed version of Demon Slayer: Son of Muzan (Completed) is now on Patreon!
🔥 I also have additional 18+ fanfics available for readers who enjoy exclusive mature stories. 😉
1. Dragon Ball: Oolong's Sex Adventure
2. Elements of Lust – ATLA & Korra Mixed Smut
3. Doraemon: Filtering with Nobi Tamako
4. The Naive Me Who Became Someone's Everyday Secret
5. High School DxD: Rias Gremory, the Phenex Bride
6. Versatile Mage: Awakening the Succubus System
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