The rain over the Demon Empire's central wasteland did not fall; it executed. It was a relentless, vertical assault that tasted of sulfur and iron, washing the dark ichor of battle from the jagged obsidian earth.
Thunder rolled with a subterranean frequency, shaking the very foundations of the world as lightning split the bruised sky into a thousand white fractures.
Aethelred Vi Regis staggered through the downpour, his breathing a series of ragged, wet rattles.
His body was a map of agony—bruised, bleeding, and failing. A deep gash across his shoulder pulsed with a dull heat, the fabric of his clothes fused to the wound by dried blood and mud.
He was a man who had lost everything: his followers, his family, and the fragile hope of his rebellion.
He was the lone survivor of a dream that had been crushed by the boots of fanatics and tyrants alike.
"I am not dying here..." he muttered, his crimson eyes scanning the fog-choked horizon.
"Not yet. The world hasn't seen the end of the Regis bloodline."
Through the thick, unnatural mist, he saw it—a massive, decaying silhouette looming over the black forest.
It was a ruined castle, its stone walls cracked like old bone and its iron gates rusted into skeletal claws.
Spiderwebs as thick as rope clung to the forgotten towers, yet the ruin held an aura that made Aethelred's demon blood hum with a terror he had never known. It was a pressurized silence, a weight on the spirit that suggested the presence of a predator that transcended the laws of the mortal plane.
He pushed open the heavy iron gates, the sound of grinding metal echoing like a scream through the silent hall. Dust and shadows swallowed him whole as he stepped inside.
At the far end of the grand hall, standing before a throne of jagged stone, was a figure that defied the gloom.
Shujin stood with his arms crossed over a metallic silver V-shaped plate anchored to his chest—a focus for the Abyssal mana that churned within him.
His silver hair, the mask of the "average" student Kuro, was gone, replaced by a light-swallowing jet-black through the use of a dark dye stone.
The most terrifying element was the Mask of Shadows. It was a dark-violet porcelain visage, featureless save for the intricate, vein-like engravings that pulsed with a rhythmic violet light.
Through the narrow slits, his eyes burned like dying stars, projecting an intense psychological pressure.
He wore a high-collared black overcoat that flared in the wind, its royal purple lining shimmering like a spill of blood against the obsidian robes that drifted like liquid shadows around his legs.
On his wrists, heavy purple and gold bands—the mana regulators—struggled to hold back the 100% core that could shatter the castle beneath him.
"…You…" Aethelred whispered, his voice trembling.
The soft, whispering voices of the forest seemed to echo in his mind: The one who slew the Eastern Demon Lord… The Master of Dark Magic.
Shujin's cold gaze fell upon the broken rebel. When he spoke, his voice was no longer that of a boy, but a resonant, chilling bass that seemed to vibrate the very stones of the hall.
"So the demon rebel crawls into my castle," he said, his tone clinical and detached.
"Aethelred Vi Regis… the man who speaks of peace between humans and demons in a world built on the propaganda of the First Hero."
Aethelred clenched his teeth, his hand tightening on the hilt of his broken blade.
"Lord of Darkness… Shujin. What do you want from a man who has nothing left?"
The shadows slithered closer behind Shujin, coiling like serpents in the violet light.
"A simple pact," he replied, a razor-sharp smile playing on his lips.
"The same kind I have offered to those who seek to flip the chessboard. I can grant you the power to crush the extremists—power sufficient to dismantle the False Peace and change the verdict of this world. I can give you the influence to lead both the human kingdoms and the Demon Empire."
Aethelred's eyes narrowed. He knew the laws of Dark Psychology; power of that magnitude was never a gift.
"…And the price?"
"Your body. Your soul. Your emotions," Shujin stated, his voice devoid of empathy.
"You will become my vessel, an extension of my will. When my objective—True Justice—is fulfilled, everything will be returned to you untouched. You will be a king of a new world, or you will be a memory in the Abyss."
Aethelred looked at his trembling, blood-stained hands. He had no army. His comrades had died to give him this one last chance.
"How can I trust you?"
"As tradition dictates," Shujin replied, his violet eyes glowing with a terrifying certainty.
"Let us swear upon the name of the World Goddess, Elmyria. You know as well as I do—an oath sworn in her name is a tether that even a god cannot break."
Silence filled the shattered hall, broken only by the distant roll of thunder. At last, Aethelred nodded.
"…It seems I have no choice. I accept. Keep your word, Master of Shadows."
The moment the oath was sworn, the air trembled with a sacred, suffocating weight.
Shadows erupted from Shujin's core, coiling around Aethelred like an obsidian cocoon. Shujin's presence merged with the rebel's very being, sending violent tremors through his frame as the Shadow Core integrated with his demonic blood.
To the outside world, Aethelred Vi Regis would appear to have returned from the dead, a leader reborn with a terrifying new resolve.
No one would know that the Darkness Lord now dwelled within him, pulling the strings of a rebellion that would soon span the continent.
---
That same night, the capital city of Valerion slept beneath the deceptive silver of the moonlight.
At the city's edge, in a modest house rebuilt by the hands of Kuro and Rei, the atmosphere was far from peaceful.
Rei Nocturne stood in the center of their sanctuary, her usual gentle expression replaced by a mask of cold focus.
She was draped in black robes that mirrored Shujin's, her silver hair shimmering like mercury under a matching porcelain mask. The 10% Shadow Core within her thrummed with a manic energy, coiling around her limbs like living armor.
Shujin's final order echoed in her mind: "Protect Valerion. Do not let the rot consume it before I return."
Her steps halted in a dark alleyway near the Royal Academy. A bright, determined presence was approaching—a mana signature that radiated with the heat of a burning sun.
"…So, the Second Hero," Rei whispered, her voice distorted by the mask.
From the opposite end of the alley, Ryuto Yuzen emerged. His ocean-blue eyes were blazing with a holy light, and his hand was white-knuckled around the hilt of the Flame of Judgment.
"I don't know who you are beneath that mask," he said, his voice hard with resolve, "but I recognize that aura. You follow the Darkness Lord."
Rei said nothing. She adjusted the dark robes of her Shadow Follower persona, her violet eyes tracking the movement of Ryuto's divine blade.
Ryuto narrowed his eyes, sensing the slight frame beneath the robes.
"…You're a girl, aren't you?"
Silence was his only answer.
"I don't care," Ryuto shouted, raising his sword as golden sparks began to dance along the blade.
"If you serve Shujin, I won't let you escape! This world has suffered enough from your shadows!"
Rei finally broke the silence, her voice a low, melodic chill.
"Then let us see, Hero of Light... let us see if your justice is strong enough to survive the truth of the dark."
Their blades collided with a deafening crack of magical energy. Sparks of gold and violet flew through the night air, clashing in secret beneath the moonlit streets of a kingdom that believed it was at peace.
---
✦ To be continued...