The gates of Amazon Castle groaned and cracked as four colossal figures emerged, each radiating a terrifying aura that twisted the air around them. These were the Upper Demons, the Scarlet Demon's most powerful generals, each a living weapon forged from death and darkness. Their eyes burned crimson, and the ground beneath them blackened with every step.
Javier Kato's aura flared violently, golden threads intertwining with crimson energy, forming a protective shield around him. His breath came fast but steady; his grip on his father's sword was unshakable. He had faced thousands of lesser demons, but these beings were different. They were no mere army — they were living embodiments of destruction, each capable of tearing through mountains if unchecked.
> "So… you are the one they call the first Wielder," one of the Upper Demons sneered, voice deep and resonant. "You are but a spark. We are the storm."
Javier's eyes narrowed. He did not speak; he only exhaled slowly, feeling the flow of aura through his veins. The golden threads of divine energy and the crimson strands of his awakening coiled around his body like living armor. His aura pulsed, resonating with determination, grief, and the fierce desire to protect humanity.
Without warning, the Upper Demons attacked simultaneously. One lunged from the front, claws tearing through the earth; another struck from above, wings flaring and wind tearing the treetops. The third emerged from the shadows of the ruined walls, a whirlwind of dark energy, while the fourth hurled a barrage of jagged spikes like falling stars.
Javier's aura flared explosively. He dodged, spinning in mid-air, the golden-crimson threads forming a shield that absorbed the impact of jagged spikes. With a swift motion, he slashed his sword, the blade slicing through the shadow of the first demon, energy crackling along its edge. Bloodless but tangible, the strike staggered the creature, yet it recovered instantly.
The fight became a brutal dance. Javier's movements were precise, instinctively weaving between strikes, dodges, and parries. Each demon attacked differently — one struck with raw strength, another manipulated shadows, the third wielded fire that scorched the ground, and the fourth controlled twisting blades of aura. Javier had to anticipate, react, and counter simultaneously.
> "Power alone is not enough!" he thought, letting the aura respond to his will. "Control… precision… understanding!"
He focused, channeling his energy into concentrated arcs of Heaven-Slaying Arc, sending shockwaves outward that severed limbs, shattered spines, and tore through demonic flesh. One Upper Demon recoiled, claw severed at the elbow; another was thrown back, eyes wide with disbelief as his chest was scorched by a crimson-gold wave of energy.
But the Upper Demons were relentless. One managed a strike that tore through Javier's arm guard, sending pain shooting up his shoulder. Another clawed at his stomach, leaving a shallow cut that burned with unnatural energy. His eyes watered, blood mixing with sweat, but his aura flared higher, healing minor wounds and bolstering his strength.
> "I cannot falter… not now… not ever!" Javier roared, voice carrying across the battlefield.
In a surge of calculated fury, Javier spun, unleashing multiple Heaven-Slaying Arcs in succession, each strike sharper, faster, and deadlier than the last. Limbs, eyes, and twisted appendages of the Upper Demons were shredded, their forms forced into retreating stances. Yet, for every strike he landed, they adapted, their aura pushing against his own, testing the limits of his control and endurance.
Pain lanced through Javier's body as one demon struck his leg, sending him tumbling. But even as he fell, his aura flared upward like a rising sun, golden and crimson threads forming jagged spears of energy that impaled the advancing demon. The battlefield trembled, walls cracking, debris scattering, and the jungle around Amazon Castle quivering from the sheer force of their clash.
> "I am not just a spark!" Javier shouted, aura blazing like a storm. "I am the first Wielder… and I will stop you!"
The fight escalated further, brutal and unforgiving. Limbs were torn, eyes blinded by sudden bursts of aura, and bodies hurled through the air. Javier's control over his aura had grown exponentially, but the Upper Demons' synchronized attacks pushed him to the edge. Blood streamed from cuts, sweat dripped into his eyes, and yet his golden-crimson aura flared higher with every moment.
He leapt into the air, concentrating all his aura into a single Heaven-Slaying Arc, faster and more precise than ever. The energy sliced through two Upper Demons in succession, severing limbs and sending them crashing into the ground with bone-shattering force. The third demon roared, shield raised, but Javier's aura struck around the barrier, tearing through it like fire consuming paper.
The fourth Upper Demon attempted a final ambush, striking from above. Javier met it head-on, sword clashing against its claw, sparks and aura flaring like lightning. Pain and exhaustion threatened to overwhelm him, but he pushed through, letting his aura respond to instinct, emotion, and divine guidance. With a swift pivot, he drove the blade downward, splitting the demon's chest in a blinding explosion of golden and crimson energy.
For a heartbeat, silence reigned. The Upper Demons were retreating, injured, bloodied, but alive. Javier fell to one knee, chest heaving, aura dimming slightly as exhaustion threatened to overcome him. Yet even in the pain, a grin of grim satisfaction crossed his face.
> "I… I did it," he whispered, voice hoarse. "Four… Upper Demons… defeated. I can face anything…"
From the shadows, a subtle, sinister laugh echoed. The ground trembled, the sky darkened further, and a presence unlike any other began to stir. Javier's aura flared instinctively, sensing the power that dwarfed even the Upper Demons.
> "So… this is only the beginning," he murmured, voice steady despite exhaustion. "They're not finished yet… and neither am I."
Above the castle, the faint outline of a towering, incomprehensible figure shimmered in darkness. The Lord Ghost Demon had awakened, drawn by the clash of wills, the explosion of aura, and the resistance of humanity's first Wielder. The true battle was approaching.
Javier rose to his feet, aura blazing brighter, sword glowing with golden-crimson energy. His body ached, limbs burned, and yet his spirit soared. He had faced four Upper Demons at once and survived — and he had learned, adapted, and mastered the flow of his aura far beyond what he had imagined possible.
> "Bring it on," he whispered, eyes narrowing. "I am ready for you… Ghost Demon. Whatever comes, I will not falter."
The Siege of Amazon Castle was far from over. The Upper Demons had been a test — a warning of the true storm that approached. And Javier Kato, first of the Aura Wielders, stood at the eye of that storm, ready to meet darkness itself.
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