The Obsidian Chamber was a space of absolute silence, buried deep within the subterranean foundations of the Legacy Mansion. For ten subjective years, Fang Lin had lived within this chamber, training his parallel meridians and consolidating his foundation to the peak of the Spirit Foundation Realm. Now, as the heavy stone doors sealed him in darkness once more, the air felt thicker, charged with a heavy spiritual pressure that hummed with a low, grounding frequency. The spatial arrays of the chamber had been deactivated, returning the gravity to its normal state and disabling the time dilation. The Mansion Spirit had warned him that the delicate crystallization of three cores required absolute spatial stability, free from any artificial gravity or temporal distortions. Under this quiet, normal weight, the atmosphere was cold and still, allowing him to focus his full concentration on his internal network.
Fang Lin sat in the center of the cold stone floor, his simple black robes draped around his tall, broad-shouldered frame. He took a deep, slow breath, aligning his spine and locking his bones into place. Inside his chest, his Three-River Meridian Network was perfectly consolidated. The three parallel channels—the Frost River, the Life River, and the Nether River—flowed side by side, completely separated from one another. The icy-white Frost River carried the bone-chilling frost Qi of the Frozen Heaven Sutra. The green-gold Life River flowed with the vibrant vitality of his Life Cultivation Path. The violet-black Nether River surged with the dark, light-devouring energy of the Nine Abyss Shadow Scripture. For years, he had kept these three forces in absolute separation to prevent them from colliding and tearing his body apart.
He remembered the Mylan village where Uncle Wei had given him the mysterious grey seed, a treasure that had anchored his soul and spirit through every crisis.
He remembered the days of his cultivation journey in Lotus Lake County, when his meridians were crippled and useless, a broken net that could hold no Qi. He remembered the heat of the smithy, the heavy strike of the hammer against iron, and the quiet courtyard where Uncle Zhang had watched him with patient, warning eyes.
He had promised himself that he would survive the storm, protect the mortals who had given him shelter, and carve out a path of absolute strength in this dangerous world. The path of a tri-core breakthrough was virtually unheard of in the Demon Immortal Continent, a road that most experts believed was impossible. It was a path of extreme danger, but it was also the only way to hold the three opposing forces of frost, life, and death together. It was unheard of not only in the Demon Immortal Continent, but perhaps even in the higher worlds.
Fang Lin closed his eyes, his mind entering a state of absolute stillness as he pushed all other thoughts to the back of his mind. He focused his attention on his dantian, where the three rivers converged. The Three-Spirit Core-Balancing Pill, which he had swallowed moments before, had already dissolved, turning into a stream of dense, warm energy that rushed down his throat. The dissolved elixir chose not to combine with his native streams; rather, it crystallized into a thin, gold-tinted casing that coated his Three-River Meridian Network and reinforced the boundaries of his dantian. The membrane pulsed with a warm, balancing resonance, reinforcing his internal channels like steeled armor.
With a single, decisive thought, Fang Lin released the restrictions on his parallel channels.
The three parallel pathways—the silver-white Frost River, the emerald-gold Life River, and the violet-black Nether River—surged violently, their currents transforming from quiet streams into a roaring, untamed torrent. The three elemental forces, previously kept in absolute isolation, rushed toward the center of his dantian. The collision was instantaneous, violent, and catastrophic. Frost, vitality, and death energy clashed with explosive force, repelling one another with wild, opposing momentum. The sheer pressure of the collision created a localized shockwave inside his body that instantly shattered his Spirit Foundation.
The white, jade-like walls of his Spirit Foundation, which he had polished through years of agonizing cultivation, cracked and burst into millions of glowing particles. The space of his dantian was crushed and broken under the weight of the explosion, collapsing inward like a dying star. The physical agony was monumental, far exceeding any pain he had experienced during his meridian tempering or his past desperate battles in the ruins. It felt as if a thousand needles of ice, fire, and rust were being driven through every pore and nerve, shredding his internal pathways from the inside out. A sharp, hot copper taste rose in his throat, and a thin line of dark blood trickled from the corner of his lips. Yet, his jaw remained clenched, and his spine did not bend. His posture was locked, like an unyielding stone monument in the dark chamber.
As the explosion threatened to tear his meridians to shreds, the gold-tinted membrane of the Three-Spirit Core-Balancing Elixir flared with a brilliant light. The elixir's protective barrier absorbed the expanding shockwave, acting like an indestructible net that caught the shattered, glowing particles of his foundation. It kept the chaotic forces contained, preventing them from breaching his meridians or destroying his internal organs. The balancing force acted as a stabilizer, buffering the extreme elemental friction and keeping the fragments within the boundaries of his dantian.
Simultaneously, Fang Lin activated the Nine Nether Phantom Body.
Under his skin, the Small Mastery of the Asura Flesh surged. His muscle fibers thrummed with a deep, metallic obsidian sheen, tightening like iron cables beneath his skin. The refined musculature expanded and contracted with mechanical efficiency, absorbing the immense physical impact of the internal explosion. Every fiber of his flesh, steeled by the gravity training, stood as an unyielding wall. His Guard Dragon Breath rose from his lungs, a deep, resonant support that wrapped around his heart, lungs, and liver, protecting them from being crushed by the internal shockwave. His parallel channels, though empty of their primary flows, held their shape, supported by the obsidian density of his reinforced physical vessel.
Outside his body, the physical strain manifested in a terrifying display. Sweat poured from his brow under the immense internal stress of the collision, only to instantly freeze into icy beads or evaporate into a dense mist. The mist swirled around him in three distinct colors: a freezing silver-white, a vibrant emerald-green, and a deep violet-black, forming a chaotic storm that threatened to crack the stone floor beneath him. The deactivated arrays in the room hummed faintly, vibrating under the immense pressure radiating from his physical frame.
Yet, holding the explosion together was only a temporary measure. The shattered particles of his foundation were still chaotic, spinning in a formless, glowing cloud of silver-white, green-gold, and violet-black dust. Without a guiding force to reconstruct them, the energy would eventually exhaust the elixir's membrane, resulting in a fatal meridian collapse.
Within his spiritual sea, the mysterious grey seed reacted.
The small green sprout mark on the seed's surface, which had remained quiet and still, suddenly released a bright, silent pulse of cosmic energy. It was a strand of pure, formless power, carrying the weight of the starry sky and the ancient resonance of the cosmos. The cosmic force flowed down from his spiritual sea like a thin, iridescent ribbon of starlight, passing through his meridians without friction and entering the ruined space of his dantian.
The moment the cosmic starlight touched the chaotic cloud of foundation particles, the chaos stilled. The cosmic energy wrapped around the glowing dust of his shattered Spirit Foundation, refining and purging the lingering impurities. Under the absolute guidance of the grey seed's energy, the chaotic particles did not reform into a single, unified core. Instead, the cosmic force sorted them, separating the fragments into three distinct centers.
The starlight pulled the silver-white particles of frost to the left, the green-gold particles of life force to the right, and the violet-black particles of death and darkness to the bottom. With a deep, internal hum that vibrated through his bones, the cosmic energy spun the three clusters, establishing three independent gravitational centers in his dantian.
These three centers rotated in a synchronized, triangular orbit, forming a miniature planetary system within the void of his chest. The gravity generated by their rotation was immense, creating a powerful pull that began to draw the elemental energies from his meridians. The three rivers, which had been flowing in wild confusion, were pulled toward their respective centers like rivers returning to the sea.
To the left, the silver-white center began to spin rapidly, drawing the icy-white currents of the Frost River. The absolute cold of the Frozen Heaven Sutra gathered at the core, freezing the surrounding particles into a dense, crystalline sphere of ice. The freezing energy pulsed with absolute stillness, a concept of cessation that slowed down the surrounding atomic movement, turning the left side of his dantian into a silent vault of ice.
To the right, the green-gold center spun with a warm, pulsing rhythm, drawing the vibrant vitality of the Life River. The Nether Life Spirit Qi gathered at this center, fusing the particles into a brilliant sphere of gold-flecked green light. This center thrummed with the potential of growth and recovery, a vibrant heartbeat of pure vitality that directly counteracted the destructive strain on his physical frame, channeling a continuous stream of mending force to support the Nine Nether Phantom Body.
At the bottom, the violet-black center spun with a silent, light-devouring force, drawing the death and darkness of the Nether River. The dark center represented the absolute decay of mortality and the devouring depths of the abyss, acting as a gravitational anchor that pulled in the dark remnants of his shattered foundation.
The moment the dark center began to pull the Nine Abyss Qi, a sudden resonance flared inside his storage bag. The hiltless Night Burial Sword, stored silently in the leather bag, began to hum with a deep, dark vibration. The sword-will within the blade, which had watched and weighed Fang Lin since the Weapon Resting Hall, recognized the condensing of the Death Core. It did not resist; instead, it released a single, cold strand of dark sword-will. The sword-will bypassed the spatial bag, entering Fang Lin's chest and circling the dark, spinning center of his Nether River once before settling into the core's foundation. It was a gesture of acceptance, confirming that the ancient weapon had finally recognized him as its true master.
Fang Lin's eyes remained closed, his mind completely focused on the internal alignment. The pain was still intense, but it had transformed from a destructive tearing into a constructive pressure. The three gravitational centers spun faster and faster, their boundaries sharpening as the elemental energies of the three rivers poured into them.
The starlight from the grey seed wrapped around the three forming spheres, refining their structures to a flawless, pristine density. Under the cosmic influence, the cores were not merely forming; they were being forged into something that transcended the normal laws of the cultivation world. They were transitioning toward a state of absolute perfection, free of any cracks, impurities, or weaknesses. The grey seed's cosmic energy actively refined them, ensuring they would become Perfect-Grade cores of legendary quality.
The crystallization process reached its peak. The silver-white, green-gold, and violet-black currents from the three rivers poured their full strength into the spinning centers. The three spheres of light grew brighter, denser, and more defined, their rotation humming with a deep, cosmic frequency that shook the very air inside the obsidian chamber.
Fang Lin guided the final currents of his Qi, his Asura Flesh holding his vessel steady as the three cores prepared to solidify, ready to ascend to the next realm of power. The three centers spun in perfect synchronization, drawing from the three rivers, ready to forge a legend. He could feel the final crystallization approaching, the threshold of Core Formation waiting to be crossed. His soul stood as an anchor, his body as the vessel, and his three rivers as the path.
The vibration of the three orbital centers resonated with the ancient foundations of the Legacy Mansion, shaking the heavy stone dust from the pillars in the distant halls. Outside the chamber, the air began to thin as the elemental attraction grew stronger, drawing in the ambient energy from the surrounding pocket space. Fang Lin took a deep, steady breath, centering his consciousness at the convergence of the three rivers, completely focused on the final step.
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