Global Descent: I Alone Can See Hidden Evolution Paths

The small stone cube felt rough against Jun-ho’s palm. It was a dull grey chunk of dense granite, the kind they dug out from the lowest foundations of the first station gates to train fresh recruits. For three hours, he had been sitting on the wooden bench, his thumb pressed against the center of the block.

Every time his thoughts drifted toward Sunday morning—toward the sight of Min-ah’s green wind magic hitting his shoulder blades—his grip would tighten.

Crack.

A thin, white line opened across the side of the stone.

"Drop it," Gyeong-su said from the forge hearth. He didn’t look up from his work, his calloused thumbs sorting through a bucket of old coal pieces. "That’s the second one you’ve ruined. I told you, your hand isn’t a vice. Stop trying to crush the world because your feelings are hurt."

Jun-ho let the ruined stone slip between his fingers. It hit the dirt floor with a soft sound, splitting cleanly into two neat triangles. He rubbed his palm against his trousers, his skin feeling hot and tingly from the suppressed energy behind his ribs.

"It’s not my feelings," Jun-ho said, his voice flat in the warm air of the shed. "It’s the pulse. Every time I try to hold the energy back, it builds up behind my collarbone until my arm feels like it’s going to burst."

Gyeong-su stood up, his old joints making a dry, clicking noise under his cotton vest. He picked up a long iron poker and stirred the embers in the stove until a faint orange glow lit up his gray beard. "That’s because you’re treating your body like a bucket, kid. You think you have to hold all that strength inside a small space until you find a monster to dump it on. A real vanguard doesn’t hold the weight. He lets it flow through him into the ground, like rain water going down a drain."

"My drain is broken," Jun-ho said.

"Then we build a better tool to handle the overflow," Gyeong-su muttered. He walked over to the back corner of the shed, where a large canvas tarp covered a long, rectangular shape resting on two wooden saws. He yanked the fabric away, throwing up a small cloud of grey soot.

Beneath the tarp lay a thick, square bar of black metal. It was about four feet long, three inches thick, and looked like a section of an old railroad track that had been melted down and flattened. It didn’t shine; the surface was rough, dark, and covered in small pits from the cooling process.

"What is that?" Jun-ho asked, standing up from the bench. His oversized rubber boots made a loose, heavy sound on the dirt floor.

"That is high-density black iron from a Tier 4 gate foundation," Gyeong-su said, his large hands running along the rough edge of the bar. "The main guilds don’t use it because it’s too heavy for their mages to lift, and their knights prefer shiny steel swords that look good in the newspaper photographs. But for someone like you? Someone who breaks standard iron sledgehammers by snapping their wrist? This is the only thing that won’t turn into splinters on your first swing."

Jun-ho walked over, looking down at the dark metal. He reached out his right hand, his fingers touching the rough surface. The moment his skin made contact, the hidden ocean of mana in his chest didn’t flare up; it pulled toward the metal, a cold, heavy sensation sinking deep into his bones.

"It’s heavy," Jun-ho murmured.

"It’s seventy kilograms of dead weight," Gyeong-su said, a small, grim smile cutting through his beard. "A regular hunter needs three strength potions just to lift it onto an anvil. We’re going to turn it into a straight sword. No crossguard, no fancy leather wrapping. Just a solid wedge of black iron that can take the full output of your muscles without shattering."

"How do we shape it?" Jun-ho asked, looking at the small brick stove in the center of the room. "That fire isn’t hot enough to melt Tier 4 foundation iron."

"The fire isn’t what shapes this kind of steel, kid," Gyeong-su said, his voice dropping into a low, serious tone. He stepped back and picked up a pair of massive, rusted tongs from the wall. "The metal responds to pressure. Real pressure. I’m going to pump the bellows until the core turns red, and then you’re going to hit it. Not with the sledgehammer. With your bare left fist."

Jun-ho turned his head slowly to look at the old blacksmith. "My bare hand?"

"Your right hand is the one that stores the kinetic energy from your new skill," Gyeong-su explained, his sharp eyes locking onto Jun-ho’s face. "If you hit it with your right hand, you’ll just blow the shop apart. You need to use your left hand—your regular hand—and learn how to meter the raw strength from your level-up. If you hit it too hard, the iron will crack and turn into useless slag. If you hit it too soft, it won’t budge an inch. You have to find the exact line between breaking it and shaping it."

Jun-ho stayed silent for a long moment, looking from his own pale, unblemished left hand to the black iron bar. The small mutt under the plastic tarp outside let out a soft whine, its tail thumping against the gravel once before going still.

"Okay," Jun-ho said. "Let’s do it."

Gyeong-su nodded once. He gripped the heavy tongs, jammed them around the center of the black iron bar, and hoisted it with an effort that made the veins on his neck stand out like thick ropes. He slid the metal straight into the center of the coal fire.

"Pump the bellows," the old man grunted.

Jun-ho walked to the back of the stove, grabbed the long wooden lever of the leather bellows, and pulled down.

Whoosh.

The air rushed into the coals, the orange embers instantly turning a blinding, white-hot yellow. The heat hit Jun-ho’s face like a physical blow, singeing the loose threads of his torn jacket sleeve. He kept his rhythm steady—down, up, down, up—watching the black iron bar change color.

It took twenty minutes of continuous pumping before the dark metal began to glow, a deep, blood-red light creeping from the center out toward the edges. The air inside the shed grew thick and dry, smelling of sulfur and hot rust.

"Pull it out!" Gyeong-su shouted over the roar of the air.

He yanked the glowing bar out of the coals, slamming it down onto the massive iron anvil anchored to the tree trunk. The impact made the whole floor shake, throwing up a small shower of red sparks that died instantly in the dirt.

"Hit it!" Gyeong-su ordered, stepping back with the tongs. "Right in the center! Don’t swing your arm! Use the wrist like you did with the engine block, but cut the force in half!"

Jun-ho stepped up to the anvil. His rubber boots felt sticky against the hot dirt floor. He looked at the glowing red metal, took a deep breath, and let the lake of mana in his chest shift. He brought his left fist down, straight and clean, aiming for the middle of the bar.

A sound like a small cannon shot exploded inside the shed. A wave of dry heat blew outward, rattling the tools hanging from the wooden walls. The black iron bar didn’t crack, but a distinct, shallow indentation about the size of his knuckles appeared in the red surface.

Jun-ho pulled his hand back. His skin was slightly red from the heat, but there was no blood, no broken bones.

Gyeong-su leaned forward, inspecting the mark with his thumb. He let out a short, nasal grunt. "Too soft. You’re holding back because you’re afraid of the pain. The metal can feel your hesitation, kid. If you don’t commit to the strike, the grain will cool unevenly and the sword will be brittle. Again. Ten percent harder."

Jun-ho adjusted his footing, his boots crunching on the loose gravel that had worked its way inside the door. He didn’t look at his hands this time; he looked at the dark, glowing center of the bar. He thought about the turnstiles at the station, about the smell of the burnt cardboard coffee, and the flat indifference in Min-ah’s eyes when she told him he was too expensive to keep around.

He didn’t yell. He didn’t make a sound. He just let the restraint drop by a fraction.

The strike was faster this time. The shockwave traveled down through the tree trunk anchor, splitting the dirt floor beneath the anvil into three deep cracks. The red iron bar flattened out by half an inch, the edges spreading smoothly along the steel face of the anvil.

"That’s it," Gyeong-su muttered, his eyes reflecting the red glow of the metal. He flipped the bar over with his tongs, the hot iron scraping loudly against the anvil. "Again. Same force. Keep the line straight. We have five minutes before the core cools down."

For the next four minutes, the shed was filled with the rhythmic, deafening roar of Jun-ho’s fists hitting the hot metal. BOOM. BOOM. BOOM. With every strike, the black iron bar grew longer, thinner, and sharper. The air around the anvil became so hot that the sweat on Jun-ho’s forehead evaporated before it could drop.

By the time Gyeong-su raised his hand to signal a stop, the rough railroad track was gone. In its place sat a crude, heavy wedge of dark iron, four feet long, two inches wide, tapering down to a blunt, thick edge. It didn’t look like a standard hunter’s blade; it looked like a tool meant for breaking walls.

Gyeong-su picked up a bucket of dirty trench water and dumped it straight onto the hot metal.

A massive cloud of white steam instantly filled the shed, hiding the walls, the stove, and the old man’s face. The loud hiss lasted for thirty seconds, the water bubbling and spitting against the hardened iron until the room went quiet again.

When the steam cleared, the sword lay on the anvil, completely black once more. The surface was covered in a rough, scaly texture from the rapid cooling, but the shape was solid. Intact. Unbroken.

Jun-ho reached out his left hand, his fingers closing around the thick, unpolished handle area at the base of the blade. He lifted it.

The weapon was heavy—so heavy that a normal man would have needed both hands just to keep the point from dragging in the dirt. But in Jun-ho’s grip, balanced against his hundred-fold strength, it felt perfectly anchored. It felt like an extension of his own forearm.

He gave it a small, quick flick through the air. The blade didn’t whistle like a thin steel sword; it made a deep, low whoosh that cleared the remaining steam out of the corner of the room.

Gyeong-su wiped the sweat from his gray beard with the back of his hand, his chest heaving slightly from the heat. He looked at the black wedge in Jun-ho’s hand, then at the deep cracks in the dirt floor beneath his anvil.

"It’s an ugly piece of work," the old blacksmith said, his voice raspy but satisfied. "No balance, no polish, no leather wrapping. But it won’t break when you hit something."

Jun-ho looked down at the dark metal, his reflection barely visible in the scale-covered surface. "It’s exactly what I need."

"Good," Gyeong-su said, walking back toward the brick stove to damp down the embers. "Because the twelve hours are almost up, kid. I can hear the delivery trucks shifting gears at the district toll gate down the road. They’re done checking licenses. They’re coming down the siding now."

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