The next morning dawned clear and pale, sunlight spilling across the black sands and glinting off the faintly glowing cliffs of the labyrinth’s entrance. The air carried that same heavy tang of mana and salt, but this time, it wasn’t fear that filled the camp. It was anticipation.

Breakfast was brief, and conversation was kept to a minimum. Everyone knew what came next. By the time the sun climbed above the horizon, the expedition team was assembled at the edge of the camp, overlooking the massive, mist-veiled fissure that marked the labyrinth’s mouth.

The usual suspects were there, as expected:

Ludger, calm but focused, his gear freshly cleaned and his gloves glowing faintly with residual mana.

Arslan, stretching his shoulders and grinning faintly like this was just another day’s work.

Selene and Harold, standing side by side, she with her usual predatory smirk, he with that steady, eagerness.

Cor, his spellbook ready and focusing on using mana walls for defense.

Aleia, with her bow and her bright eyes belying the excitement she tried to hide.

Viola, checking her sword, full of energy, sharp and eager.

Gaius, arms crossed, expression unreadable, his presence alone grounding the entire group.

Kharnek and Freyra, standing together like twin walls of muscle and defiance.

Lucius, his saber hanging at his side, the embedded mana cores along the hilt pulsing faintly like a heartbeat.

Varik, polished armor restored, his silver cloak fluttering behind him, expression impassive but alert.  And Rathen, the mercenary captain, giving quiet, precise orders to the five Ironhand soldiers standing at the rear of the formation, sturdy men and women, disciplined and well-armed.

It was a strange mix of nobles, guild veterans, and mercenaries, but the tension in the air said they all knew how dangerous this was.

Ludger adjusted the strap of his pack and glanced toward Lucius and Viola, both standing closer to the front than he liked. He sighed. “Alright, I’ll ask the obvious question,” he said, voice dry. “Why are you two coming along and making this more complicated than it needs to be?”

Viola smirked immediately, her red cloak fluttering in the wind. “Because I’m not missing out on the fun,” she said without hesitation. “Do you know how boring it’s been standing around and do nothing?”

Ludger gave her a flat look. “You do realize ‘fun’ usually involves not drowning, burning, or getting eaten, right?”

“That’s what makes it fun,” she said cheerfully.

Before he could argue, Lucius stepped forward, his tone even but firm. “I’m coming because I’m stronger than most of those staying behind. You’ll need every bit of firepower you can get if the labyrinth’s changed as much as Rathen says.”

He gestured to the saber at his hip, the faint red glow pulsing through its mana cores. “I’ve fought sahuagins, monsters, and weird golems before. I can hold my own.”

Ludger tilted his head slightly, unimpressed. “So, you’re saying you’re volunteering to make my life harder.”

Lucius gave a small smile. “I prefer the term essential asset.”

Arslan chuckled from behind them, strapping his sword to his back. “You’ll learn not to argue with nobles, Luds. They always win, if not with logic, then by talking until you give up.”

Viola snorted. “You’re one to talk.”

Selene stretched her arms, smiling lazily. “Enough chatter. The sooner we move, the sooner we find out if this labyrinth’s going to try to drown us or crush us.”

Rathen nodded, stepping forward. “Agreed. Once we enter, stay within formation. We move slow until we get our bearings.”

Ludger glanced one last time toward the mouth of the labyrinth. The cold blue mist rising from it shimmered faintly, and that familiar pulse of mana echoed beneath his boots, steady, deep, almost like the heartbeat of something alive.

He rolled his shoulders and exhaled. “Alright then,” he said quietly. “Let’s see what’s changed.”

With that, the expedition party began its descent toward the labyrinth’s entrance, weapons drawn, torches lit, and every footstep echoing against the ancient stone like a drumbeat announcing the start of something vast and unknown.

As the group stepped inside, the world outside vanished behind them. The sound of the waves faded, swallowed by the thick, damp air that clung to the stone walls.

The interior stretched far beyond what any of them expected. The first corridor alone was enormous, vaulted ceilings arched high above them, supported by massive stone pillars carved with flowing, symmetrical engravings. Water glistened between the grooves, running in thin rivulets that shimmered under the dim glow of their lanterns.

Ludger slowed for a moment, letting his eyes adjust. The walls weren’t just stone, they were carved with reliefs, detailed and strangely elegant, depicting towering figures with elongated limbs and intricate headdresses. Their arms stretched upward, hands open as if holding invisible suns. Between them, serpentine patterns wound around the pillars, their scales made from mana coresthat still faintly glowed with mana despite centuries of decay.

It wasn’t like the ruins they’d found in other labyrinths. It felt older, older than any record, older than the nations that now fought over these lands.

Something about it stirred a strange familiarity in Ludger’s mind.

It looks almost… Earthern.

Not in design, but in intent. The layout, the symmetry, the precision, he’d seen patterns like this once, long ago, in his first life. The geometry reminded him of ancient Earth civilizations, something between Mayan and Egyptian architecture, if those two had been forced together and built underwater.

Tiered walls like half-pyramids rose from the waterlogged floor, inlaid with gold bands that ran upward toward carved eyes. Stairways led nowhere, half submerged beneath the rising flood. Statues of faceless figures stared from alcoves, each holding spherical objects that still emitted faint mana light.

It was haunting and beautiful, a fusion of the magic and the alien.  But Ludger kept that thought to himself. Explaining it would raise more questions than it answered.

He adjusted his gloves and kept moving, the water splashing faintly around his boots. It reached up to his knees now, cold, murky, and rippling with each step.

The formation advanced steadily, the light from their enchanted torches cutting long reflections across the flooded corridor.

At the front were Arslan, Kharnek, and Rathen—the vanguard. Arslan’s sword gleamed faintly, his movements precise and deliberate, every step measured for stability. Kharnek waded beside him, axe in hand, the water barely slowing his heavy strides. Rathen followed slightly behind them, spear raised, eyes scanning every corner for movement.

Behind them came Selene, Harold, and Cor, each watching the flanks. Cor ready to use mana walls whenever the water rippled unnaturally.

Ludger walked in the third line, alongside Viola and Lucius, keeping a safe distance from the front. He was there to observe, to read the flow of mana and terrain, to react if something went wrong. His geomancy wouldn’t reach far through this much water, but he could still sense the vibrations of the stone beneath.

The water distorted sound, amplifying every step into an echo that rolled through the hall like a heartbeat. Droplets dripped from the ceiling in steady rhythm.

Viola leaned close, whispering, “Creepy place. I like it.”

Lucius gave her a sideways glance. “Well, it is making me feel something else as well.”

Ludger said nothing. He was focused on the faint tremors beneath the stone, the slow, rhythmic pulse he’d felt since entering the island, now stronger, deeper.

Whatever powered this labyrinth… it was still alive. And as they moved deeper, the light from the entrance faded completely, replaced by the dim, bluish glow of ancient carvings that refused to die.

The deeper they went, the more the place felt like a cathedral built for gods that no longer existed, grand, silent, and waiting.

The group had been advancing in silence for nearly five minutes when the stillness broke. A faint, metallic grind echoed through the corridor, something heavy shifting against stone. Everyone froze. The sound came again, closer this time, followed by the faint splash of water displaced by something massive.

Ludger’s pulse slowed. He turned his head slightly, eyes narrowing toward the shadowed intersection ahead, where one of the side corridors joined theirs. Then, with a hiss of pressure and the screech of stone joints grinding into motion, something stepped out of the dark.

A golem, but not like the usual ones built from clay or rock. This one gleamed.

Its body was forged of blackened alloy and pale coral plating fused together with glowing seams of mana. The proportions were too clean, too deliberate, its movements too smooth. The face was flat and featureless except for a single glowing slit of light running horizontally across the head.

“…What in the hells is that?” one of the Ironhand soldiers muttered.

Even the veterans frowned. They’d seen golems before, Imperial guardians, dwarven automatons, even a few rune-forged sentinels from the Velis League, but this one was different.

It looked machine-like, not magical. A weapon made, not conjured.

For Ludger, it struck a deeper chord. He recognized the logic in its design, the segmentation, the mechanical precision of its gait, the faint hydraulic sound beneath its movement. It reminded him of constructs from a world long gone… of robotics labs and schematics on glowing screens.

He didn’t say it out loud, but his stomach sank slightly.

It’s too advanced for this world.

The thing halted when it noticed them. The faint whir of gears ceased, and the slit of light across its face focused, literally narrowing, as if calculating.

Rathen lifted a hand to signal the frontliners to hold. “It’s studying us,” he said under his breath.

Then the golem’s head tilted, and with a sudden, mechanical click, it raised its right arm.

The left hand opened, revealing three circular holes embedded in its palm, each one glowing with a deep, pulsing blue light. The glow intensified, then snapped into focus.

“Move!” Ludger shouted.

The golem fired.A barrage of mana bullets erupted from its palm in a blinding flash, streaking through the air with the speed of crossbow bolts. The water around its feet rippled from the force as a dozen projectiles screamed down the corridor.

Before anyone could react, Cor stepped forward. “—Mana Wall!”

A translucent barrier surged to life in front of the group just as the barrage struck. Each impact boomed like a drumbeat, blue light flaring with every hit. Cracks spiderwebbed across the barrier, the spell groaning under the relentless assault.

The air filled with the stench of ozone and mana burn. The golem didn’t stop—it kept firing, the light from its palm cycling faster, like it was building heat. Every bolt struck with mechanical precision, all aimed at head level.

Ludger could feel the vibration through the soles of his boots. “It’s targeting kill zones,” he said sharply. “It’s not just firing randomly, this thing’s calculating.”

Kharnek growled. “Then we break it before it finishes thinking!”

But Cor’s wall was already flickering, its surface fracturing like ice under pressure. He grit his teeth, sweat beading down his temple. “I can’t—hold much longer—!”

The next blast hit harder than the last, shaking the entire corridor.

“Get ready!” Arslan barked, drawing his blade. “The moment it stops firing, we strike!”

And as the final mana bolt hit the wall and shattered it into motes of fading light, the vanguard surged forward through the collapsing mist, charging straight into the golem’s waiting glow.

A hiss of pressure filled the corridor as the barrage finally ended.

The golem’s arm lowered, smoke venting in thin streams from the holes in its palm—like a weapon cooling after overheating. The glow from its chest flickered faintly, dimming for the first time since it had appeared.

Cor exhaled shakily, lowering his spellbook. His barrier dissolved into pale motes that drifted over the water before fading out completely. His shoulders rose and fell with deep, uneven breaths, and his usual calm expression was strained.

Even for a Sage, someone who had mastered the flow of mana itself, that defense had taken its toll. Cor’s mana pool dwarfed most mages in the empire, yet holding that shield against a sustained mechanical barrage had drained him dangerously close to his limit. His hands trembled slightly as he wiped sweat from his brow.

“That—” he muttered between breaths, “—wasn’t a spell. That was a damn weapon.”

Before anyone could respond, Arslan, Kharnek, and Rathen surged forward. The vanguard moved as one, water splashing violently around their boots as they charged through the corridor.

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