Their bodies had recovered enough to move without pain, but tension clung to them like a second skin. The air here was thinner, colder, carrying a faint metallic taste that lingered at the back of the throat. Each breath felt sharper than in the jungle below, as if the mountains themselves rejected intruders.
There was nowhere to hide.
Gone were the dense trees and tangled undergrowth that had offered cover. The slopes were bare, stripped down to fractured stone and narrow ridgelines. Every footstep sent pebbles skittering downward, the sound echoing far longer than it should have. Noise traveled here. Mistakes traveled with it.
Adlet moved carefully, testing each foothold before shifting his weight. The openness unsettled him more than the forest ever had. In the jungle, danger lurked unseen. Here, danger could see them from anywhere.
The wind howled through the valleys, slipping between jagged cliffs with a low, mournful whistle. Dust and shards of grit lashed against their faces, forcing them to narrow their eyes as they advanced. Far above, enormous winged silhouettes drifted between peaks — Apexes gliding effortlessly across the sky, distant yet unmistakably powerful.
None approached.
And somehow, that was worse.
Adlet couldn’t shake the feeling that they were being measured… evaluated. As if something higher in the mountains had already noticed them and simply chosen not to act — yet.
“We keep moving,” Adlet said quietly, without slowing. His voice barely carried against the wind. “Stopping makes us predictable.”
Polo nodded, scanning the ridges nervously. His gaze lingered on scattered shapes half-buried among the rocks — bleached bones, too large to belong to anything ordinary.
“I don’t like this place,” he admitted under his breath. “It feels like the mountains are waiting for us to slip.”
Adlet didn’t answer immediately. His eyes traced the broken terrain ahead, searching for paths that offered the least exposure.
“This island doesn’t care whether we’re careful,” he finally said. “All we can do is keep going. Find Lucien and Linoa… and stay alive long enough to reach them.”
Polo exhaled slowly, tension settling into resolve. “Step by step, then.”
They climbed higher.
Every movement demanded focus. Loose stones shifted beneath their boots, threatening to send them sliding down steep inclines. The echoes of their steps bounced between the cliffs, distorted by distance until it sounded like someone — or something — followed just out of sight.
Cloud shadows crawled slowly across the peaks, stretching and warping along the rock faces. For fleeting moments, the mountains seemed to move, alive in ways that made Adlet’s instincts tighten.
Up here, survival felt fragile.
And the higher they climbed, the more certain he became of one thing:
they had entered a place where humans were never meant to walk.
After hours of careful climbing, the terrain began to change.
The wind died first.
Its constant whistle between the cliffs faded until only the scrape of their boots against stone remained. Even the distant cries of flying Apexes disappeared, swallowed by an unnatural stillness that pressed against Adlet’s ears.
He slowed without realizing it.
Something was wrong.
The slope leveled gradually, opening into a wide basin carved between towering ridges. At first, it looked empty — just a stretch of pale dust and fractured rock. But the farther they advanced, the more details emerged from the haze.
Shapes.
Too large to be stones.
Adlet stopped at the edge of the valley.
Bones lay scattered across the ground.
Not a few remains, not the aftermath of a single hunt — but hundreds. Massive rib cages half-buried in dust. Vertebrae the size of tree trunks. Broken horns and shattered skulls bleached by time. Some were ancient, worn smooth by wind. Others looked disturbingly recent, dark stains still marking the stone beneath them.
The entire valley felt like a graveyard abandoned by the world itself.
Even the air carried a faint metallic scent.
Each step they took sent hollow echoes rolling across the basin, the sound traveling far too easily in the open space. Adlet felt exposed instantly — as if crossing an invisible boundary.
Not a battlefield.
A territory.
“What do we do?” Polo whispered, his voice instinctively lowering, as though speaking too loudly might awaken something sleeping beneath the earth.
Adlet crouched beside a massive fractured skull, its jaw lined with serrated teeth longer than his forearm. He brushed dust away with his fingers, studying the clean break along the bone.
Not decay.
Force.
Something powerful enough to kill Apexes… repeatedly.
His gaze swept across the valley again, and the realization settled heavily in his chest.
This place belonged to something far above them.
“We don’t have a choice,” Adlet said quietly at last, rising to his feet. “If we want to reach the next mountain range… we cross here.”
Adlet and Polo had barely crossed half the valley when the silence changed.
It wasn’t a sound at first — more a pressure, a subtle tightening of the air. The wind died abruptly, as if the mountains themselves were holding their breath. Loose pebbles trembled beneath their boots.
Adlet stopped.
“…Do you feel that?” Polo whispered.
A sharp crack answered him.
Stone split high above them. Dust cascaded down the slope, followed by the heavy scrape of hooves against rock.
Then it appeared.
At the crest of the ridge stood a massive shape — a Stonefang Goat.
Nearly three meters tall, its muscular frame bristled with jagged crystalline spikes that caught the pale light between the cliffs. Its red eyes locked onto them instantly, cold and assessing. Steam curled from its nostrils as it lowered its head, horns angled forward like spears.
Polo swallowed. “Rank 3… Stonefang Goat.”
Adlet stepped forward instinctively, shoulders squaring. Confidence rose within him — not arrogance, but the lingering certainty of someone who had faced a far worse monster and survived.
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“If it’s just that,” he said quietly, “I can handle it.”
The goat snorted.
The sound echoed.
And then it moved.
The charge came like a landslide.
The ground detonated beneath its hooves, rock fragments exploding outward. Adlet barely reacted in time, throwing himself sideways as the beast slammed into the earth where he had stood a heartbeat earlier.
The impact shattered stone.
Shockwaves rippled through his body as shards tore past his face.
Half a second slower… and he would have died.
Adlet rolled to his feet, green Aura already flaring around his legs. Energy flowed through his muscles, sharpening his reflexes as he circled wide.
The goat pivoted instantly.
Too fast.
It kicked against the slope, using the incline to redirect its momentum, charging again without losing speed.
Adlet’s eyes widened.
This wasn’t brute force — it was a mountain predator.
He lashed out, summoning his Aura whip. The green tendril snapped forward, wrapping around a spike near the creature’s shoulder. Using the pull, he vaulted upward, aiming for its back.
Midair, he shifted Aura.
Red energy surged across his body — the hardened resistance of the Ruby Turtle forming a protective layer around him.
The transition sent a violent shudder through him. The different Auras resisted for a fraction of a second before stabilizing, pain flashing through his chest.
He landed atop the beast.
Instantly, he realized his mistake.
The spikes weren’t passive armor — they moved with the creature’s muscles, grinding against his Aura like serrated blades. The goat bucked violently, twisting its body with terrifying agility.
Adlet tried to strike toward the neck—
The creature slammed its side into the cliff wall.
The impact ripped him free.
He was thrown into open air.
“Adlet!”
A blue Aura tentacle shot upward, wrapping around his waist and yanking him away before he crashed into the rocks. Polo pulled him down beside him, breathing hard.
“You can’t just tank everything!” Polo shouted. “It’s stronger than you!”
Adlet grimaced, pushing himself upright. His arms trembled slightly — the Ruby Aura had held, but barely.
“I thought the Turtle’s resistance would be enough…”
The goat turned again, hooves scraping sparks from stone as it prepared another charge.
Polo’s expression hardened. “Then we stop fighting it like you’re alone.”
Adlet met his gaze.
No argument. Just understanding.
They moved.
The next charge came faster, but this time Polo acted first. Tentacles lashed outward, striking the ground beside the goat and altering its trajectory just enough for Adlet to slip past its horns.
Green Aura flared.
Adlet darted low, forcing the beast to turn sharply on unstable terrain. Pebbles cascaded beneath its hooves, disrupting its balance.
The rhythm changed.
No longer survival — coordination.
Polo’s tentacles deflected debris and redirected momentum. Adlet attacked only when openings appeared, retreating instantly when the spikes threatened to catch him.
No words passed between them.
They didn’t need any.
The goat grew frustrated, movements becoming heavier, more committed. It charged again — too hard this time.
Polo struck the ground ahead of it, tentacles wrenching loose stones into its path.
The beast stumbled.
“Now!” Polo shouted.
Adlet moved instantly.
Red Aura surged across his arms as he vaulted upward once more, landing closer to the neck this time — where the spikes thinned. He braced himself, ignoring the heat and pressure tearing through his muscles.
Switching to black Aura — coiled into a focused strike.
He drove it down.
At the same moment, Polo’s tentacle hooked the creature’s foreleg, pulling sideways.
The combined force broke its balance completely.
The Stonefang Goat collapsed onto the rocky slope with a heavy crash, dust erupting around its massive body. Loose stones tumbled down the incline, clattering into the valley below as silence slowly reclaimed the battlefield.
Adlet remained still for a moment, chest heaving, Aura flickering unevenly around his arms before fading completely.
The fight was over.
Only now did he feel how hard his heart was pounding.
He staggered back a step, muscles trembling — not from exhaustion alone, but from the sudden release of tension. The echoes of the charge, the impact of horns, the violent resistance of the creature’s body still lingered in his nerves.
Polo exhaled sharply beside him. “Still alive,” he muttered.
“Yeah…” Adlet answered automatically.
But his gaze stayed fixed on the fallen Apex.
Up close, the creature looked even more dangerous than it had during the fight. Its crystalline spikes were thick enough to pierce stone. Its muscles, even in death, remained coiled with terrifying density. One clean hit from that charge would have crushed him outright.
A cold realization crept into his thoughts.
He replayed the battle in his mind — the moment he stepped forward without hesitation… the instant he chose to fight alone at first… the certainty that he could handle it.
Too easily.
His jaw tightened.
He hadn’t been cautious.
He had been reckless.
The memory of the Ruby Turtle flashed before him — fire swallowing the sky, unbearable heat, the certainty of death pressing down on him from every direction.
That victory hadn’t been strength alone.
It had been desperation. Timing. Luck. Survival pushed beyond reason.
An exception.
Not a new standard.
Adlet let out a slow breath, the weight of the realization settling heavily in his chest.
Not all Apexes were the same.
Rank alone didn’t define danger. Some fought with overwhelming force, others with speed, terrain, instinct — variables he still barely understood. Against the Ruby Turtle, he had faced an immovable fortress. Against this one, raw momentum and lethal precision.
And today… he had nearly paid for forgetting that.
“I got careless,” he said quietly.
Polo glanced at him. “You noticed too, huh?”
Adlet nodded faintly, eyes still on the creature.
“Beating the Ruby Turtle…” he murmured, almost to himself, “that wasn’t proof I’m ready for anything.”
He flexed his fingers slowly, feeling the lingering tremor in his muscles.
“It was an incredible miracle that I survived at all.”
For a moment, neither of them spoke.
The wind returned, sweeping through the valley and rattling the scattered bones around them — a quiet reminder of how many stronger creatures had fallen here before.
Adlet straightened at last.
This island wasn’t impressed by past victories.
And it wouldn’t forgive arrogance twice.
Polo remained standing a short distance away, brushing dust from his sleeve while the last echoes of the fight faded into silence. Loose stones still rolled slowly down the slope, clicking against one another before coming to rest. His gaze drifted toward Adlet from time to time — thoughtful, as if weighing whether to say something.
“…You know,” he said at last, almost casually, “you use your Aura in a really straightforward way.”
Adlet glanced sideways. “Straightforward?”
Polo nodded. “Effective. But… very basic.”
Adlet frowned slightly. “I’m not sure that sounds like a compliment.”
“It’s not an insult either,” Polo replied quickly, raising a hand. “Most Protectors fight like that for years. You push your Aura harder when you need strength, switch when you need something else. It works.”
He hesitated, searching for the right words.
“But at your level… it might be time to move past that.”
Adlet’s attention sharpened. “Move past it how?”
Polo scratched his cheek, clearly uncomfortable explaining something he didn’t fully master himself.
“There’s another stage of control,” he said slowly. “Not more power — more mastery. Right now, you’re forcing your Aura to do what you want every time. The stronger Protectors don’t really do that anymore.”
Adlet stayed silent, listening.
Adlet studied him for a moment. “And you know how to do that?”
Polo gave a small shrug. “Yeah.”
Adlet blinked. “Wait… you do?”
Polo nodded toward him. “You’ve already seen it. Plenty of times, actually.”
Adlet blinked, caught off guard. “Wait… what do you mean? When?” he asked, turning fully toward him, curiosity pushing aside his fatigue. “If I’ve seen it, why didn’t I notice anything different?”
Polo opened his mouth as if to answer, then paused. The oppressive silence of the mountains pressed in again, the wind slipping between the rocks with a low, uneasy whistle.
He adjusted the strap of his pack and gave a small nod forward.
“We’ll talk about it when we’re somewhere a lot safer.”
Adlet nodded slowly.
Questions lingered in his mind as they resumed walking — quiet, persistent — like an answer waiting just beyond reach.
Adlet inhaled slowly, letting the mountain air fill his lungs.
Another step forward, he realized — not in power, but in understanding.
And on this island, understanding might matter even more.
Together, they resumed their climb, the mountains rising ahead like silent judges — and this time, Adlet walked with caution instead of certainty.
Every voice echoes through the stone, shaping the secrets it holds.
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