Font Size
15px

The descent into the inner basin beca quieter the deeper the group moved. The earlier chatter that had filled the march—Lucy asking about the map intervals, Liza double-checking the formation spacing, Arios calmly adjusting their pace—faded into a steadier rhythm. Their boots pressed into the soft moss that coated the basin floor, leaving faint impressions that vanished minutes later, absorbed back into the strange living ground.

Above them, the sun dipped behind the basin’s curved rim, cutting off half the sky and dimming the light. The basin always seed to swallow brightness faster than the rest of the island, as if it were an enormous bowl designed to trap shadows.

Lucy kept glancing around. "Still no monsters. This place feels... wrong."

Liza nodded. "Too quiet. No bird sounds. No mana signatures. Nothing."

Arios didn’t respond imdiately. He had picked up a stone—one of the countless dark, smooth stones scattered across the basin floor—and rolled it in his fingers. It looked like any ordinary stone at first glance, but when he turned it under the light, faint lines ran across its surface in perfect geotric symtry. Not cracks. Not scratches. Patterns.

"Sa designs as earlier," Arios said.

Lucy walked beside him and leaned in to look. "The repeating ones?"

"Yeah," Arios answered. "Triangles inside spirals. Or spirals inside triangles. Depending on how you tilt it."

Liza slowed down and tapped another stone with her boot. "It’s everywhere. But nothing else is here." She scanned the brush for movent. "It feels like the island is... waiting."

They continued, and the ground gradually sloped downward. At first the incline was gentle, barely noticeable. Then steeper. The moss shifted into a denser layer, turning almost velvet-like under their feet. When Lucy stepped down, her heel sank a little deeper than before.

"This is new," she murmured.

Arios tested the spot beside her. His boot pressed into the moss with a faint crunch. "It’s thicker."

Liza crouched and touched the surface. "It isn’t moss anymore. It’s sothing else."

The layer peeled slightly under her fingers, almost like dried seaweed or overlapping sheets of thin leather. Beneath it, the soil looked richer—almost black.

Lucy frowned. "Still no monsters."

Arios scanned outward again. The silence wasn’t just silence. It had weight to it. The kind that settled on your skin, making it feel like sothing unseen was watching from far away.

He kept walking.

They passed the point where their path split—left toward a shallow stone formation they had marked earlier, right toward what Lucy had called "the not-a-ravine ravine," a narrow path that had seed too symtrical to be natural. They chose right. It led deeper, according to the map, and they needed to reach the basin’s central zone to complete Phase Three.

As they advanced, the air grew colder. Not enough to see their breath, but enough that Lucy hugged herself once, muttering, "Why does the temperature drop like this in the middle of the day?"

Arios checked the humidity by the way the dirt clung to his boots. "No wind. No water sources. The cold shouldn’t settle this fast."

Liza tilted her head. "Feels like mana is pulling inward."

They walked another five minutes in silence before Arios spoke again.

"There," he said.

It was faint at first. A sound. Like a distant tapping. Not rhythmic. Not steady. A slow, almost deliberate knock against stone.

Lucy heard it too and stiffened. "Finally. Sothing."

Liza shifted slightly to Arios’s left, sliding into formation automatically. "Keep your guard up."

The tapping stopped.

Then resud. This ti louder, closer.

They rounded the corner of the ravine-like path, and the space opened into a circular clearing surrounded by stone walls. It was almost perfect in shape, a smooth bowl carved into the basin floor. At the very center sat a single slab of stone—rectangular, almost like an altar.

Lucy exhaled. "This looks like a ritual site."

Liza took a cautious step. "Be careful."

Arios didn’t approach the stone imdiately. Instead, he observed the entire clearing. The walls weren’t rough. They were polished. Polished by what, he didn’t know—water wouldn’t have flowed like this. Ti wouldn’t have carved such symtry. Sothing deliberate had shaped the place.

He finally walked forward, Lucy and Liza following at his flanks. Every footstep echoed faintly, as though the clearing amplified sound.

Arios placed a hand on the stone slab.

Nothing happened.

But the tapping stopped completely.

Lucy swallowed. "Arios..."

"I know." He narrowed his gaze. "Look beneath."

The slab wasn’t solid rock. It was composed of those sa patterned stones—hundreds of them—tightly compressed together to form a single shape. From above, it looked like a coherent object, but up close it was a mosaic, each piece carved with those spirals and triangles.

Liza bent down and touched one. "It’s warm."

Before Arios could answer, the stone beneath her fingers pulsed faintly—once, then stopped.

Lucy stepped back quickly. "Okay. That one moved."

"It didn’t move," Arios corrected. "It reacted."

"To what?" Lucy asked.

Arios studied the slab again. "Maybe to mana. Maybe to touch. Maybe to presence."

Liza stood, her posture firm but uneasy. "So what do we do?"

He thought for a mont. Then placed both hands on the slab and released a small, controlled flow of his mana—not an attack, not a burst, just enough to test a response.

The clearing vibrated.

Lucy gasped and jumped back. "Arios!"

"I’m fine," he said, bracing himself.

The slab began to glow, but not brightly. More like the stone absorbed his mana, shifting the engravings across its surface. The triangles realigned. The spirals elongated. The entire mosaic reshaped in a matter of seconds.

Then, as if settling into a final arrangent, the slab flashed once—and the clearing changed.

The stone walls shimred, their patterns lighting up in connected veins. Lines of pale blue mana traced across the formations, circling the clearing in a slow, deliberate rotation like a wheel turning in the wrong direction.

Lucy clutched Arios’s sleeve. "That’s not natural. That’s—Arios, soone tampered with this."

Liza stepped back into formation. "Arios. Look up."

He did.

The sky above the basin, once a clean stretch of blue, now looked distorted. Not dark. Not cloudy. Distorted. As if sothing transparent pressed against the entire do of the sky.

Arios’s expression hardened. "An illusion field?"

"No," Liza said, her voice low. "Sothing deeper."

Lucy backed away from the slab. "Arios... we triggered sothing. Or soone triggered it first."

The ground beneath them rumbled again—stronger this ti.

Then a fissure split through the exact center of the slab, running from one end to the other with a grinding crack. The slab didn’t collapse. It opened. Each half slid apart, revealing sothing beneath it.

A hole.

A perfectly shaped, square descent tunnel made of stone far smoother than anything else on the island.

Lucy stared. "That... wasn’t on any map."

Liza raised her weapon. "We need to decide now. Do we go down, or mark this and retreat?"

Arios didn’t move.

He stared at the tunnel. Listened to it. There was no wind inside. No echo. No sound at all.

"Arios?" Lucy asked.

He finally spoke. "This wasn’t made by nature. And it wasn’t made by the academy."

Lucy blinked. "What are you saying?"

Liza narrowed her gaze. "Arios. Say it clearly."

He looked down into the square tunnel again.

"This part of the island wasn’t built by humans."

Lucy froze. Liza’s grip tightened.

Arios continued, voice even, analytical.

"The patterns. The symtry. The mana reaction. The shifting formations. This isn’t sothing the academy could replicate. Not even the upper ranks. And if they could, they wouldn’t use it for a student exam."

Liza exhaled slowly. "So this entire basin..."

Lucy finished the thought with a whisper. "...is artificial?"

Arios didn’t confirm or deny. He simply looked deeper into the newly revealed descent.

It stretched down farther than their lights could reach.

Lucy stepped closer, looking worried. "Arios. If we go down—"

"We won’t go now," he said. "Not yet."

Liza raised an eyebrow. "You’re delaying?"

"Yes," Arios answered. "We’re missing information. If the basin was built—or shaped—by sothing non-human, then its function might not be what we think. It might not be a combat zone. It could be a containnt zone. Or a seal."

Lucy shivered at the word.

Seal.

Arios continued. "And if soone tampered with it from outside... we need to understand the risk before we approach the center."

Liza looked at the moving stone lines again. "...The academy couldn’t have done this."

"No," Arios said. "They couldn’t."

Lucy looked around once more, scanning the distorted sky, the glowing walls, the shifting engravings. "Then who did?"

Arios didn’t answer. He didn’t have an answer. But he had a growing suspicion that this island exam was far more than a simple assessnt.

After several seconds of silence, he turned away from the tunnel.

"Let’s regroup."

Lucy blinked. "Regroup?"

"Yes," he said. "We go back to the elevated ridge. Mark this site on the map. Report nothing yet."

Liza nodded calmly. "Agreed."

Lucy stared at him, concern mixing with trust. "Arios... if this is sothing dangerous—"

"It is," he said simply. "But we’ll handle it."

They began walking back through the ravine path. The light from the slab slowly dimd behind them, and once they turned the corner, the glow vanished completely, as if the clearing returned to its dormant state.

The tapping sound did not return.

The silence resud—but it felt heavier now.

Denser.

More aware.

Lucy walked close beside Arios, glancing up at him. "You’re thinking a lot."

"Yeah."

"Worried?"

"Aware," he corrected.

Liza walked on his other side. "Whatever that structure is, we’ll face it when the ti cos."

Arios nodded once. His mind was already calculating possibilities, tracing connections, matching the patterns on the stones to the mana behavior, the temperature drop, the eerie stillness.

This island was hiding sothing.

And now that the slab had reacted to him, whatever was hidden knew he was here.

They climbed the slope back toward the ridge, the quiet stretching between them, tension growing beneath the cool air of the basin. The sky above remained distorted, faint ripples running across the surface like light bending through water.

Lucy noticed and whispered, "The sky’s still doing that."

Arios didn’t look up. "I know."

"It didn’t do that when we arrived this morning."

"I know."

"Does that an... the island changed because of us?"

Arios didn’t answer imdiately.

He finally said, quietly:

"No. It changed because sothing woke up."

The three continued upward, shadows stretching long across the basin floor.

Phase Three had not ended.

It had only begun to uncover the true nature of the island—and whatever lay beneath.

You are reading Harem System in an Elite Academy Chapter 186: The Basin’s Ruin-Patterns Begin to React on novel69. Use the chapter navigation above or below to continue reading the latest translated chapters.
Share with your friends
Library saves books to your account. Reading History saves recent chapters in this browser.
Continuous reading

You may also like

The Villain's Story cover
Similar genre

The Villain's Story

Blazuku ·Fantasy

ThreeSoulslayinonebody,Onesoulbelongingtoamanwhohadreachedthepeak,thestrongestthereeverwas,theonewhohadthetalenttodoso.Yethesufferedbecauseofhistal...

Mage Manual cover
Similar genre

Mage Manual

Listening Day ·Fantasy

Ashopenedhiseyestofindthathehadtraveledtoastrangenationofmanyraces,andpeoplewerekneelingbeforehim.BeforehehadtimetoadapttothenewidentityoftheTermin...

Above The Sky cover
Similar genre

Above The Sky

Gloomy Sky Hidden God ·Fantasy

Thefirststarthatpassedawayextinguishedtwothousandyearsago. Fourhundredyearslater,themysteriousCalamityofHeavenlyFalldestroyedthecivilizationofthepr...

No reviews yet. Be the first reader to leave one.
Please create an account or sign in to post a comment.