Cover of Pelagost
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Pelagost

by Owen Kavanagh

  • 1 hr 25 min read
  • 13 chapters
  • Published 16 February 2026
City in PerilAncient CreatureParasitic EntityEcological FantasyScholar ProtagonistFemale-Led FantasyCover-UpLeviathan FantasyPolitical IntrigueRace Against TimeDangerous JourneyInstitutional CorruptionSeafaring FantasySymbiosisMobile CityTruth-SeekingScience vs. PoliticsBeauty & HorrorNew Weird FantasyWhistleblowerSurvival PoliticsBiological ExplorationLiving ArchitectureHive Mind AntagonistBody HorrorGod-Body FantasyNaturalist ProtagonistUnderdogCohabitation FantasyLiterary FantasyHuman Becomes Other
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About this book

Summary

Sixty thousand souls live on the back of a living leviathan—and it's about to dive. Josefin Braal, a mainland naturalist dispatched to study the creature called the Orsal, arrives in the floating city of Pelagost to find fissures splitting its streets and sulfurous gas choking its lowest quarters. Her research reveals a terrifying truth: the beast isn't dying. It's descending. Now Josefin must navigate political betrayal, a creature's alien intelligence, and the horrors nesting inside its body to save a city that refuses to believe it's already sinking.

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Chapter 1

Chapter 1: The Living Foundation

The smell hit her before the city did.

Josefin Braal stood at the prow of the trade cog Helmund's Promise, one hand braced against the salt-crusted railing, and breathed in something that was not ocean air. It was warmer than it should have been, carrying a mineral tang that sat heavy on the tongue—like copper filings dissolved in brine. She'd read about it in the commission briefings back in Rethane: the thermal plume of the Orsal, a column of heated water and biological exhaust that trailed the creature for miles. Ships navigating the Henotic Ocean could smell Pelagost long before they saw it.

But reading about it and standing in it were different things entirely.

"First time?" The voice belonged to the cog's boatswain, a barrel-chested woman named Gritt who had spent twenty years running cargo between the continent and the mobile city. She leaned against the mast with the ease of someone whose legs had long since forgotten what solid ground felt like.

Josefin nodded. "The Academy's briefings didn't mention the smell."

"They wouldn't. The Academy's briefings are written by people who've never left their libraries." Gritt squinted toward the horizon, where something was beginning to resolve out of the morning haze. "There she is. Pelagost."

Josefin had expected something ramshackle—a floating shantytown, perhaps, or a cluster of platforms lashed together with rope and prayer. What emerged from the mist was neither. It was a city. A real city, with towers and domes and the angular geometry of genuine architecture, rising from what appeared to be a dark, gently curved island. Except it wasn't an island. As the Helmund's Promise drew closer, Josefin could see the edges where the Orsal's carapace met the waterline—not the clean break of rock against sea, but a living boundary, crusted with barnacles the size of dinner plates and trailing curtains of kelp that swayed in the current like green hair.

The carapace itself was enormous. She'd known the dimensions intellectually—the Orsal measured nearly two miles from anterior to posterior ridge, and roughly a mile across at its widest point—but comprehension failed against the reality. The shell was a landscape. It rose and fell in broad, undulating ridges, and the Pelagosti had built into every contour. Terraced neighborhoods climbed the creature's dorsal hump. Marketplaces sprawled across flatter sections where the carapace had been worn smooth by centuries of foot traffic. At the city's highest point, a cluster of tall, narrow towers caught the morning light—the Consul's Spire, if Josefin remembered correctly, seat of whatever passed for government in a place like this.

Dockyards ringed the city's perimeter, built out from the carapace on wooden platforms that extended over the water. Ships of every size were moored there: fishing skiffs, cargo haulers, sleek continental clippers, and a handful of vessels Josefin didn't recognize—low, wide-hulled boats with strange rigging that she guessed were unique to Pelagosti design. The dockyards were busy. Too busy, she realized, for a city that was supposed to be in the middle of a crisis.

"Where do I report?" she asked Gritt.

"Harbor-Warden's office. South docks, near the waterline. You'll know it by the flags—blue and white, with the Orsal sigil." Gritt paused. "Word of advice, naturalist. Don't call it 'the creature' when you're talking to locals. They don't like that."

"What do they call it?"

"The Orsal. Always the Orsal. Some of the older families say 'the Foundation.' A few of the temple folk call it 'the Dreamer.' But never 'the creature,' never 'the beast,' never 'the animal.' You're standing on something they consider sacred. Act accordingly."

Josefin filed this away with the clinical detachment of a researcher cataloguing local customs. She was not here to worship. She was here because the Royal Naturalist Society of Rethane had received an urgent petition from Pelagost's government, and her mentor, the aging Professor Calloden, had seen an opportunity to place his most promising student in a position of visibility. "Publish something definitive about the Orsal's biology," he'd told her, "and you'll have your own chair at the Academy before you're forty."

She was thirty-one. She intended to have it before thirty-five.

The Helmund's Promise eased into a berth at the south docks, and Josefin gathered her trunk—packed with instruments, sample jars, and three changes of practical clothing—and descended the gangplank onto the surface of a living thing.

The carapace was harder than she'd expected. It had the look of stone, a dark gray-brown surface scored with fine cracks and patches of pale calcification, but when she knelt and pressed her palm flat against it, she felt warmth. Not the warmth of sun-heated rock. Something deeper. Something metabolic. The Orsal's shell was generating heat from within, and even through the layers of biological armor, Josefin could feel it radiating upward into her hand.

She stood, brushed off her knees, and looked around.

The south docks were a controlled chaos of commerce. Longshoremen hauled crates of dried fish and salt-preserved fruit. A merchant was arguing with a customs official over the tariff on a shipment of continental wine. Children darted between the legs of adults, playing some game that involved throwing shells and shouting numbers. It looked, sounded, and smelled like any busy port—except that the ground beneath it all was alive.

Josefin noticed the cracks.

They were subtle at first—hairline fractures in the carapace surface, no wider than a fingernail. But as she walked inland from the docks, following the painted directional markers that served as Pelagost's street signs, the cracks widened. In one place, a fissure ran across the full width of a street, and someone had laid wooden planks over it to allow foot traffic. A thin, yellowish vapor seeped from the gap, and the air above it shimmered with heat. Josefin stopped, crouched, and held her hand over the fissure. The temperature was startling—hot enough to be uncomfortable at a distance of two feet.

"Don't linger there, mainlander."

She looked up. A man stood at the edge of the fissure, arms crossed, watching her with an expression that mixed wariness with weary authority. He was tall and weathered, with the deep tan and salt-bleached hair common to people who spent their lives on open water. His coat was blue, trimmed with white cord, and bore an embroidered sigil on the breast: a stylized leviathan, curled in a circle.

"You must be the Harbor-Warden," Josefin said, straightening.

"Ansel Veidt." He didn't offer his hand. "And you must be the naturalist Rethane sent. Josefin Braal."

"That's right."

"You're late. We sent the petition six weeks ago."

"Continental bureaucracy. The Society had to convene a review board, approve the commission, allocate funds—"

"People have died since we sent that petition, Braal." His voice was flat, not angry. Tired. "Three workers in the Undershell district, suffocated by gas from a fissure that opened under their homes while they slept. A child fell through a crack in the Westridge market. We pulled her out, but she'd been burned. The shell is hot down there. Hotter than it should be."

Josefin looked at the fissure at her feet, then back at Veidt. "How long has the Orsal been stationary?"

"Forty-three days."

"And the fissures?"

"Started about two weeks after it stopped. Small ones at first. They're getting bigger." He turned and began walking, clearly expecting her to follow. "I'll take you to your quarters and then to the survey sites. You can start tomorrow."

"I'd like to start today."

He glanced back at her, and something shifted in his expression—not quite approval, but a lessening of skepticism. "Then leave your trunk at the Harbor office. My people will take it to your room."

They walked through the city, and Josefin tried to absorb everything at once. Pelagost was denser than she'd expected, its buildings packed tightly together and climbing vertically wherever possible. Space on the Orsal's back was finite, and the Pelagosti had learned to build upward. Timber-framed towers rose four and five stories, connected by covered walkways and rope bridges. The streets were narrow, paved with fitted planks of driftwood laid over the carapace surface. In some places, the buildings were anchored directly into the shell with iron bolts driven into the calcified outer layer—a practice that made Josefin wince when she thought about the biology involved.

The people were a mix of ethnicities and origins, which made sense for a city that had spent centuries circling the ocean, making port at every continental coast. She heard at least four languages in the space of two blocks. But there was a commonality to them—a particular gait, a rolling, balanced walk that spoke of a lifetime on a surface that, however stable, was never truly still. Josefin caught herself compensating for a faint, almost subliminal motion—not the rocking of a ship, but something slower and deeper, like standing on the chest of something breathing.

Because she was.

"The temples are up there," Veidt said, pointing toward the cluster of towers at the city's summit. "The Order of the Foundation. They've been holding continuous prayer services since the Orsal stopped. They believe it's a spiritual crisis—that the city has sinned and the Dreamer is withdrawing its blessing."

"And what do you believe?"

Veidt was quiet for a moment. "I believe something is wrong with the Orsal, and I don't have the training to figure out what. That's why you're here." He stopped at a heavy wooden door set into the base of a squat, practical building near the waterline. "Harbor-Warden's office. Leave your trunk inside. I'll show you the worst of it."

"The worst of it" was a neighborhood called Kelvarn, on the city's eastern flank. It had been evacuated three days earlier, and walking through its empty streets felt like walking through a fever dream. The carapace here was visibly distorted—swollen upward in places, creating humps and ridges that had cracked the foundations of buildings. Several structures had collapsed entirely, their timber frames splintered and scattered. The air was thick with sulfurous vapor, and Josefin tied a cloth over her nose and mouth as Veidt led her deeper in.

"Here," he said, stopping at the edge of a fissure that was wider than any she'd seen—nearly four feet across, running the length of the abandoned street. The edges were discolored, stained yellow and orange by mineral deposits. Heat radiated from the gap in visible waves.

Josefin lay flat on her stomach and peered over the edge. Below the carapace surface, she could see layers—the outer calcified shell giving way to a denser, darker material that had a fibrous quality, like compacted muscle. And below that, barely visible in the sulfurous haze, something moved. Not quickly. Not with purpose. But a slow, rhythmic contraction, like the walls of a living chamber expanding and compressing.

"The Orsal's body," she murmured. "We're looking at its actual tissue."

"The maintenance crews have been reporting the same thing from the shafts," Veidt said. "The inner walls are contracting. Spaces that used to be stable are shrinking. Passages that workers have used for decades are closing up."

Josefin sat up, brushing grit from her coat. Her mind was already working, cataloguing observations, forming preliminary hypotheses. The heat increase. The sulfurous emissions—likely metabolic byproducts being vented through compromised shell integrity. The tissue contractions. The cessation of movement.

"Harbor-Warden," she said carefully, "how deep are your maintenance shafts?"

"The deepest go about forty feet into the shell. Some of the older ones go deeper, but they've been sealed off. The Orsal's tissue grows over them if they're not maintained."

"I'll need access to the deepest shafts you have. And I'll need tissue samples from multiple depths. Can your crews collect those?"

"I'll assign you a team. What are you looking for?"

"I'm not sure yet. But I can tell you one thing already." She looked at the fissure, at the living tissue pulsing beneath the broken shell. "This isn't decay. The Orsal isn't dying. Whatever it's doing, it's doing it on purpose."

Veidt stared at her. "That's not reassuring."

"It's not meant to be."

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