Cover of Of Salt and Sunless Water
Romance 18+ ★ 4.45 · 91 Audiobook Available Exclusive

Of Salt and Sunless Water

by Elena Brooks

  • 1 hr 45 min read
  • 10 chapters
  • Published 23 June 2026
18+Rivals to LoversFantasy RomanceStrong HeroineHidden SecretsNoble SacrificeEnemies to LoversChoosing Love Over DutyMagical BondForced ProximityConspiracy RomanceDark Fantasy RomanceUnderwater RomanceRebellion RomanceWarrior RomanceSacrifice for LoveMilitary Fantasy RomanceLeviathan RomanceBetrayal RomanceSocial Justice RomanceRedemption RomanceCreature Bond RomanceSlow BurnVulnerability RomanceClass Divide RomanceFound FamilyPower AwakeningBreath SharingFortress Romance
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About this book

Summary

Lyra Calvert arrives at Saltreach fortress carrying her drowned father's name like armor, determined to bond a leviathan and prove she's more than the empire's idea of a proper woman. But when an ancient sea-wyrm chooses her with terrifying force and her infuriating flight-partner Cassius Knight draws her into the breathless intimacy of shared breath-magic, Lyra discovers that the empire she serves has been built on monstrous lies—and that the father she mourned may not be dead at all. To save everything she loves, she'll have to shatter everything she was taught to believe.

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Chapter 1

Chapter 1: The Drowned Man's Daughter

The portrait of Matthias Calvert hung in the Hall of the Surrendered, third from the left, between a woman who'd ridden her leviathan into a whirlpool to seal a breach and a man who'd given his eyes to the deep so the empire's fleet could navigate the Shattered Strait. Her father's painted face was serene, noble, composed—everything he hadn't been in life, if Lyra's mother was to be believed.

"Your father laughed too loud and ate with his fingers and once sang a bawdy song to the Empress's cousin at a state dinner," her mother had told her, usually while braiding Lyra's hair with the kind of force that suggested the memory still mortified her. "He was brilliant and impossible and he died the way he lived—too much of everything."

Too much. Lyra had grown up inside that phrase the way other children grew up inside houses. It was the architecture of her life: the walls, the ceiling, the locked doors. Too much laughter at the dinner table. Too much appetite when the plates were passed. Too much ambition for a girl whose father had already given the family its quota of glory.

She stood before the portrait now, twenty-one years old, her sea-bag slung over one shoulder and her mother's last letter crumpled in her coat pocket. The letter said: *I cannot stop you, but I can tell you that Saltreach took everything from me. Don't let it take you too.*

Lyra looked at her father's painted eyes and thought: *You didn't surrender. They just called it that because it sounded better than "sacrificed."*

Saltreach rose from the iron-grey sea like a fist of black stone, its battlements crusted with salt and its towers bent by centuries of storms that came howling off the open ocean with a fury that seemed personal. The fortress had been built in the age of the first riders, when the empire discovered that certain humans could bond with the leviathans—the colossal, sentient sea-wyrms that lived in the deep trenches beyond the continental shelf—and that bonded pairs could defend the empire's submerged borders against threats no surface navy could reach.

The greatest of those threats, now and always, was the Drownward.

Lyra had grown up on stories of the Drownward the way other children grew up on fairy tales. A cult of the deep, her tutors said. Fanatics who worshipped the abyss and lured whole ports beneath the surface, drowning thousands in rituals meant to appease something vast and hungry in the dark below. The Deepwatch—the order of bonded riders stationed at Saltreach—existed to hold the line against them, to patrol the submerged borders and keep the empire's coastal cities breathing above the waves.

Her father had been one of the finest riders the Deepwatch had ever produced. His leviathan, a massive bull called Stormgrave, had been the terror of the Drownward for fifteen years. And then, on a night the official records described only as "the Surrender at Cairn Deep," Matthias Calvert had given his life to the abyss so the empire could keep breathing.

Lyra had been three years old. She didn't remember him. She remembered the portrait, and the phrase *too much*, and the way her mother flinched whenever the wind sounded like the sea.

The ferry that brought candidates to Saltreach was a flat-bottomed barge called the *Petitioner*, and it smelled of tar, fish oil, and the particular brand of anxiety that came from putting thirty young people on a boat and telling them that in three days, most of them would be sent home. Only those chosen by a leviathan at the Tidewaking ceremony would remain. The rest would return to the mainland with nothing but a story and the lingering taste of salt.

Lyra had spent the crossing on deck, letting the spray soak her to the skin while the other candidates huddled below. She wasn't being brave. She was being practical. Below deck, a young man with golden hair and an accent that dripped with old money had been holding court, telling stories about his family's shipping fleet and making everyone laugh, and Lyra had decided she'd rather drown than spend another minute listening to him.

His name, she'd learned from the candidate roster, was Cassius Knight. Heir to the Knight Shipping Consortium. His family's vessels carried half the empire's trade through the Shattered Strait, and his smile suggested he knew exactly what that was worth.

"You'll catch your death up there," said a voice behind her, and Lyra turned to find a tall woman with close-cropped dark hair and sharp, assessing eyes standing at the rail. She wore the grey candidate's coat with a kind of weary elegance, as if she'd been born in uniform and found it tedious.

"I'll catch worse things below," Lyra said.

The woman's mouth twitched. "The Knight boy? He's harmless. All shine, no depth."

"In my experience, people who shine that brightly are usually trying to blind you to something."

"Wise." The woman extended a hand. "Nyla Ellsworth. My grandmother rode a leviathan called Brinewitch in the Second Trench War. She told me two things about Saltreach: bring warm socks, and don't trust anyone who smiles at you before you've earned it."

Lyra shook her hand. "Lyra Calvert."

Nyla's eyebrows rose. "Calvert. As in—"

"As in."

A pause. Then Nyla said, with careful neutrality, "Your father was a legend."

"My father was a man who died. The legend is what they built on top of him."

Nyla studied her for a long moment, then nodded slowly. "I think I'm going to like you, Calvert."

Saltreach swallowed them whole.

The fortress was larger than it looked from the water—a labyrinth of corridors carved into the living rock, lit by bioluminescent moss that gave everything a faintly greenish glow. The air tasted of salt and stone and something else, something Lyra couldn't name, a deep-sea pressure that made her ears pop and her skin prickle. The candidates were herded through echoing halls by silent instructors in black coats, past armouries and training pools and vast windows that looked out into the underwater dark.

Through one of those windows, Lyra saw her first leviathan.

It was enormous—a sinuous shape longer than a warship, its body armored in plates of iridescent chitin that caught the faint light and scattered it into rainbows. It moved through the water with a grace that seemed impossible for something so massive, and as it passed the window its eye—huge, ancient, and disturbingly intelligent—fixed on the line of candidates filing past.

Lyra felt something shift inside her chest. Not a thought. Not an emotion. Something deeper, more primal, like a door she hadn't known existed swinging open on rusted hinges.

The leviathan's eye held hers for a heartbeat. Then it was gone, sliding into the dark like a dream dissolving.

"Breathe," Nyla murmured beside her.

Lyra realized she'd stopped.

The candidates were given bunks in a long stone dormitory that smelled of damp wool and old ambition. Lyra's was near the window, which meant she could hear the sea even when she couldn't see it—a constant, rhythmic pulse that was either comforting or maddening, depending on the hour.

She was unpacking her sea-bag when the door opened and Cassius Knight walked in.

He was taller than she'd realized—she'd only seen him sitting on the ferry, surrounded by admirers—and up close, the golden hair and easy smile were almost offensively attractive. He had the kind of face that belonged on a coin: strong jaw, straight nose, eyes the color of aged whiskey. He moved like someone who'd never been told no, or if he had, hadn't bothered to listen.

"You're in my bunk," he said.

Lyra looked at the number painted on the wall above her pillow. "Fourteen."

"I'm fourteen."

"Then someone made a mistake, because I'm also fourteen."

He leaned against the doorframe and crossed his arms, and the smile he gave her was the kind of smile that had probably been getting him out of trouble since he could walk. "I don't suppose you'd consider—"

"No."

"You don't even know what I was going to say."

"You were going to suggest I take a different bunk, using charm instead of a valid argument, because you're used to getting what you want by being pleasant."

The smile didn't falter, but something behind it shifted—a flicker of surprise, maybe, or interest. "And if I made a valid argument?"

"Then I'd listen to it and probably still say no, because I was here first."

He studied her for a moment, and she had the uncomfortable sensation of being genuinely looked at—not appraised, not evaluated, but *seen*, the way the leviathan's eye had seen her through the window. Then he laughed, a real laugh, warm and startled.

"Fair enough. I'll take fifteen." He tossed his bag onto the adjacent bunk and extended a hand. "Cassius Knight."

"I know who you are."

"And you're Lyra Calvert, daughter of the great Matthias. We're going to be rivals, aren't we?"

"That depends on whether you're any good."

Another laugh. "Oh, I'm exceptional. But I suspect you already knew that, or you wouldn't be trying so hard not to be impressed."

He turned and walked away before she could respond, which was infuriating, because she'd had a response ready and it was devastating and now she'd never get to use it.

Nyla appeared at her shoulder. "What did I say about people who smile before you've earned it?"

"He's going to be a problem," Lyra said.

"Obviously. The question is what kind."

Lyra watched Cassius Knight settle onto his bunk with the ease of a cat claiming a sunbeam, and she thought: *every kind.*

The Tidewaking was held at dawn on the third day.

The candidates gathered on the Drowning Terrace—a vast stone platform that jutted out over the sea at the base of Saltreach's western tower. The water below was black and still, impossibly deep, and the air was thick with the smell of brine and the electric tension of thirty people trying very hard not to be afraid.

Admiral Tiberius Thackeray presided. He was a lean, grey man with the kind of face that looked like it had been carved from the same stone as the fortress—all sharp angles and weathered surfaces, with eyes the color of a winter sea. He wore the black coat of the Deepwatch with its silver leviathan clasp, and when he spoke, his voice carried the absolute authority of a man who had sent people to their deaths and slept soundly after.

"The leviathans choose," he said, standing at the edge of the terrace with his hands clasped behind his back. "Not you. Not me. Not the empire. The wyrms are sentient, ancient, and they answer to no authority but their own instinct. Some of you will be chosen. Most will not. Those who are chosen will receive the breath-magic—the gift that allows a bonded rider to survive beneath the waves. It will change you. It will not always be comfortable. But it is the highest honor the deep can bestow, and you will bear it with dignity."

He paused, and his grey eyes swept the line of candidates like a lighthouse beam.

"When your name is called, step to the edge and wait. The wyrm will come or it won't. If it comes, do not resist the bond. If it doesn't, step back and accept your fate with grace. There is no shame in being passed over. The deep is not for everyone."

*But I am for the deep,* Lyra thought, and the certainty of it was so fierce it frightened her.

The names were called in alphabetical order. Lyra watched candidate after candidate step to the edge of the terrace and stand there, rigid with hope, staring down into the black water. Sometimes a shape would rise—a leviathan surfacing to inspect the offering—and the candidate would gasp or flinch or stand perfectly still as the wyrm's presence washed over them. Some were chosen: a pulse of light, a sound like a bell struck underwater, and the candidate would stagger back with tears streaming down their face and the breath-magic already changing the color of their eyes. Others were passed over, the leviathan sinking back into the dark without a sound, and they would step back with the careful blankness of people trying very hard not to shatter in public.

Cassius was called before her. He stepped to the edge with the same easy grace he brought to everything, and Lyra watched a sleek, powerful wyrm rise to meet him—a young bull with scales like hammered bronze. The bond was swift and clean: a flash of copper light, and Cassius stepped back with his eyes blazing amber and a grin that made her want to hit him.

Nyla was chosen by a lithe, dark-scaled female called Nightcurrent. She came back from the edge shaking but composed, her eyes gone deep indigo.

"Calvert, Lyra."

She stepped forward.

The stone was cold under her boots. The wind cut through her coat. Below, the water was so dark it looked like a hole in the world, and for a moment she felt the vertigo of standing at the edge of something vast and unknowable and being asked to trust it.

She waited.

Nothing happened.

The seconds stretched. She could feel the eyes of the other candidates on her back, could hear the whispers starting—*Calvert's daughter, wouldn't that be something, imagine if she's not chosen, imagine the shame*—and the old familiar fury rose in her throat, the fury of being watched and judged and found wanting by people who had never bothered to know her.

She was about to step back when the water exploded.

The thing that rose from the deep was not like the other leviathans. It was ancient—impossibly, terrifyingly ancient—its body scarred and barnacled, its scales the grey-green of deep water, its eyes clouded with cataracts that turned them into pale, milky orbs. It was enormous, dwarfing the young bulls and sleek females that had chosen the other candidates, and it moved with a ponderous, wounded grace that spoke of centuries of pain.

Tidemourn.

Lyra knew the name before anyone spoke it. She knew it the way she knew her own heartbeat—instinctively, cellularly, as if the knowledge had always been there, waiting.

The ancient wyrm rose until its massive head was level with the terrace, and those blind, milky eyes fixed on Lyra with an intensity that had nothing to do with sight. She felt it then—the bond—not as a gentle appraisal but as a force, a wave, a wall of sensation that slammed into her like the sea itself. Every nerve in her body lit up. Every current in the water below became a touch against her skin. The world went unbearably, painfully vivid—the salt on the wind was a blade, the light was a scream, the cold was a hand closing around her heart—and she couldn't breathe, couldn't think, couldn't do anything but stand there and be *chosen* with a violence that nearly stopped her heart.

She heard someone shout her name. She heard Admiral Thackeray say something sharp and commanding. She heard the whispers of the other candidates rise into a roar of disbelief.

And then the world went dark, and she fell.

She woke in the infirmary with Nyla sitting beside her bed and the taste of the deep in her mouth—salt and iron and something ancient, something that had been alive longer than the empire itself.

"You've been out for six hours," Nyla said. "The whole fortress is talking about it. Tidemourn hasn't chosen a rider in forty years. The last one was—"

"My father," Lyra said.

Nyla nodded.

Lyra closed her eyes. She could feel Tidemourn in the back of her mind—a vast, patient presence, old and tired and somehow, impossibly, glad. The leviathan's perception bled into hers: every current in the water around Saltreach was a whisper against her skin, every shift in pressure a touch, the whole ocean suddenly alive and intimate in a way she hadn't been warned about.

"The breath-magic," she said. "Is it always like this? Like being—touched. Everywhere. All the time."

Nyla's expression was careful. "It's intense at first. You learn to manage it. But Tidemourn is... different. Older. More powerful. Your bond is going to be stronger than most."

"Stronger," Lyra repeated, and she could hear the edge in her own voice, the edge that had always been there, the edge her mother called *too much*. "Of course it is."

A knock at the infirmary door. Cassius Knight leaned in, his newly amber eyes bright with something that might have been concern or might have been curiosity.

"You're alive," he said. "Good. I was worried I'd lost my rival before we'd even started."

"Get out," Lyra said.

"Gladly. But you should know—Thackeray's assigned us as flight-partners. Apparently the old monster who chose you and the young idiot who chose me are from the same lineage, and the Admiral thinks we'll work well together." He paused, and the showman's grin softened into something almost genuine. "For what it's worth, I've never seen anything like what happened out there. You were—"

"Too much?"

He looked at her, and for a moment the mask slipped and she saw something raw underneath—not pity, not admiration, but recognition, as if he'd seen something in her that he understood from the inside.

"Magnificent," he said quietly. Then the grin was back, and he was gone.

Nyla let out a long breath. "He's going to be a problem."

"You said that already."

"It bears repeating." Nyla leaned forward, her indigo eyes serious. "Listen, Calvert. There's something you should know about Saltreach. About Thackeray."

"What?"

"This place runs on secrets. The Admiral collects them the way other men collect medals. And bonded riders—especially ones who ask the wrong questions—have a way of disappearing. Not dying. Disappearing. There's a difference, and it matters."

Lyra thought of her father's portrait in the Hall of the Surrendered. Serene. Noble. Composed.

A lie painted over whatever the truth was.

"What kind of questions?" she asked.

Nyla held her gaze. "The kind that start with *why* and end with *who benefits*."

Outside the infirmary window, the sea beat against Saltreach's walls like a heart that had never learned to stop, and in the deep, Tidemourn stirred and waited, ancient and patient and full of things that had been hidden for a very long time.

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