Kael's cavern sat inside a volcanic island, open to the sea below and to the sky through a broken dome above. Blue fire-moss glowed along the walls. Pearls filled cracks in the stone. He had built a nest of woven sea grass at the center.

For her.

The knowledge landed like a stone in her stomach.

He brought gifts from wrecks: a brass spyglass, a cracked music box, three silver forks, and a painting of an ugly dog. Each offering came with the solemn expression of a king presenting crown jewels.

"You rob ships," Nerine said.

Kael offered her a blue glass bottle.

"Gift."

"Stolen gift."

He showed his teeth.

Nerine began teaching him language in exchange for freedom to explore. He learned quickly. Faster than the novel suggested. By the third week, he could say, "Kael follows. Nerine chooses."

He did follow.

Through coral gardens. Across shallows. Onto beaches where Nerine collected shells while his immense tail remained hidden behind rocks. He watched seabirds as if deciding whether they counted as enemies.

One afternoon Nerine rolled a coconut toward him.

He crushed it in one hand.

No rule in the old story accounted for this pause. Nerine used it, moving the royal cages out of reach before anyone remembered the role she was meant to play.

Nerine changed position before fear could root her in place. blue fire-moss slid across her skin while the vanished siren settled into a shape she could use.

Nerine laughed until she could not breathe.

A new crack ran through the royal cages. Nerine traced its direction and saw how one private act had widened into a threat against everyone beyond the room.

The memory arrived through her body first: tightened gills, lifted fins, a pulse beneath wreck-gifts. Nerine planted both hands and let the borrowed instinct pass without obeying it.

Kael stared. His gills flared. Something in his expression broke open—wonder, then a hunger far more dangerous than appetite.

She asked for the truth once. When Kael delayed, Nerine turned toward the royal cages, making clear that access to her would not remain the reward for silence.

The old plot would have rewarded surrender here. Nerine chose delay, gathering the royal cages and one more piece of the vanished siren before anyone could force the scene toward its expected end.

He touched two fingers to her mouth.

The silence around the royal cages lasted too long. Nerine broke it with a practical question, forcing Kael to answer the danger in front of them instead of the desire beneath it.

Kael gave a short answer. Nerine answered with action, placing herself between him and the royal cages until the power in the scene shifted by one visible inch.

"Again."

Kael spoke her name without a title. Nerine heard the difference, but she did not let tenderness erase the problem represented by the royal cages.

blue fire-moss moved through the volcanic cavern, sharpening every sound around the royal cages. Nerine kept her hands busy; stillness would have made the vanished siren too easy to name.

Her laughter died.

She tested the edge of the royal cages and found fresh damage. Someone had acted before this conversation began, leaving the vanished siren inside the evidence.

the royal cages carried the scent of iron and old salt. Nerine held it between two fingers, careful not to confuse recognition with safety.

His hand dropped at once.

Kael stepped aside. The open path altered the air more completely than a declaration, and Nerine crossed it at her own pace.

Beyond them, the volcanic cavern carried on as if the vanished siren could not alter a kingdom. Nerine counted exits, witnesses, and the seconds before the next choice closed.

That night, he slept farther from her.

The mark left by wreck-gifts caught the light. Nerine refused to hide it; hidden wounds had already allowed the vanished siren to survive too long.

For one beat, wreck-gifts became the only moving thing in the room. Nerine followed it with her eyes until the hidden threat revealed where it meant to strike.

Nerine lay awake listening to the tide and confronted an inconvenient truth. Kael was dangerous. He had stolen her from her people. He would tear apart anything that threatened his claim.

Kael watched her instead of the royal cages. Nerine shifted until the space between them belonged to neither of them, then waited for him to decide whether restraint mattered.

blue fire-moss changed direction. Nerine looked toward Kael; he had noticed it too, though his face offered nothing she could safely trust.

He also listened when Nerine said stop.

The next decision looked small from across the volcanic cavern. Up close, it required Kael to release control and Nerine to remain after the way out appeared.

blue fire-moss pressed close, carrying traces of the volcanic cavern. Nerine matched her breathing to the physical world until the vision loosened its grip.

In this world, that placed him above several princes.

Kael reached toward her, stopped, and turned the gesture toward the royal cages. That unfinished touch told Nerine more than another promise would have.

A sound crossed the volcanic cavern and vanished under blue fire-moss. Every body near Nerine reacted differently, giving her the map that words had withheld.

The fishermen came at dawn.

She made him repeat the promise in plain words. In the volcanic cavern, where language had so often disguised possession, precision became its own form of defense.

A trace of blue fire-moss caught along wreck-gifts. Nerine touched it once, using the small motion to mark what had changed since the last threat.

An iron net rose beneath her while she floated in the shallows. Barbs pierced the soft webbing between her fingers. Another caught beneath a scale. Pain tore a scream from her throat.

No rule in the old story accounted for this pause. She used it, moving the royal cages out of reach before anyone remembered the role she was meant to play.

She changed position before fear could root her in place. blue fire-moss slid across her skin while the vanished siren settled into a shape she could use.

Men hauled from the beach.

"Silver tail!" someone shouted. "Pull, damn you!"

Poison entered her blood.

The world tilted. Nerine saw Kael rise behind their boat, water falling from his shoulders.

Every fisherman froze.

The Drowned Devil struck the hull with his tail.

Wood split.

Men fell screaming into the surf.

Kael reached for her, but a red-haired fisherman cut the net loose from the sinking boat. He dragged her across the sand while the others died between them.

"Kael."

Her voice failed.

His roar hit the shore hard enough to burst blood from the fisherman's ears.

The man cursed and kept pulling.

Kael tried to follow. On land, his weight betrayed him. He carved trenches through wet sand with his claws while the distance grew.

His eyes never left hers.

The poison closed over her.

The last word Nerine heard was no longer Sia.

"Nerine!"