The Church prison sat beneath an abandoned pharmaceutical factory near the Danube.

From the outside, the building looked ordinary enough.

Broken windows.

Collapsed loading docks.

Graffiti covering rusted metal shutters.

Exactly the kind of forgotten industrial ruin cities stopped seeing after enough years passed.

Which made it perfect.

Church operations always hid best inside places people already ignored.

Seraphina crouched beside Lucien on a frozen rooftop across the street while snow drifted lightly through the midnight air around them.

Below, armed patrols rotated around perimeter fencing beneath floodlights and surveillance towers.

Too many guards.

Too much electricity.

No visible transport exits.

Lucien studied the movement patterns silently through binoculars while Seraphina checked ammunition beside him.

“You’re doing the thing again,” she murmured quietly.

Lucien lowered the binoculars slightly.

“What thing?”

“The terrifying silence thing.”

“I’m concentrating.”

“You look one inconvenience away from becoming folklore.”

A faint almost-smile touched his mouth briefly.

Then vanished.

Not enough energy left for humor tonight.

Seraphina noticed that immediately.

God.

He looked exhausted.

Not physically.

Something worse.

Like every minute closer to Cassian tightened invisible wires beneath his skin.

“You don’t have to carry this alone,” she said softly.

Lucien’s gaze remained fixed on the prison compound below.

“Yes,” he answered after a moment. “I do.”

The sentence landed too heavily for her to argue immediately.

Because she understood what he meant.

Cassian wasn’t just family.

Cassian remembered Lucien before torture chambers and wars and centuries of survival carved him into something harder.

Losing him would mean losing one of the last people alive who still saw the man underneath the myth.

The thought made Seraphina’s chest ache unexpectedly.

Below them, one of the floodlights shifted across the snow-covered courtyard.

Lucien’s focus sharpened instantly.

“Guard rotation changed.”

Seraphina glanced down.

“Because they know we’re coming?”

“Yes.”

Comforting.

Very comforting.

Lucien folded the binoculars slowly afterward.

“There’s another entrance beneath the eastern drainage tunnels.”

“How do you know?”

Silence.

Then:

“I escaped through it once.”

Seraphina froze briefly.

Oh.

God.

She looked back toward the prison compound with entirely new horror.

This wasn’t just another Church facility.

This was one of the places they brought him.

The realization settled coldly through her bloodstream.

Lucien stood already.

“Stay close to me once we’re inside.”

“That sentence’s becoming emotionally repetitive.”

“Seraphina.”

The tone stopped her immediately.

Not harsh.

Afraid.

Lucien looked toward her fully now beneath drifting snow and distant floodlights.

“If something goes wrong,” he said quietly, “you leave immediately.”

“No.”

“Yes.”

“Lucien—”

“I’m serious.”

The words cracked slightly around the edges.

Tiny fracture.

Barely noticeable.

Except she knew him too well now.

This wasn’t strategy talking.

This was terror.

Because somewhere inside himself, Lucien had already decided Cassian mattered more than his own survival tonight.

And Seraphina mattered more than both.

The realization frightened her more than the prison.

She stepped closer before thinking too hard about it and adjusted the collar of his coat against the falling snow.

Small gesture.

Domestic.

Intimate enough that Lucien visibly softened for one dangerous second.

“We both leave,” she said quietly. “That’s the deal.”

Lucien looked like he wanted to argue.

Then her fingers brushed accidentally against the side of his throat—

and his breathing changed immediately.

Tiny pause.

Control tightening visibly.

Seraphina’s pulse stumbled.

The hunger again.

Still there.

Still worsening.

Lucien stepped back first.

Coward.

The thought arrived so fondly it nearly hurt.

Then they moved.

—

The drainage tunnels smelled like rust, chemical runoff, and old blood.

Lucien navigated the underground passageways with terrifying familiarity while Seraphina followed close behind through ankle-deep freezing water beneath flickering emergency lights.

The deeper they descended, the colder the air became.

Not temperature.

Atmosphere.

Places built for suffering developed their own gravity eventually.

Seraphina learned that young inside Blackthorn interrogation wings.

Lucien slowed abruptly near a reinforced steel doorway ahead.

His entire posture changed afterward.

Stillness settling hard through him.

“You were here,” Seraphina realized quietly.

Lucien stared at the door.

“Yes.”

The single word carried centuries.

No elaboration necessary.

Seraphina looked toward the old sanctified silver restraints bolted visibly into the corridor walls nearby.

And suddenly she understood something terrible:

The Church never stopped experimenting.

They just modernized the cages.

Lucien reached for the control panel beside the door.

His hands remained perfectly steady.

Only the silence around him betrayed anything.

“You don’t have to do this alone,” Seraphina said again softly.

This time Lucien looked at her fully.

And for one brief second—

the ancient predator disappeared entirely.

Only the exhausted man remained.

“I know,” he whispered.

Then the door opened.

The laboratory beyond looked horrifyingly modern.

Medical equipment humming beneath fluorescent lights.

Glass containment chambers.

Research terminals.

And people.

God.

There were people inside the chambers.

Vampires restrained beneath IV lines and surgical restraints while Church researchers moved between stations recording data calmly like none of this qualified as evil anymore.

Seraphina’s stomach turned violently.

One restrained vampire looked barely older than sixteen.

Another had both arms covered in surgical incision marks glowing faintly silver beneath stitched skin.

Lucien went completely still beside her.

Not anger.

Shock.

Worse somehow.

One nearby research monitor displayed scanned blood reports beneath a familiar heading:

IMMORTALITY REPLICATION TRIALS

Seraphina stared.

“They’re trying to recreate vampirism.”

Lucien’s voice sounded colder than winter.

“No.”

She looked toward him sharply.

Lucien’s eyes tracked the restrained subjects around the laboratory.

“They’re trying to weaponize eternity.”

The sentence settled like poison through the room.

Because of course the Church wouldn’t settle for controlling monsters anymore.

They wanted immortality itself.

A sudden sound echoed faintly from deeper underground.

Weak.

Human.

Cassian.

Lucien moved instantly.

They cut through the lower security wing fast afterward.

Too fast for subtlety.

Two guards died before alarms fully activated.

Another barely managed reaching for a weapon before Seraphina knocked him unconscious against the concrete wall.

Then finally—

they found him.

Cassian hung restrained inside a reinforced containment room behind sanctified silver chains and blood extraction machinery.

Seraphina’s breath caught sharply.

God.

He looked awful.

Bruised.

Burned.

Pale enough even vampire healing struggled keeping pace with the damage.

One eye swollen nearly shut.

Silver burns crawling visibly across both wrists.

Cassian lifted his head weakly when the containment door burst open.

“Well,” he rasped painfully, “this rescue took emotionally longer than expected.”

Lucien crossed the room instantly.

No caution.

No restraint.

Fear stripped everything unnecessary from him now.

Seraphina had never seen him move like this before.

Not graceful.

Desperate.

Lucien reached Cassian just as the older vampire sagged violently against the restraints.

The amount of blood beneath the extraction chair suddenly became visible.

Far too much.

Seraphina’s stomach dropped immediately.

“Lucien.”

He already knew.

Cassian was dying.

Realizing it hit Lucien visibly.

Not panic.

Worse.

Devastation trying very hard to remain functional.

Cassian attempted another weak smile through split lips.

“Good news,” he whispered hoarsely. “I stole their access codes before torture became repetitive.”

Lucien’s hands shook once against the restraints.

Tiny movement.

Catastrophic coming from him.

And for the first time since Seraphina met the ancient vampire feared across continents—

she watched Lucien look genuinely helpless.