The wooden tram groaned under their weight as it glided across the empty dark.
The four thick cables creaked against the iron pulleys overhead, making slow, rhythmic screeching sounds that set Kiran’s teeth on edge.
Down below, the black chasm was completely silent, except for the cold wind blowing straight up through the cracks in the oak floorboards.
Ignis had his face buried flat between his front claws.
His crooked horn was wedged tightly against a rusted iron bolt.
“Are we falling?” Ignis whimpered, his voice muffled by the wood.
“It feels like we’re falling.”
“We’re not falling, you idiot,” Vaelgor grunted, bracing his heavy legs wide on the planks to balance his bulk.
“We are rolling.
If we were falling, your belly would be in your throat.”
“If we fall,” Ignis whispered, “do you think my wings are big enough to glide?”
“Your wings are the size of dinner plates,” Vaelgor said flatly.
“You would drop like a round stone.”
Kiran knelt near the front edge of the platform, keeping one hand on the cold iron brake lever.
The wind coming up from the deep pit was different from the upper mountain draft.
It was freezing cold, but it didn’t smell like snow.
It smelled like wet slate, ancient iron, and deep, still water that had never seen the sun.
Underneath his boots, the strange hum he had felt earlier was still there.
It was a slow, deep thrumming in the air—like an enormous pump or an engine idling miles below the floor of the chasm.
Jyoti, Kiran thought.
Do you hear that sound?
A faint blue box hovered in his vision.
[JYOTI]
Low-frequency vibration detected.
Source location: Directly below, Sector 7 depth.
Rhythm: Steady.
One pulse every four seconds.
Cause: Unknown mechanical or elemental origin.
Mechanical?
Like a machine?
[JYOTI]
Host does not have enough authority to access underground schematics.
Advice: Watch the landing.
The cables are ending.
Kiran looked up.
Out of the gloom ahead, the far cliff face rushed toward them.
A broken stone ledge, cut wide and flat from the black mountain bedrock, was only thirty feet away.
“Brace yourselves!” Kiran called out, pulling back hard on the iron brake handle.
The greasy brake shoes clamped down against the steel cable with a sharp, wet hiss.
The wooden platform shuddered, slowing down as it slid into the stone cradle on the far side of the chasm.
With a heavy, hollow thump, the tram bumped against the wooden bumper beams bolted to the rock, coming to a dead stop.
Torven was the first off.
Without chains dragging behind his ankles, the old, wingless drake moved with surprising speed.
His heavy front paws hit the solid stone of the far ledge with dull thuds.
“Sector 6,” Torven rasped, his cloudy green eyes blinking into the dark.
“Still standing.
The roof didn’t drop while I was locked in the forge.”
Vaelgor followed, stepping carefully off the wood.
A tiny cloud of white fog puffed from his nostrils with every breath.
Kiran stepped onto the stone ledge last.
The moment his feet touched the floor of Sector 6, a sharp chill bit through the cloth wraps on his shoes.
The rock was covered in a thin, pale crust of white frost.
It wasn’t snow; it was moisture frozen solid against the dark slate walls, shining like crushed glass in the dim light.
Kiran shivered, pulling his scorched shirt tighter across his chest.
“Why is it so cold down here?” Kiran asked, his breath misting into the air.
“We went deeper into the mountain.
Shouldn’t it be hotter near the fire-veins?”
“Sector 4 has the active fire-seam,” Torven said, turning his hunched body down a wide, arched corridor cut into the rock.
“Sector 6 is the drainage basin.
All the cold water from the northern snow peaks drains down through these shafts.
In the old days, the human crews had to pump the water out day and night, or the lower shafts would drown in ice.”
“Where is the pump-room you talked about?” Vaelgor asked, his teeth clicking together slightly from the chill.
A Red-Iron drake was built for furnace heat; the biting damp was already making his grey scales look dull.
“Straight ahead,” Torven said.
“Behind the iron flood-gates.”
They walked down the wide stone passage.
Here, the mine looked much more finished than the rough tunnels above.
The walls were lined with square granite blocks, held together with thick mortar.
Massive iron pipes, as wide as tree trunks, ran along the ceiling, bound to the rock with heavy iron brackets every ten feet.
The floor sloped gently downward, covered in patches of black ice that cracked under Vaelgor’s heavy claws.
After fifty yards, the corridor opened into an enormous, vaulted chamber.
Kiran stopped in his tracks, staring up.
It looked like an ancient factory hall.
Dominating the center of the room was a massive machine made of dark, cast iron and green-tarnished bronze.
Two colossal pistons, each thick as a house pillar, stood vertical inside iron guide frames that reached forty feet to the ceiling.
Below them sat a giant walking beam made of bolted steel plates, frozen in place like a giant seesaw.
Huge iron pipes ran out from the base of the machine, diving straight down into a deep, circular stone pit in the center of the floor.
Around the edges of the room were long wooden workbenches, fallen racks of rusted iron wrenches, and stone basins filled with frozen oil.
“The Great Pump,” Torven murmured, his raspy voice echoing off the frozen iron walls.
“Built by human engineers four hundred years ago.
When the steam boilers were hot, this beast could lift twenty thousand buckets of ice-water out of the seventh seam every hour.”
Kiran walked slowly toward the giant machine, his boots crunching on the frost.
He reached out and placed his hand against the cold metal of the lowest piston housing.
The workmanship was incredible.
The iron was smooth, the rivets set in straight, perfect rows, and the brass grease-cups were shaped with clean, careful angles.
It wasn’t the crude, melted stone work of dragons.
It was human engineering—heavy, stubborn, and built to last forever.
“My dad would lose his mind in here,” Kiran whispered to himself.
“Your father would freeze,” Vaelgor muttered, walking over to a shallow alcove in the wall where the stone looked dry.
The big drake curled his body into a tight circle, trying to tuck his nose under his good wing to keep the freezing air out of his lungs.
Ignis immediately ran over and wedged himself right into the curve of Vaelgor’s belly, shivering.
“It’s so cold, Vaelgor.
Make a fire.”
“I cannot make fire here,” Vaelgor growled softly, his eye half-closed.
“The draft down this hall is too strong.
If I blow a flame, the sudden heat on this frozen stone will crack the ceiling blocks right over our heads.”
Kiran walked over to the dry alcove, sitting down cross-legged on a pile of rotten canvas sacks.
The cold was creeping into his legs.
He didn’t complain.
He closed his eyes, sat up straight, and focused on his breath.
Pull the cold air in.
Don’t let it freeze the throat.
Drive it down.
He drew a long, slow breath through his nose.
The air felt like swallowing crushed ice.
But the moment the cold draft reached the pit of his belly, that stubborn ember behind his navel flared up.
It was like throwing dry twigs onto hot coals.
The heat inside his gut didn’t just resist the cold; it consumed it.
The dense warmth rolled out through his ribs, traveling along his spine, down his thighs, and straight into his shins and forearms.
The cold-iron bracers strapped to his arms grew warm against his skin, holding the heat tight against his bones.
[JYOTI]
Environmental Stress: Sub-zero temperature.
Iron Breath (First Stanza): Actively resisting external chill.
Marrow temperature: Stable at 37°C.
Progress: 16.5%…
17.2%…
Physical resilience: Increasing under thermal contrast.
Kiran let out a breath.
A long, steady stream of white steam puffed from his lips, hanging in the cold air like a ribbon.
He felt warm.
Not sweating, but solidly, deeply warm from the inside out.
“Torven,” Kiran said, opening his eyes.
The old, wingless drake was lying near the base of the giant pump, resting his heavy chin on a frozen wooden timber.
“What is it, boy?”
“Where does the water from this pit drain to now?” Kiran pointed to the deep, circular shaft under the machine.
“Nowhere,” Torven rasped.
“The boilers have been dead for three centuries.
The water pools at the bottom of the pit, fifty feet down.
It freezes into a solid plug of black ice.”
“Then what is that humming sound?”
Torven went completely quiet.
The old dragon slowly lifted his head, his cloudy green eyes turning toward the dark opening of the drainage pit.
In the silence of the room, beneath the faint whistling of the cold draft, the deep thrum was louder now.
Thump…
thump…
thump…
One heavy beat every four seconds.
It wasn’t coming from the machine.
The giant iron pistons were cold and locked in rust.
The sound was coming from deep inside the pit—traveling up through the frozen pipes from the black depths below.
“That,” Torven whispered, his voice trembling with a chill that had nothing to do with the frost, “is not the pump.”
Ignis poked his head out from Vaelgor’s scales, his orange eyes wide with fear.
“Then what is it?”
Torven looked at Kiran, his throat working swallows of dry air.
“The gate in Sector 7,” the old drake said softly.
“The Threshold.
It breathes.”