The mud in the deep drainage tunnel was freezing cold, but it felt like a soft cushion compared to the hard iron blades of the fan they had just escaped. Samar lay on his back for several minutes, listening to the muffled, angry roar of the steam pipes behind the thick concrete wall. High above them, the ventilation shaft was still screaming with pressure, but down here, the air was quiet. It was a heavy, dead sort of quiet that only existed at the very bottom of the city.
With a low groan, Samar pushed himself up. His left leg was completely numb at first, a cold weight that refused to obey his brain. He had to use his hands to drag his leg out of the thick, black mud. He sat up and immediately reached for the mahogany box slung across his back. He checked the thick leather straps, his fingers trembling from the cold. The box was wet and covered in grease but it was still whole. He carefully unlatched the lid just a fraction of an inch. Inside, the dark glass hand of Lady Evelyn lay perfectly still, its tiny blue veins pulsing in a slow, steady rhythm.
"Ira," Samar called out. His voice was a dry whisper, barely carrying through the dark tunnel. "Ira, are you alright?"
A few feet away, a small patch of blue light flared in the darkness. The ghostly glow came from beneath a wet, mud-stained oilskin cloak. Ira slowly rolled over, letting out a sharp gasp as she sat up. She held her left arm against her chest, her right hand wrapping tightly around her crystallized forearm. Under the faint blue light, her pale face was covered in streaks of black soot, and her amber eyes looked wide and glassy.
"I am alive," she panted, her teeth clicking together from the damp chill. "But I cannot feel my hand at all. It feels like someone has bolted a heavy piece of iron to my shoulder. The steam... the energy in that shaft was too strong. It made the glass crawl further up my arm."
Samar dragged himself over to her, his boots squelching in the thick mud. He knelt beside her, ignoring the sharp pain that was slowly returning to his bad knee. "Let me see it," he said.
Ira hesitated, then slowly pulled back her wet sleeve.
The glossy, dark crystal surface had crawled past her elbow now, stopping just a few inches below her shoulder. Under the faint light of her own arm, Samar could see that the boundary where the glass met her human skin was red. The skin was tight and swollen, looking like a burn. Inside the black glass, the tiny, microscopic blue lines were pulsing faster than before, matching the frantic beat of her heart.
"It is cold," Ira whispered, staring at her own arm with a look of quiet horror. "But inside, it feels like it is on fire. It is a strange, empty kind of pain Samar. Like my arm is there but it belongs to someone else."
"We need to keep moving," Samar said, his voice flat but gentle. He did not want her to panic. He had seen what panic did to people in the dark, and down here, panic was a quick way to die. "The cold air down here will help with the swelling. But we cannot stay in this mud. The water in these canals is filled with chemical runoff from the upper refineries. If it gets into our cuts then we won't need the Glass Rot to finish us."
He stood up, using a rusty iron pipe on the wall to pull his weight up. His bad leg buckled for a second, a sharp, white-hot needle of pain shooting straight into his hip but he gritted his teeth and forced himself to stand straight. He reached down with his right hand and helped Ira to her feet. She was light, but she swayed unsteadily, her boots slipping on the wet concrete floor.
"Which way?" she asked, leaning against him for support.
Samar looked down the tunnel. To their left, the drainage canal went deeper into the darkness, the water flowing toward the massive central pumps of the Sub-Basin. To their right, the concrete wall gave way to an old, arched brick tunnel. Along the floor of the brick tunnel, two thin lines of rusted metal ran into the dark. They were old iron rails, half-buried in the mud and coal dust.
"The mining tracks," Samar said, pointing his finger toward the rails. "Jayan was right. Forty years ago, before the Ministry built the automated elevator shafts, they used these tracks to haul the raw ore out of the deep lines. If we follow these rails, they will lead us past the active industrial sectors and straight to the old junction."
"And Jayan?" Ira asked, her voice shaking slightly as she walked beside him. "Do you truly think his theatrical tricks worked? Do you think he is still safe up there?"
Samar did not look back. He kept his eyes locked on the rusted rails ahead, his mind calculating their pace. "Jayan is a showman, Ira. He knows how to make people look where he wants them to look. He had his flash powders and his theater tricks. If anyone can make those iron masks chase their own shadows, it is him. But we cannot afford to look back. If we stop, his sacrifice means nothing."
"He did not do it for his plays, Samar," Ira said quietly, her breath forming a faint white mist. "He did it because he believes in what we are doing. He knows you are the only one who can actually expose the Ministry, and he knows I am the only one who can hear the voice inside the Aetheria."
"We are both just trying to survive, Ira." Samar muttered, his voice rough. "The Ministry does not care about beliefs. They only care about control. If we want to survive, we have to find this Alchemist. What do you actually know about him? You said he deals in the dark fluid, but who is he?"
Ira adjusted her wet cloak, her right hand holding her heavy silent left arm. "The smugglers call him the Alchemist, but the older miners call him the Weaver. They say he was once one of the High Ministry's chief scientists, working in the central laboratories forty years ago. He was there during the Great Collapse, when the first deep lines were flooded with raw Aetheria. They say he refused to abandon the research when the Ministry ordered the shafts sealed. He stayed down here, in the dark, and changed."
"Changed how?" Samar asked, his detective mind filing away every detail.
"They say he became obsessed with the pure fluid," Ira explained. "The Ministry refines the blue Aetheria to make it safe for the lamps and the engines, but the Alchemist believes the refinement process destroys the fluid's soul. He harvests the raw, unrefined dark strain. The one that carries the raw thoughts of the sleeping god. He doesn't sell it to power machines, Samar. He sells it to people who want to hear the whispers. He sells secrets."
"Secrets," Samar repeated, his eyes narrowing in the darkness. "The Ministry would execute anyone caught with unrefined fluid. If he has been down here for forty years dealing in the dark strain, he must have a network. He must have people protecting him from the inside."
"He does," Ira said, her amber eyes reflecting the dim blue light of her arm. "The smugglers bring him supplies, food, and copper parts. In return, he gives them highly concentrated Aetheria compounds that can bypass the Ministry's filters. But he is paranoid, Samar. He doesn't trust anyone who wears a badge, or anyone who used to wear one. If he thinks you are here to arrest him, he will dissolve us in an acid vat before we can even speak."
"I am not an Inspector anymore," Samar said, his voice flat. "I am a fugitive. Just like you. Once we get past these gates, the Ministry will treat us both as active biohazards. If the Alchemist wants secrets I have plenty of Ministry secrets to trade."
They walked in silence for several minutes, the rhythmic sound of their boots against the old wet bricks echoing through the narrow tunnel. The ceiling was low, forcing Samar to keep his head bowed to avoid the thick, green-rusted copper pipes that dripped mineral-heavy water onto their shoulders. The air grew steadily colder carrying the sharp, metallic smell of old iron and wet coal.
"Samar," Ira spoke up, her voice breaking the heavy quiet. "How do you know so much about the internal mechanics of this place? I thought you were always just a tracker. A lawman."
Samar let out a short, dry laugh. "Forty years ago, before the Ministry expanded the Iron Wing, every apprentice had to start in the boilers. I was young, and I actually believed the High Ministry was building a paradise. I helped install the first-generation pneumatic logic systems for the security barriers in District 12. I spent three years drawing blueprint diagrams, smelling of ammonia and fresh ink. I memorized every valve, every piston, and every pressure gauge."
"Why did you leave?" Ira asked.
"Because I realized the paradise was built on a graveyard," Samar said, his voice dropping to a low, quiet tone. "I saw the reports of the miners who went down into the deep lines and never came back. The Ministry called them industrial accidents, but I saw the work orders. They were ordering thousands of custom-made lead coffins. I realized they weren't building a city; they were building a massive, steam-powered prison. So I joined the police division. I thought if I couldn't stop the machine, I could at least protect the people caught in the gears."
"And did you?" Ira asked softly, looking up at him.
Samar did not answer immediately. He stared at the rusted rails beneath his feet, his mind traveling back to the cold, empty room of his apartment, to the silver pocket watch that had remained silent for three years, and to the memory of Esha's vanishing. "No," he said finally. "In the end, the gears always win. But this time, I am going to jam them."
They turned a sharp corner, the narrow brick tunnel opening up into a massive, cavernous chamber. The ceiling was hidden in the absolute darkness above, but the faint blue light from Ira's arm revealed giant, rusted iron structures clinging to the stone walls like the skeletons of prehistoric beasts. These were the old coal loaders, massive mechanical chutes that had once fed the steam-powered trains of the early empire.
Along the floor, the two rusted rails split into a dozen different tracks, forming a confusing maze of iron and wood that vanished into various dark tunnels.
"We need to be careful here," Samar warned, stopping at the edge of the tracks. He pulled out his tarnished silver pocket watch and clicked it open. Tick-tick-tick. The steady, stubborn sound of the mechanical hands was the only normal thing in this world. "The old maps of this sector are highly classified. The Ministry abandoned these tracks during the Great Collapse forty years ago, but they did not leave them open. They sealed the main junctions with heavy security gates to keep the miners from returning to the flooded sectors."
"The Iron Gates," Ira said, her eyes narrowing as she scanned the dark cavern. "The older smugglers talk about them. They say the gates are made of solid, reinforced iron, five inches thick. They say the Ministry runs them on independent steam lines that never shut down. If you do not have the right keycard, you have to turn back or starve in the dark."
"I do not have a keycard," Samar said, clicking his watch shut and sliding it back into his coat. "But I have something better. I have the memory of how this city was built. The Ministry is lazy, Ira. They do not like to invent new things when the old ones still work. They use the same master override codes for their security systems, even forty years later. If the gate's mechanical brain is still running on the old pneumatic lines, I can open it."
"And if it isn't?" Ira asked, her voice tight with tension.
"Then we will find out how hot the steam vents can get," Samar replied grimly. "Come on."
They walked down the central track, their boots cruniching loudly on the dry coal dust. The air was getting progressively colder, and their breath came in thin, white plumes of mist in the dark. Every few steps, Samar had to pause to let the sharp pain in his knee subside, but he refused to slow down. The ticking of his pocket watch felt like a countdown, a reminder that the Ministry's quarantine was already closing around District 9.
Before Samar could speak, the rusted mining tracks ended abruptly.
Ahead of them, the cavern narrowed into a massive, arching stone doorway. Blocking the doorway was a terrifying barrier of dark, heavy iron.
It was the Iron Gate.
The gate was colossal, spanning fifteen feet wide and rising twenty feet high to meet the curved stone ceiling of the tunnel. It was made of thick, reinforced iron plates, bolted together with giant, hexagonal rivets that had rusted to a dark, blood-red color. Across the center of the gate, three massive iron locking bars, each as thick as a man's thigh, were slotted into heavy stone brackets built directly into the bedrock.
From the cold iron frame, a low, rhythmic hiss-click, hiss-click echoed through the cavern, accompanied by the deep, heavy vibration of high-pressure steam running through the internal locking mechanism. A thick copper pipe ran down the side of the stone wall, feeding a steady stream of hot, boiling condensation into the gate's mechanical brain.
On the right side of the stone wall, a heavy brass housing was bolted into the brickwork. It was the security terminal.
The brass housing was covered in decades of green rust, soot, and wet grime. A small, circular glass window on the front of the terminal showed a series of tiny, mechanical dials and spinning brass gears that clicked in unison with the gate's breathing. Below the window was a heavy, vertical iron lever and a row of twelve thick, square brass buttons, each engraved with a different symbol of the Ministry’s central divisions.
Samar walked up to the terminal, his boots squelching in the wet soot. He raised his hand, his rough, scarred fingers brushing away the thick layer of grease from the brass buttons.
"This is it," Samar said, his eyes scanning the ancient symbols. "A first-generation pneumatic logic lock. It runs on the central steam pressure of the primary boiler lines. If we enter the wrong sequence, the valves inside will lock permanently, and the system will release a high-pressure jet of superheated steam from the ceiling vents to incinerate whoever is standing here."
Ira stepped back, her pale face looking incredibly small under the massive shadow of the iron gate. She held her glowing arm close to her chest, her amber eyes wide with tension. "Can you do it, Samar? Do you remember the code?"
Samar did not answer. He closed his eyes, his mind traveling back forty years to the cold, sterile drafting rooms of the High Ministry. He could see the blue blueprint papers, smelling of ammonia and fresh ink. He could hear the voice of his old supervisor, a strict, silver-haired highborn who used to cane the apprentices if their calculations were off by even a millimeter.
“The security of the empire relies on the logic of the steam, Verma,” his supervisor’s voice echoed in his memory. “The logic never changes. The master override is always the sequence of the foundation.”
"The foundation," Samar muttered to himself.
He opened his eyes and looked at the twelve brass buttons. Each button represented a different department of the Ministry: the Iron Wing, the Treasury, the Refineries, the Archives, and others. He reached out his right hand, his fingers hovering over the cold brass.
"Oakhaven was built on three pillars," Samar said aloud, his voice steady but tense. "The first was the Refineries, to harness the god-fluid. The second was the Iron Wing, to enforce the order. And the third was the Archives, to lock away the truth."
He pressed the first button—the symbol of a stylized gear, representing the Refineries.
With a loud, metallic clunk, a small brass dial inside the terminal's window spun rapidly, stopping on a red line. A deep hiss of steam escaped from the bottom of the housing, warming Samar's wet leather gloves.
He did not hesitate. He pressed the second button—the symbol of a double-headed falcon, representing the Iron Wing.
Another clunk echoed through the cavern. The second dial spun, locking into place. The vibration inside the terminal grew louder, the brass gears spinning with a high-pitched, whirring sound.
"Now the final one," Samar whispered. His heart was hammering against his ribs, his breath coming in shallow, tense gasps. He knew that if his calculation was wrong, the ceiling vents would open, and they would be boiled alive in seconds.
He pressed the third button—the symbol of a closed book, representing the Archives.
The terminal went completely silent.
For three long, agonizing seconds, the gears stopped spinning. The rhythmic hiss-click of the gate died away, leaving only the sound of the dripping water in the cavern. Samar held his breath, his hand resting on the cold brass housing, his body tensed to throw himself over Ira if the steam vents opened.
Then, a deep, mechanical groan vibrated through the stone floorboards.
Inside the brass housing, a small, blue-stained glass indicator flared to life, casting a sharp light across Samar’s lined face. With a loud, deafening screech of metal against metal, the three massive iron locking bars began to slide slowly back into the stone brackets.
The steam lines inside the gate hissed violently, venting giant clouds of hot white mist that filled the stone doorway.
"It worked," Ira gasped, her voice filled with a mixture of disbelief and immense relief.
"Not yet," Samar said, grabbing the heavy iron lever on the side of the terminal. "The locking bars are open, but we have to manually release the hydraulic counterweights to swing the gate."
He wrapped both hands around the cold iron lever. He planted his good right foot firmly against the wet brickwork, letting his upper body carry his weight to protect his bad knee. "Help me," he growled through his clenched teeth.
Ira rushed forward. She wrapped her right hand around the lever right above his, her small fingers gripping the metal with surprising strength. She could not use her crystallized left arm, but she pressed her shoulder against his chest, throwing her entire body weight into the pull.
"Together!" Samar shouted.
With a collective, desperate roar, they pulled the lever down.
The iron lever clicked into place with a sharp, heavy snap. Deep inside the stone walls, giant copper chains began to rattle, their links grinding against old grease as they pulled the massive iron gates open.
The colossal door creaked, its bottom edge scraping loudly against the wet brick floor as it slowly swung inward.
A sudden blast of air hit them in the face.
It was not the cold, damp air of the drainage tunnels. This air was different. It was hot, thick, and heavy, carrying the intense, sweet aroma of raw Aetheria mixed with the bitter smell of sulfur and chemical oil. The faint blue light of Ira’s arm was instantly swallowed by a deep, pulsing orange glow that came from the tunnel beyond the gate.
"The deep lines," Ira whispered, staring into the glowing orange abyss.
Samar let go of the lever, his muscles screaming in protest from the strain. He checked the mahogany box on his back one final time making sure the wet canvas sack was secure. He pulled his heavy revolver from his coat pocket, his fingers wrapped tightly around the cold wooden grip.
"We are past the Ministry's clean doors now, Ira," Samar said, his eyes reflecting the orange light of the deep tunnels. "From here on, there are no laws, and there are no badges. There is only the dark."
"I am ready," she said, her amber eyes bright and determined in the glowing mist. She pulled her wet cloak tighter around her crystallized arm, hiding the blue light as they stepped through the stone archway.
Behind them, with a heavy, final thud, the colossal iron gate began to swing closed. The automated steam lines hissed as the massive locking bars slid back into place, sealing them into the deep, silent throat of the underworld.