Chapter 163: The Nest Below
By sunset, the field east of the ruined watchtower no longer resembled farmland.
Atlas trucks had formed a rough perimeter around the chosen site, their heavy bodies positioned to block the narrow approaches while leaving enough space for personnel and equipment to move between them. Portable floodlights stood at each corner, still dark while daylight remained, and engineers had already begun laying cables between generators, communication posts, and the temporary command tent at the center. Infantry squads occupied shallow defensive positions facing the tower, the road, and the surrounding fields, while Cedric’s riders maintained a wider cordon to keep curious villagers away.
The speed of the transformation unsettled Captain Garran.
He had seen military camps raised before. Noble armies could establish tents, cook fires, horse lines, and wooden barriers in less than a day if officers pushed hard enough. Atlas worked differently. Nothing seemed placed without a measured purpose. Vehicles became walls, equipment crates became workstations, and marked lanes appeared across the grass so soldiers carrying supplies never collided with medics or engineers. By the time the sun touched the western hills, the field had become a forward operating base rather than a camp.
Marcus stood beneath the command tent with Cedric’s map spread across a folding table. Colored markers showed the watchtower, the old mill, and the stone bridge, while fresh pencil lines represented possible underground routes based on the structures’ age and direction. The map remained mostly guesswork, but it was better than the blank page they had possessed that morning. Engineers moved around him with new readings while drone operators brought aerial photographs showing shallow depressions, broken drainage lines, and areas where vegetation grew differently from the surrounding fields.
Tomas entered carrying a clipboard covered in mud. "Outer perimeter is secure. Garran’s men cleared the nearest farms and closed both ends of the road. No civilians within one kilometer."
"Any trouble?"
"Complaints, mostly. One farmer refused to leave until he saw the Collector armor sample."
Marcus looked toward the sealed container resting beneath a shaded table near the medical truck. "That convinced him?"
"He left his plow in the field and ran."
Reasonable.
Rolf followed Tomas into the tent, holding a bowl of stew in one hand and a piece of bread in the other. "I’d like to report that the forward kitchen is functional, which makes this our most successful operation so far."
Tomas looked at the food. "Where did you get that?"
"The cooks."
"They haven’t opened the evening meal."
Rolf took another bite. "They respect initiative."
Marcus ignored them and looked toward the engineers gathering at the far side of the table. "What do we have?"
The lead engineer, Sergeant Cole, placed three sheets of rough diagrams on the map. "The tower cellar joins a main passage running east and west. The western section appears collapsed within fifty meters. The eastern route continues beneath the road and likely splits farther ahead. We also found two narrow voids below the first chamber that may connect to lower levels."
"How deep?"
"Unknown. Our portable equipment only gives reliable readings through the first twenty meters of soil and stone."
Cole moved another diagram forward. It showed the road as a dark line above several uneven cavities. "There is a larger passage directly beneath the north field. It doesn’t connect to the tower through any route we confirmed, but it may be part of the same network. We detected airflow through three sink points near the old wall."
Marcus studied the markings. "Ventilation shafts?"
"Possibly natural cracks widened by construction. The air is warmer than surface temperature and contains elevated moisture. Oxygen levels remain normal near the openings."
That was useful.
Normal oxygen near the surface did not guarantee safe conditions deeper below, but it meant the network had active airflow. If the Collectors lived there in significant numbers, they needed ventilation too.
"What about the mill and bridge?"
"Second engineering teams deploy at dawn. We didn’t want to split our security before this position was stable."
Marcus nodded. "Good decision."
Cole hesitated before continuing. "There’s one more thing. The rubble sealing the tower entrance has shifted."
Tomas’s expression hardened. "Since the demolition?"
"Yes. Only slightly, but enough to confirm movement from below. They’re testing the collapse."
Rolf stopped eating.
Marcus looked toward the ruined tower visible beyond the tent opening. The broken structure stood against the orange evening sky, quiet beneath the watch of two infantry positions. Nothing moved among the stones. That no longer meant anything.
"Place seismic sensors around the hill," Marcus said. "If they begin digging toward another exit, I want warning before the ground opens beneath this base."
Cole nodded and left with his team.
Selvar and the other Underroad survivors occupied a separate medical shelter beside the second truck. They had eaten cautiously, accepted clean clothing, and allowed Atlas medics to examine them, though none had truly relaxed. Their eyes followed every armed soldier who passed. People who spent years hiding from lords, guards, creditors, and subterranean creatures did not learn trust in an afternoon.
Marcus found Selvar sitting on an equipment crate outside the shelter. The man wore a borrowed shirt and trousers that hung loosely on his thin frame. He held a warm cup between both hands, though he seemed more interested in the steam than the drink itself. The young woman who had carried the lantern sat nearby, speaking quietly with another survivor.
Marcus pulled over a second crate and sat across from him.
"How long were you below?"
Selvar looked toward the darkening sky. "Nine years without coming above."
Marcus waited.
"I entered the Underroad when I was twenty-three," Selvar continued. "I owed money to a merchant house in Greyhaven. My father borrowed for seed after two poor harvests, then died before repayment. The collectors of debt came for the farm. They would have taken my younger sisters into service, so I attacked one of them."
"Did you kill him?"
"No. I broke his jaw. That was enough."
Selvar smiled without humor. "I fled before Cedric’s guards could arrest me. A smuggler brought me to the tower and showed me the lower route. I expected thieves. Instead, I found families."
"How many?"
"When I arrived, almost two hundred lived across the upper passages."
Marcus’s expression remained still, though the number surprised him. "At one site?"
"No. There were four refuges connected by old roads underground. Tower Refuge. Millhome. Low Bridge. And South Vault."
The names matched the disappearance sites too closely to be coincidence.
"What happened to them?"
Selvar looked into his cup. "The Collectors happened."
The creatures had always existed beneath the Underroad, but years ago they rarely climbed beyond the deepest ruins. Settlers heard them in distant passages and occasionally found old bones near blocked corridors. The refuge leaders marked dangerous routes, sealed doors, and taught children never to follow clicking sounds. For decades, the arrangement held.
Then the deeper walls began opening.
At first, only scouts disappeared. A hunter entered an abandoned passage and never returned. Two months later, a maintenance group vanished while clearing a flooded drain. The Underroad responded by sealing more routes, but each barrier lasted less time than the one before it. The Collectors learned where people lived, how they moved, and which tunnels they used for food and water.
"They did not attack like animals," Selvar said. "They waited near routes. They cut off groups. They scratched at walls for days until people grew tired, then stopped. When guards slept, they came through another passage."
"How many refuges remain?"
Selvar’s jaw tightened. "Tower Refuge fell two years ago. South Vault disappeared last winter. We lost contact with Millhome three months ago. Low Bridge was still alive when we sent our last runner."
"Where were you staying?"
"A supply room between the old tower and Millhome. We kept it hidden because the Collectors followed larger groups. We thought staying small would protect us."
Marcus glanced toward the survivors. "How many were with you originally?"
"Thirty-one."
Only five had come out with Atlas.
The difference did not need explanation.
The young woman beside him spoke without looking up. "They took my brother."
Her name, Marcus had learned, was Nella. She was twenty-seven and had lived below since childhood. Unlike Selvar, she had not fled into the Underroad. She had been born there.
"When?" Marcus asked.
"Six days ago."
That was recent enough to matter.
"Alive?"
"Yes."
"You saw him taken?"
Nella finally looked at Marcus. "The Collectors use hooked arms to hold people. They do not bite unless someone fights too hard. My brother was alive when they carried him into the lower route."
"Why take people alive?"
Neither survivor answered.
Marcus tried another question. "Have you ever followed them?"
Selvar’s expression changed. "Once."
The answer came quietly.
Years earlier, after three children vanished near a water chamber, the Underroad sent twelve armed residents into the deeper levels. Selvar had been among them. They followed drag marks, broken lanterns, and droplets of blood through tunnels older than any refuge. The route descended for hours before reaching a cavern so large their lights could not reveal the ceiling.
"What was inside?" Marcus asked.
Selvar’s hands tightened around his cup. "Columns."
"Natural?"
"Some. Others were carved. Old buildings stood inside the cavern, buried beneath stone. Bridges crossed cracks with no bottom. There were roads wide enough for twenty wagons."
A buried city.
Or an ancient underground complex.
Marcus thought of the old watchtower, mill, and bridge above. The surface ruins might have been only access points to something far older beneath them.
Selvar continued. "We found the missing children’s clothes near a black tunnel. We heard clicking from every direction. Our leader ordered retreat, but the Collectors came from holes in the walls. Three of us returned."
"What did you see before retreating?"
Selvar closed his eyes briefly. "A chamber filled with pale shells. Hundreds. Maybe thousands. Some were small enough to carry in one hand. Others were larger than horses. And beyond them..."
He stopped.
Marcus waited.
Nella looked at Selvar with the same fear she had shown inside the tunnel.
"What was beyond them?" Marcus asked.
Selvar’s voice dropped. "Something breathing."
Rolf had approached during the story and now stood several paces away, his empty bowl forgotten in one hand. Tomas arrived beside him without speaking.
Selvar continued. "We could not see it. The chamber was too large, and our lanterns were weak. But every breath moved the air. The Collectors gathered around it. They carried bodies toward the sound."
"The Nest Below," Nella whispered.
Marcus looked toward her.
"That is what our elders called it," she said. "The place where the first Collectors came from. Some said a queen lived there. Others said it was a god under the earth."
Rolf rubbed his face. "Of course there’s a queen."
"We don’t know that," Tomas said.
"There’s always a queen."
Marcus ignored them. "How far from the tower?"
Selvar shook his head. "Distance below does not match distance above. Passages curve. Some collapse. Others descend and rise. It took us almost six hours to reach the outer cavern."
That made immediate rescue more difficult.
Atlas could not rush six hours underground with uncertain air, hostile creatures, and no reliable communications. The missing civilians might already be deeper, but an unprepared descent would create more captives rather than save them.
Marcus stood. "I need every route you remember drawn before morning."
Selvar looked toward him. "You mean to go down."
"Yes."
"You saw only two."
"I saw enough."
"No." Selvar rose too quickly and nearly spilled his cup. "You saw hunters near the surface. The deep ones are larger. Some have armor thicker than shields. Some crawl across ceilings without sound. Some release dust that makes men sleep."
That last detail drew Tomas’s attention. "Airborne toxin?"
"We called it sleep dust. Those who breathed it collapsed. Some woke. Some did not."
Marcus filed it away. "Anything else?"
"Water becomes bad near the lower chambers. Metal rusts quickly. Flames change color in some tunnels."
Gas.
Minerals.
Fungal spores.
Potentially magic.
Underground operations had just become more complicated again.
Marcus looked toward the temporary command post. "That is why we prepare."
Selvar stared at him as if trying to decide whether Atlas courage was impressive or suicidal. "The old kingdom prepared too."
"What happened?"
"They sealed the roads and buried every entrance they could find."
That explained the rubble.
The tunnels had not been forgotten by accident. Someone had deliberately erased them from the surface.
Marcus returned to the command tent as the floodlights came alive around the forward base. White beams pushed back the evening darkness, illuminating trucks, soldiers, cables, and equipment stations. The ruined tower stood at the edge of that light, its empty windows facing the field like dark eyes.
A fresh planning session began within minutes.
The mission changed from immediate pursuit to deliberate underground reconnaissance. Marcus divided the operation into phases. Engineers would map the shallow network and establish secure relay points. Infantry would clear only enough territory to create a protected route. Medical personnel would monitor breathing, exposure, and fatigue. No one would descend without a safety line, spare light, and emergency air.
The equipment list grew quickly.
Portable generators.
Floodlights.
Radio repeaters.
Gas detectors.
Breathing masks.
Climbing harnesses.
Ropes.
Hydraulic breaching tools.
Compact cutting equipment.
Thermal cameras, though their usefulness through thick stone would be limited.
Shotguns for close-range stopping power.
M4 carbines with shorter configurations for narrow passages.
Heavy machine guns would remain near the entrance because carrying them through tunnels would slow movement too much. Explosives were authorized only for controlled breaching or emergency collapse. Nobody wanted to bring half the hill down on top of the missing civilians.
Rolf studied the growing list. "You forgot one thing."
Marcus looked at him.
"A very long ladder leading back to daylight."
Tomas continued writing without reacting. "Bring your own."
The Underroad survivors produced their first map after midnight.
It was rough, drawn across several joined sheets and based on memory rather than measurement. Even so, the network immediately revealed its scale. Tower Refuge connected to three storage chambers, a water channel, and a route toward Millhome. Millhome connected south toward Low Bridge and descended through two sealed gates into older passages. South Vault lay farther east beneath abandoned farmland and had once served as the largest refuge.
Nella marked the known Collector routes with black crosses.
There were dozens.
Selvar marked the last known location of his missing brother and the other residents from their group. It lay along the path toward Millhome, not yet within the deepest levels.
That gave Marcus a first objective.
Reach Millhome.
Search for survivors.
Confirm whether the missing Greyhaven captives passed through the refuge.
Establish a secure underground staging point.
Only after that would Atlas decide whether to descend toward the Nest Below.
The forward base remained active through the night. Engineers placed sensors around the tower hill and detected several faint movements beneath the rubble, but nothing approached the surface. Infantry rotated watch every two hours. Cedric’s guards carried evacuation orders to nearby farms and villages. Drones mapped the terrain under moonlight while analysts searched for sinkholes, old wells, and forgotten foundations that might hide additional entrances.
Shortly before dawn, a helicopter approached from the west.
Rescue One descended into the field carrying additional equipment from Atlas Base. Its rotor wash flattened the grass and sent Cedric’s horses into nervous movement along the outer perimeter. Ground crews unloaded breathing systems, relay equipment, specialized lights, and sealed ammunition crates before the aircraft lifted away again.
The Underroad survivors watched from the medical shelter.
Nella stared at the helicopter until it vanished beyond the eastern sky.
"You truly came from above," she said.
Rolf stood nearby adjusting the straps on a new pack. "We try to avoid walking when possible."
She looked at the heavy equipment around him. "And now you choose to go below."
His expression became less amused. "People are missing."
That answer seemed to surprise her.
Perhaps she expected payment, orders, or ambition. Those things existed. Atlas had a contract. Marcus had accepted three million kinah for the investigation. Yet no amount of money would make sensible men volunteer for an unmapped underground nest unless something else mattered too.
By sunrise, the first expedition was ready.
Marcus had selected Tomas, Rolf, eight infantrymen, two engineers, one medic, and Selvar as guide. Nella wanted to join, but Selvar refused before Marcus could answer. She argued that she knew Millhome better than he did. He replied that if they both died, no one would remain to guide a second team.
Marcus settled the argument by keeping her at the forward base as map support.
The team gathered near the ruined tower while engineers reopened a narrow access route through the collapsed cellar. The demolition had sealed the upper passage, but a controlled cut through the side wall created a new entrance protected by steel supports and a reinforced hatch. Floodlights illuminated the first stairs. A thick cable ran down beside them, carrying power and communication lines into the darkness.
Marcus stood at the entrance with his helmet secured and rifle hanging across his chest. A breathing mask rested near his collar, ready if the gas detectors showed danger. Every soldier carried two independent lights and enough supplies for twelve hours underground.
Tomas checked the team one final time.
"Radios."
Each man confirmed.
"Lights."
Confirmed.
"Air."
Confirmed.
"Ammunition."
Confirmed.
Rolf looked down into the tunnel. "Regret."
Tomas stared at him.
"Confirmed," Rolf said.
Marcus turned toward Captain Garran, who stood beside the perimeter with Cedric’s guards. "If we lose communication for more than thirty minutes, do not send your men down. Notify Atlas Base and hold the entrance."
Garran frowned. "You expect to lose contact?"
"I expect the tunnels to interfere with everything."
"And if something comes up?"
"Close the hatch. Use fire only if necessary. Do not pursue."
The captain nodded.
Selvar stood near the top of the steps wearing borrowed protective equipment that fit him poorly but offered more protection than anything the Underroad had possessed. His face looked pale beneath the helmet straps.
"You can remain here," Marcus said.
Selvar shook his head. "You will not find Millhome without me."
"Maybe."
"You will choose the wrong passage within the first hour."
Rolf looked toward Marcus. "I vote we keep him."
Marcus motioned for Selvar to enter the line.
The expedition descended.
Daylight narrowed behind them as they passed through the reinforced hatch and entered the old cellar. Fresh support beams held the opened route in place. Electric lights now marked the first chamber, turning ancient stone and broken shelves into something almost ordinary. Beyond the last installed lamp, the corridor remained black.
The team paused at that boundary.
Ahead waited Millhome, the missing Greyhaven civilians, the Collector routes, and eventually the Nest Below.
Behind them waited daylight, reinforcements, and a world that still believed the land beneath its roads was empty.
Marcus switched on his rifle light.
The beam cut into the darkness.
"Move."
Atlas crossed the line and entered the Underroad.
Above them, the forward base listened through sensors and radios.
Below them, somewhere beyond the reach of light, a faint clicking answered their footsteps.
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