“Supreme Commander, show me whether yours can survive underground.”
The central gate shook again before I could answer.
A crack spread through the black stone surrounding its upper frame. Dust fell through the lower mine, and the pressure monitors jumped as the ancient structure absorbed another impact from the siege force gathering beyond it.
Queen Selkara pressed one hand against the tunnel wall. Red mana spread through the stone in branching lines, carrying information from the partially restored warning network.
General Teren Holtane remained at Founding Base One, coordinating the rest of our territory through the command channel.
“How much time does the gate have?” he asked.
Selkara closed her eyes and listened through the ancient structure.
“The diversion repair removed the reservoir pressure from the seal. Against an ordinary assault, it could survive several hours.”
Another impact moved through the mine.
The crack above the gate widened.
“They did not bring ordinary siege equipment.”
I expanded the underground tactical display.
The warning lattice showed several thousand contacts moving through deep passages beyond the gate. Layers of black stone and magical interference prevented an exact count, but the formations were too organized to be another monster horde.
“Tell me how they fight,” I said.
Selkara marked the three main routes leading toward the central seal.
“The army serves Demon King Raukhar Senn, ruler of the Ossurak War-Depths. He has contested Nhalzareth’s western tunnels since before I inherited the throne. His soldiers use layered infernal armor, tower shields, fire lances, curse bolts, and alchemical gas. Burrowers create passages around prepared defenses, while shadow scouts place anchors for short-range teleportation.”
A deeper contact appeared behind the first formation.
“That is likely a siege beast,” she continued. “Raukhar breeds them to carry living rams and armored towers through underground fortifications.”
“Can they teleport without an anchor?”
“Only over very short distances. Longer movement requires a prepared mark, a living scout, or a command seal connected to the shadow network.”
That became our first security concern.
The rupture rune had blinded Nhalzareth’s western warning system long before we entered Tarnwick. Raukhar’s agents might have crossed the upper mine while the Crown still controlled it.
“Security searches every tunnel, Crown building, abandoned house, cellar, and storehouse for shadow markings,” I ordered. “Nothing is destroyed before Intelligence records it. Counter-magic teams establish overlapping fields around the mine entrances, surface command post, evacuation road, and field hospital.”
Major Tomas Reddan passed the instructions to the close-protection and intelligence teams without leaving my side.
His responsibility remained my security. He would not abandon the surface command post to personally lead an underground assault unless the position itself came under attack.
Captain Rhydel Orst, commander of Special Operations Team Two, received responsibility for reacting to infiltrators inside the mine. He had worked under Reddan before deployment and spoke with the same controlled directness, though without Reddan’s habit of treating every request I made as the beginning of a security disaster.
Selkara highlighted the passages beyond the gate.
“The central route is wide enough for their siege beasts. The eastern branch connects to old furnace channels. The western passage reaches abandoned maintenance tunnels and may already contain shadow scouts.”
“Can your forces reach the central gate from below?”
“My pressure-wardens and two guard companies are already holding the Nhalzareth side. Three hundred and eighty-six soldiers remain combat-capable.”
“How many reinforcements can you move immediately?”
“Six hundred within forty minutes. More would require opening deeper transit seals and weakening defenses around inhabited districts.”
“Bring the six hundred in two groups. They remain inside the mine’s military exclusion zone under your command. No armed unit enters Tarnwick’s civilian district, surface warehouses, or command areas without clearance.”
Selkara’s eyes hardened.
“You are placing restrictions on soldiers coming to defend their own gate.”
“The gate lies beneath a settlement filled with my troops and civilians. Clear boundaries keep allies from becoming enemies when the tunnels fill with smoke.”
“My soldiers will not harm your people.”
“Then the restriction costs you nothing.”
Her wings shifted once behind her.
After a short silence, she nodded.
“Agreed.”
Administration recorded an emergency amendment to the Tarnwick Compact. Selkara retained authority over Nhalzareth troops. Lieutenant Colonel Oris Dault controlled the Tarnwick defensive sector. Joint positions required human and Deep-Court liaison officers, shared maps, recognized withdrawal signals, and strict target-identification rules.
The paperwork felt slow while something battered the gate beneath us.
It was still faster than resolving friendly fire after the battle began.
I contacted Holtane.
“How many system troops are already at Tarnwick?”
“One reinforced infantry battalion remained after the recovery operation, along with the armored security force and engineering detachments. Seven hundred and forty infantry are available for underground assignment after surface security is maintained.”
“Send the second battalion immediately.”
“It left Founding Base One when southern readiness was raised. Lead vehicles are twelve minutes from Tarnwick. The full battalion should arrive within twenty-five.”
That solved the reinforcement timing.
The first battalion would begin fortifying the upper mine while the second traveled along the secured military road. We would not summon a thousand underground troops out of empty corridors.
“Tarnwick also needs portable ventilation, hearing protection, blast shields, medical teams, fire suppression, and ammunition selected for confined spaces,” I said.
“Already loading from the southern depot,” Holtane replied. “Tanks remain on the surface. Armored carriers will secure the roads, entrances, and casualty routes.”
“Air Command?”
Sabine answered from Founding Base One.
“Surveillance aircraft are watching the southern mountains and every confirmed surface vent. Fighters are ready. Medical Command still refuses to let me fly.”
“You sound remarkably calm about that.”
“I am displaying maturity under extreme provocation.”
“Continue displaying it.”
Selkara listened while the army moved into place.
“You prepare for a surface assault as well.”
“Raukhar sabotaged Tarnwick before attacking the gate. I assume the underground force is not his only plan.”
“That assumption may keep your settlement alive.”
Chief Engineer Pavel Sorn expanded the mine layout.
Underground combat imposed restrictions our open-field weapons did not face. Blast pressure could rupture lungs, ignite vapor, collapse supports, and injure friendly troops around corners. Smoke and propellant gases accumulated unless ventilation kept working.
The founding arsenal contained reduced-backblast anti-armor weapons designed for confined spaces. Even those required cleared rear zones, portable blast shields, pressure-resistant firing positions, and crews trained to confirm that no friendly soldier stood behind the launcher.
Automatic grenade weapons could be used only in chambers large enough to prevent fragments from rebounding into our own lines. Heavy machine guns needed acoustic shielding, hearing protection, and mechanical ventilation to prevent crews from becoming deaf or suffocating in their own firing positions.
Every defensive sector required overhead reinforcement, breathing equipment, fire-suppression foam, emergency lighting, casualty routes, and a second way out.
Sorn identified three defensible zones.
The first lay directly behind the central gate. Its purpose was to identify the enemy, damage the siege force, and withdraw before becoming trapped.
The second occupied a quarry chamber roughly two hundred yards above the gate. It offered side passages, reinforced firing alcoves, and enough space to coordinate human firearms with Nhalzareth shield troops.
The final position stood near the main mine entrance. If that line failed, Raukhar’s army would enter Tarnwick’s surface district.
“We do not defend every yard,” I said. “The first line delays and observes. The second becomes the main killing zone. The final position protects Tarnwick.”
Dault marked the withdrawal routes.
“Charges can collapse the narrow approaches after each retreat.”
Selkara’s expression tightened.
“You intend to bury Nhalzareth passages.”
“If Raukhar captures them intact, they become his passages.”
“I will not permit damage to the central seal or pressure network.”
“Your engineers approve every demolition location. We collapse the upper access branches, not the gate or reservoir channels.”
One of Selkara’s pressure-wardens joined the communication circuit from below. His voice sounded like stone dragging across stone.
“The eastern support line can be broken without damaging the ancient works. The human proposal is sound.”
Selkara looked irritated that her own engineer agreed so quickly.
“Place the charges.”
Military engineers entered behind remote carriers. They installed cameras, seismic detectors, sound sensors, emergency lights, fiber communication lines, controlled demolition charges, and air-quality monitors.
Ventilation units drew smoke and toxic vapor toward sealed filters. Fire-suppression tanks stood behind armored partitions. Medical teams established casualty collection points beyond blast-resistant doors.
Reddan watched the preparation feeds beside me.
“Your class archive includes subterranean doctrine.”
“It includes the lessons collected from armies that survived long enough to write them.”
“Most doctrine is a list of mistakes that killed people.”
“That makes it useful.”
“Only if you believe it before repeating them.”
He continued monitoring my position while Captain Orst led the special-operations response teams below.
The first Nhalzareth reinforcements reached the central gate through side doors hidden within the black stone. They wore dark red and black armor made from overlapping plates, with helmets shaped to accommodate different horns.
Some looked nearly human. Others had gray, violet, red, bronze, or midnight-blue skin. A few had tails, folded wings, or eyes that glowed in the tunnel darkness.
They carried long spears, curved blades, tower shields, and compact magical launchers built around crimson crystals.
They did not wander or challenge the human troops entering the mine. Units moved directly into assigned sectors and waited for orders.
Their commander introduced herself through the liaison channel.
“Gate-Captain Veyshara Oln, First Nhalzareth Ward.”
She was tall, with cropped silver hair, dark violet skin, and one horn broken near its base. Cuts across her armor had been repaired rather than polished away.
Lieutenant Colonel Dault answered from the human command side.
“Oris Dault, Tarnwick field commander.”
Neither sounded happy about sharing the mine.
They did not need to like one another. They needed the same map and the same withdrawal signals.
Veyshara displayed the gate from the Deep-Court side. Red defensive lines covered its surface, and several had begun flickering.
“The enemy siege beast strikes every forty seconds,” she said. “Curse-bearers are weakening the upper-left seal.”
“Can your wardens reinforce it?”
“For several minutes at a time. The beast changes its mana pattern after each reinforcement.”
Raukhar’s army was adapting before it entered the battle.
“What does the siege beast look like?”
Veyshara changed the feed to a hidden crystal observer above the enemy corridor.
A six-legged reptilian creature occupied most of the passage. Iron plates had been bolted directly through its flesh. Chains connected its shoulders to a massive ram made from bone, dark metal, and living tissue.
Curse symbols appeared across the ram every time the creature charged.
Rows of shielded infantry waited behind it. Curse-bearers chanted from protected alcoves, while smaller creatures crawled across the walls and ceiling.
The small ones worried me more than the beast.
“Shadow scouts?” I asked.
Selkara nodded.
“They place teleportation anchors and mark weak structures for burrowers.”
“Can they reach the maintenance network around the gate?”
“Some can fit through openings a soldier cannot.”
I contacted Talden.
“Send irregular counter-magic pulses through the upper service network. The Nhalzareth wardens receive the schedule. The enemy does not.”
“The pulses will weaken our wards as well,” Selkara warned.
“Your people know when they are coming and can reinforce between them.”
The first pulse moved through the mine.
Three small contacts vanished from the maintenance sensors. One fell from the ceiling beyond the gate, revealing a narrow black body with too many limbs.
Veyshara’s soldiers killed it before it recovered.
A second scout had already entered the upper mine.
Security cameras detected movement inside an abandoned ventilation chamber behind the first defensive line.
Captain Orst sent four soldiers through separate passages while a remote carrier blocked the lower exit. The creature clung to the ceiling, almost invisible against the black rock.
Thermal imaging revealed its body.
It dropped toward the nearest soldier.
A short burst tore through its torso before it landed.
Black blood struck the wall.
The dead scout carried three thin metal plates engraved with shadow symbols.
“One anchor team confirmed inside the upper works,” Orst reported. “Assume others crossed earlier.”
Security teams searched Tarnwick’s abandoned buildings and found two markings beneath the floor of the former Crown records office.
One anchor had been completed.
The second remained unfinished.
The transmitting demon token carried by the refugees had not been the only infiltration tool. Raukhar’s agents had worked inside Tarnwick while the Crown still controlled it.
Whether Thalverin ignored them or failed to notice remained unanswered.
Orst placed the completed anchor inside a shielded containment box instead of destroying it.
“Could we use it against them?” I asked.
Selkara looked toward the feed.
“For what purpose?”
“To control where anyone using it arrives.”
The counter-magic team weakened the anchor without breaking the network connection. Engineers moved the contained plate into an empty stone storage chamber surrounded by reinforced walls, remote weapons, mana suppressors, and sealed exits.
If Raukhar tried to send troops through the existing route, they would appear inside a prepared trap instead of our command post or civilian district.
The next impact struck the central gate.
A section of the upper-left seal went dark.
“The gate will fail sooner than predicted,” Veyshara said.
“How long?”
“Less than forty minutes.”
The second system battalion reached Tarnwick eleven minutes later. Armored carriers unloaded infantry near the quarry ridge. Soldiers entered the mine carrying compact rifles, reduced-backblast anti-armor weapons, breathing masks, hearing protection, medical kits, and ammunition selected for enclosed spaces.
Launcher crews checked every rear danger zone before taking position. Portable blast shields stood behind the firing points, and ventilation hoses ran directly above them to remove smoke.
The mine-defense force eventually reached one thousand system soldiers, six hundred Nhalzareth troops, engineers, medics, and technical support. The number built gradually from the forces already stationed at Tarnwick and the battalion arriving from Founding Base One.
Additional troops remained on the surface as reserve and route security.
Selkara intended to enter the first defensive chamber personally.
Reddan objected from beside me.
“If the queen dies at the gate, coordination with Nhalzareth collapses.”
“She is not under my command.”
Selkara looked toward the nearest camera.
“I have defended this gate since before your nation existed.”
“And Raukhar prepared the assault specifically to kill you,” Reddan said.
Veyshara supported him.
“The major is correct, my queen. Your magic will be required at the second line to seal the maintenance passages and stabilize our retreat.”
Selkara stared at the display as though her officers had become infected by human insubordination.
After a moment, she folded her wings.
“I will command from the second chamber.”
Reddan nodded once.
“You are pleased,” she said.
“I prefer plans in which allied rulers remain alive.”
“Do not become sentimental.”
“I have not.”
The first line took position.
Nhalzareth shield troops stood closest to the gate because they understood the curse energy leaking through it. Human infantry occupied reinforced firing points behind them, where clear lanes allowed bullets to pass between shield formations.
Reduced-backblast launcher crews waited behind armored partitions with their rear zones cleared and marked. Engineers prepared demolition charges in the withdrawal corridor. Medics waited behind the second blast door.
The enemy ram struck again.
A crack opened through the center of the gate.
Black vapor seeped into the chamber.
Air alarms activated.
Every soldier sealed a mask or helmet.
Selkara identified the vapor as a fear curse. Anyone breathing it would experience memories of failure magnified until retreat felt like the only sensible choice.
Our filters removed the physical agent.
The magical component passed through.
Heart rates rose among the troops nearest the gate. Several Nhalzareth soldiers whispered prayers or tightened their shield grips.
Even at the surface command post, the curse pressed against my thoughts through the communication feed. I remembered the tribunal, the prison cell, and Rimegate’s doors closing behind me.
A part of me wanted everyone out of the mine immediately.
“Counter-magic pulse.”
Talden activated the nearest emitter.
The pressure weakened.
Nhalzareth’s wards dimmed with it, but the wardens had prepared for the timing. They restored the defensive lines when the pulse ended.
The gate cracked from top to bottom.
Veyshara lifted her shield.
“Prepare.”
The final impact broke the central seal.
Black stone sections exploded inward.
The living ram entered first, surrounded by curse fire and broken fragments. The armored siege beast drove behind it on six massive legs.
Nhalzareth shields locked together.
The ram struck them.
Three demon soldiers flew backward. One hit the wall hard enough to die immediately. Another vanished beneath the beast’s front foot.
The first launcher team confirmed its rear zone and fired.
The reduced-backblast weapon struck the beast’s face. Its outer plate split, while the curse field spread part of the explosion along its armored body.
A second launcher fired from an offset position after the first team cleared the lane. Its projectile hit the exposed joint below the front leg.
The limb folded.
The siege beast fell sideways and blocked half the broken gate.
Heavy machine guns opened on the infantry packed behind it.
Acoustic shielding and hearing protection reduced the damage to the crews, but the tunnel still magnified every shot into physical pressure.
Demon shields shattered under concentrated fire. Bodies piled against the fallen beast.
Raukhar’s troops answered with fire lances.
Red beams crossed the chamber and burned through the forward barricades. One system soldier lost his head before reaching cover. Another lance penetrated a Nhalzareth shield and killed the two soldiers behind it.
The medics could not reach them.
The first chamber became filled with smoke, blood, fire, and overlapping alarms.
Veyshara ordered her shield line forward rather than allowing the enemy to clear the dead siege beast.
Nhalzareth spearmen climbed onto its armored body and drove their weapons into the soldiers behind it. Human infantry fired through the gaps, shifting aim whenever allied troops crossed their lanes.
The coordination remained imperfect.
It prevented Raukhar’s first wave from establishing space inside the gate.
Shadow scouts moved across the ceiling.
Thermal sights found them.
Automatic fire tore several apart, but one reached the rear wall and pressed an anchor plate into the stone before dying.
A portal opened immediately.
Six armored demons appeared behind the human firing positions.
The irregular counter-magic pulse distorted the anchor while the portal formed. Three travelers arrived with parts of their bodies merged together and collapsed in a screaming mass.
The other three materialized intact enough to attack.
One drove a hooked blade through a machine gunner’s back. Another threw a curse sphere toward the medical door.
Captain Orst’s team entered from the side passage.
One soldier shot the curse sphere in the air. It burst against the ceiling and released black liquid that ate into the stone.
Orst fired through the nearest infiltrator’s eye slit. A Nhalzareth spearman killed the second before it completed a strike.
The final demon charged the blast door.
Orst redirected the hooked weapon with his rifle, stepped outside the swing, and fired upward through the jaw.
Reddan remained beside me throughout the engagement, monitoring Orst’s team and the surface protection detail.
“The first position is becoming untenable,” Dault reported.
The broken gate continued feeding troops into the chamber. The dead siege beast slowed them without stopping them. Curse artillery struck the ceiling, showering defenders with stone.
Veyshara’s armor had opened across one shoulder. Blood ran down her arm.
“Hold two more minutes,” she ordered. “Then withdraw on my signal.”
The time was needed to evacuate the wounded, remove portable weapons, and clear the demolition corridor.
Selkara remained inside the second chamber, feeding mana into the walls to keep side passages sealed. Her pressure-wardens reinforced ancient doors from below.
The casualty count rose across the display.
Nine dead.
Seventeen.
Twenty-six.
Names appeared more slowly than the number.
I wanted to order an immediate withdrawal.
The tactical map showed two medical teams still behind the forward barrier and a damaged remote weapon blocking part of the retreat.
“Dault, casualty route?”
“Ninety seconds.”
“Veyshara, can the line hold?”
She drove her spear through an enemy climbing over the siege beast.
“It will hold until the corridor is clear.”
Her answer was less dramatic than before and more useful.
The prepared shadow anchor inside the surface storage building activated at the same time.
Eight enemy soldiers appeared inside the empty chamber, expecting a command center or civilian district.
Remote weapons fired from armored housings.
The first burst killed five. Two tried to reopen the portal and were struck by counter-magic. The final soldier dropped his weapon after every exit sealed.
Intelligence captured him alive.
Below ground, the casualty corridor cleared.
“Withdraw First Line,” Dault ordered.
Nhalzareth shields moved back in pairs. Human infantry fired controlled bursts over their shoulders. Engineers dragged wounded soldiers and recoverable weapons through the blast door.
Veyshara crossed last.
The door closed.
“Detonate the first corridor.”
Engineering triggered the charges.
The mine moved beneath my boots.
Thousands of tons of rock collapsed behind the first chamber, burying the broken gate, the siege beast, and the leading ranks of Raukhar’s army.
The pressure wave struck the second blast door.
Its supports held.
For several seconds, every underground contact vanished from the sensors.
Then seismic movement appeared through the surrounding walls.
“They brought burrowers,” Sorn said.
Selkara did not look surprised.
“They always do. The collapse buys time. It does not stop them.”
The second defensive chamber had been prepared for that.
Engineers had installed directional seismic charges inside the surrounding rock. When the first burrower approached, the system calculated its depth and route.
“Eastern contact, thirty yards,” an operator reported.
Dault waited.
“Twenty.”
The creature moved closer.
“Ten.”
“Fire eastern charge.”
The explosion traveled through the wall instead of the open chamber.
The contact stopped.
A crack opened across the stone, leaking black blood and fragments of shell.
A second burrower approached from below.
The prepared charge injured it without killing it.
The creature broke through the floor.
Its head resembled a wedge of bone surrounded by grinding teeth. Its body was thick enough to fill the passage it created.
Selkara crossed the chamber in one movement and drove black fire into its mouth.
The burrower convulsed. Flames appeared through cracks along its armored body.
The corpse remained wedged in the floor and blocked the tunnel behind it.
A third burrower changed direction toward the medical corridor.
“Evacuate collection point two,” I ordered. “Use vibration emitters to pull it toward the western dead chamber.”
Engineering activated heavy machines inside an unused quarry space. They struck the floor in an irregular pattern, imitating the movement of a troop concentration.
The burrower followed the false signal.
Once it entered the empty chamber, engineers collapsed the roof behind it and flooded the space with fire-suppression foam mixed with hardening compound.
The creature broke through part of one wall before the material solidified around it.
A launcher team confirmed the chamber was clear behind them and fired one confined-space anti-armor round into the exposed head.
The contact stopped moving.
Raukhar’s infantry reached the second position through maintenance routes opened by the burrowers before their deaths.
Heavy shield units entered first.
This time, our defenders did not wait behind a single line. Human squads occupied overlapping alcoves and side rooms. Nhalzareth infantry controlled the intersections where their spears and barriers worked best.
Counter-magic emitters pulsed for six seconds at irregular intervals. Each pulse weakened curses and shadow movement. Between pulses, Selkara and her wardens restored allied defenses.
Too much suppression would strip our allies of their magic.
Too little would allow the enemy’s curse-bearers to control the chamber.
The first shield formation entered the engagement area.
Automatic grenade launchers fired from protected positions. The rounds passed over the first rank and detonated inside the troops behind it.
The front shields remained standing.
The soldiers behind them did not.
Nhalzareth spearmen attacked before the formation recovered. They dragged shield bearers into side passages where smaller teams surrounded them.
The fighting became close enough that rifles could not always be fired safely.
Soldiers used sidearms, knives, compact weapons, shields, and reinforced armor plates. One system soldier lost his rifle when a demon blade cut through the sling. He drew his sidearm and fired into the attacker’s chest until the armor failed.
A Deep-Court soldier took a curse bolt through the abdomen and continued holding his shield until the human squad behind him withdrew.
Medics pulled him away only after his legs failed.
Hours earlier, both armies had treated the other as a possible threat.
Inside the second chamber, they began covering one another because survival required it.
Raukhar’s curse-bearers changed tactics.
Black symbols spread across the ceiling supports.
Sorn recognized the pattern.
“They are trying to collapse the chamber while their infantry holds us in place.”
“Can counter-magic stop it?”
“It will weaken the curse, but it will also remove Selkara’s support wards.”
Selkara looked at the ceiling.
“I can hold the structure briefly without the wards.”
“Talden, continuous suppression for forty-five seconds. Clear every marked collapse zone. Engineering targets the curse teams through wall sensors.”
The field activated.
Selkara’s red barriers vanished.
The ceiling dropped several inches before black and crimson mana spread from her wings into the stone.
The curse symbols dimmed.
Wall sensors located three chanting groups in adjacent passages.
Reduced-backblast weapons fired through prepared apertures with rear areas cleared and blast shields deployed.
The first round broke into one curse chamber and killed most of the group. The second struck a barrier. A third fired after the shield weakened under suppression.
The remaining symbols vanished.
Selkara released the ceiling slowly until the reinforced beams carried the weight again.
Blood ran from one nostril.
“You require medical evaluation,” I said through the liaison channel.
“I remain capable.”
“Then the evaluation will be quick.”
“I do not take orders from you.”
“Consider it a condition for keeping my soldiers beneath a ceiling your magic is holding.”
She looked toward the nearest camera.
Two minutes later, a Nhalzareth healer examined her while she continued issuing orders.
Sabine’s voice entered from Air Command.
“Surface threat. Winged contacts emerging from mountain vents south of Tarnwick.”
“How many?”
“Ninety-three. Several carry riders.”
“Intercept before they reach the settlement. Keep weapon paths away from Tarnwick and our road.”
“Flight Two launching. Air-defense batteries tracking.”
Sabine remained grounded and directed the response from the base.
Four fighters entered the southern corridor. The winged demons scattered after the first missiles struck, proving they had more discipline than the wyverns but no experience with weapons that killed from beyond visual range.
Several riders created magical decoys.
Talden’s filters compared radar mass, physical heat, mana distortion, and air displacement to identify the real targets.
The fighters attacked from altitude and withdrew through protected corridors. Ground batteries engaged anything that continued toward Tarnwick.
More than half the aerial force was destroyed before reaching visual range.
The survivors turned back toward the mountains.
Sabine did not waste fuel or missiles pursuing them beyond our surveillance boundary.
Underground casualties continued rising.
Forty-three of my soldiers were dead. Twenty-six Nhalzareth troops had fallen. More than a hundred people were wounded.
The field hospital filled quickly. Armored ambulances moved critical patients north only after surface patrols confirmed the route.
Keene tracked blood supplies, surgery capacity, ammunition, drinking water, breathing filters, hearing damage, and the medical staff’s exhaustion.
The battle did not stop because doctors needed time.
Command had to create that time.
The prisoner captured in the false-anchor chamber began cooperating during questioning.
He identified himself as a conscript from an outer Ossurak settlement. Raukhar had threatened his family after he resisted recruitment.
Intelligence had not verified every part of his story, but he knew the assault plan.
Raukhar’s main force intended to hold Tarnwick’s second chamber while twelve hundred elite troops used an abandoned western drainage route to enter Nhalzareth behind Selkara’s defenses.
The corrupted warning lattice concealed both formations.
Selkara’s face became completely still when she received the report.
“What is their target?”
“The prisoner heard officers discussing the Ash Vault and western civilian quarter,” Reddan said.
The Ash Vault was not a military facility.
It was an inhabited district.
Raukhar had created two emergencies and given Selkara enough strength to answer only one.
“When will the flanking force reach the district?” I asked.
Selkara consulted the warning network.
“If they entered before the lattice returned, they may already be beneath the western furnaces.”
She turned toward the central-gate map.
“I have to return.”
“If you withdraw every Nhalzareth soldier, the second line may fail.”
“If I remain, Raukhar enters my civilian quarter.”
I expanded the joint deployment.
“How many soldiers do you need?”
“Four hundred immediately, plus pressure-wardens who know the western route.”
“You brought six hundred reinforcements. Take four hundred. Leave two hundred shield troops and wardens with Veyshara.”
“That weakens Tarnwick.”
“The surface reserve battalion replaces the number. Your remaining personnel guide them through the mine.”
Selkara looked at me as though searching for the hidden price.
“What do you demand?”
“Keep your civilians alive. We discuss politics after the attack.”
“No ruler gives support without expecting payment.”
“I am not gifting you soldiers. I am taking responsibility for Tarnwick while you protect Nhalzareth. Raukhar is our shared enemy.”
That was strategically true.
It was not the only reason.
My laws and speeches meant nothing if civilians became expendable the moment they belonged to another species or another ruler.
Selkara understood what I had not said aloud.
Her expression changed without becoming gentle.
“You would hold this gate for people you have never met.”
“I will hold it because abandoning them would make every promise I gave my own citizens a lie.”
Another curse strike shook the chamber.
Selkara made her decision.
“I take four hundred soldiers and two pressure-wardens. Veyshara commands the Nhalzareth contingent at Tarnwick.”
Veyshara objected.
“My queen—”
“You remain. The Compact requires a commander who understands both the gate and the human defenses.”
Veyshara struck one fist against her chest.
“As ordered.”
Selkara turned toward me.
“If Tarnwick falls while I am gone—”
“It will not.”
“That sounds arrogant.”
“It is a command assessment.”
For once, she accepted the answer.
Her soldiers gathered inside the lower maintenance chamber. Before leaving, Selkara stopped beside the surface command post.
“You are trusting two hundred Nhalzareth troops under your settlement.”
“You are trusting one thousand of mine beside your gate.”
“If your army turns against them?”
“It will not.”
“If mine turns against yours?”
“Veyshara understands what happens if Raukhar wins while we kill each other.”
Selkara looked toward Tarnwick’s ruined homes.
“I will return.”
“If the district cannot be held, bring the civilians through the maintenance routes.”
“Nhalzareth does not abandon its city.”
“Then defend it.”
She pressed her blood against the authority seal. The western route opened, and she disappeared below with four hundred soldiers.
I replaced her departing force with the battalion held on the surface. Human troops entered the mine in organized groups while Nhalzareth wardens guided them through the defensive sectors.
Veyshara retained command of Deep-Court soldiers and accepted Dault as overall commander of the Tarnwick defense.
Raukhar’s army sensed the shift and launched its largest assault.
Two more siege beasts entered separate maintenance routes. Curse-bearers filled the central corridor with black fog while shield infantry pressed toward the second chamber.
Talden’s pulses weakened the fog.
Thermal and seismic sensors tracked the beasts through the walls.
Engineering collapsed the eastern route before the first reached the defenders. The beast survived beneath the rubble and continued digging, but its progress slowed.
The western siege beast broke through.
It was smaller than the first and carried an armored firing tower across its back. Enemy archers and curse-casters fired from the structure while the creature charged.
The first reduced-backblast projectile cracked its front armor.
The second destroyed one eye after the firing team cleared its rear area.
The beast continued.
Veyshara led a shield wedge into the chamber and forced its head toward the northern wall. Human anti-armor troops moved toward the exposed flank.
A third confined-space round entered behind its front leg.
The explosion destroyed part of the chest.
The beast collapsed and nearly crushed the Nhalzareth line. Veyshara dragged one wounded soldier clear before the body struck.
The tower on its back remained occupied.
Enemy archers fired downward.
A system soldier climbed onto the dead beast while his squad covered him. He threw a fragmentation grenade through the tower opening and dropped behind the armored spine.
The explosion filled the enclosed structure.
Blood flowed from the firing slits.
Shield infantry continued advancing behind the corpse.
Dault ordered a sector-by-sector withdrawal rather than holding the body as an obstacle. Remote guns remained behind and fired until their ammunition ran out.
The defenders reached the final mine position.
Engineering detonated the second prepared collapse only after every living soldier and recoverable casualty crossed.
Stone buried the siege beast and hundreds of enemy troops.
The final chamber stood near the surface entrance.
If it failed, Raukhar’s army would emerge inside Tarnwick.
Tanks waited outside in prepared sectors. Armored carriers covered the roads. Aircraft watched every southern approach. Engineers had turned the quarry route into layered barriers and engagement zones.
The enemy still had to survive the final tunnel.
Dault reported the losses.
Sixty-one system soldiers dead.
Thirty-eight Nhalzareth troops dead.
More than two hundred wounded between both forces.
Ammunition consumption exceeded the first estimate by twenty-seven percent. Ventilation filters required replacement. Two casualty routes had suffered damage, and one surgical team had operated continuously for three hours.
The line remained intact.
It was running out of depth.
Reddan placed a new intelligence report on the command table.
“The prisoner identified the assault commander. Abyss Marshal Zorren Khauld entered with the final wave.”
Veyshara knew the name.
“Zorren carries a fortress command seal. Once he reaches the final chamber, he can bind captured stone to Ossurak authority. Barriers and demolition systems may begin treating us as intruders.”
“We stop him before he enters the chamber,” I said.
The collapsed corridor blocked ordinary movement, but enemy burrowers were already cutting through.
“Can our sensors identify him?”
“The entire assault force is saturated with curse energy,” Talden said.
Veyshara looked toward the prepared shadow anchor held in the surface trap.
“His command seal is connected to every active anchor under his authority.”
Reddan studied the network diagram.
“If Zorren begins feeding power through the shadow system to prepare the fortress curse, the contained anchor may be able to pull on his seal.”
“Can it drag him through unwillingly?” I asked.
Veyshara considered the possibility.
“Only during active synchronization. The stronger his connection, the stronger the pull.”
“Then we wait until he starts claiming the final chamber.”
Engineers reinforced the trap chamber. Remote weapons received fresh ammunition. Counter-magic emitters surrounded the structure, while Captain Orst positioned his special-operations team outside the sealed exits.
Reddan remained beside me and coordinated the surface protection plan.
The final-chamber sensors detected enemy movement.
Black lines spread through cracks in the floor.
“Fortress curse beginning,” Veyshara reported.
Talden inverted the contained anchor.
The metal plate released a sound like stone and steel tearing against one another.
For several seconds, nothing happened.
Then a portal opened inside the prepared chamber.
One armored figure was pulled through and struck the floor on his hands and knees.
Zorren Khauld was larger than most demons we had encountered. Four horns formed a crown around his head. Black fortress armor covered him from throat to boots, and a stone command seal hung from a heavy chain across his chest.
The portal closed.
He looked around the empty room.
“Activate suppression,” Orst ordered.
Counter-magic fields engaged from every side.
The seal dimmed.
Remote guns fired controlled bursts at armor joints, the backs of the knees, the shoulders, and the gaps beneath the arms.
Zorren raised one hand.
A wall of black stone erupted from the chamber floor and absorbed most of the rounds.
His fortress curse was already attempting to claim the building.
A confined-space armor-piercing weapon fired from behind a blast shield. Its rear zone had been cleared before the portal opened.
The projectile struck the stone barrier rather than Zorren.
The wall cracked open.
Orst’s team fired through the breach.
Rounds struck Zorren’s armor, damaging seals and forcing him back without penetrating the main breastplate.
He charged through the broken wall.
A remote gun continued firing into the rear joints.
One special-operations soldier threw a mana-disruption grenade beneath Zorren’s feet. The blast weakened the glow around his armor.
Orst engaged from the side and fired repeatedly into the exposed joint beneath Zorren’s right arm.
The marshal struck him with an armored elbow.
Orst hit the wall and lost his rifle.
Another soldier fired into Zorren’s face. A transparent stone mask formed over it.
Zorren advanced toward the nearest sealed exit.
“Do not collapse the chamber,” I ordered. “Our team remains inside.”
Zorren gripped the command seal.
Veyshara shouted through the liaison circuit.
“Separate the seal before he restores the fortress curse.”
Orst recovered his sidearm.
He fired at the chain holding the seal rather than Zorren’s armor.
The damaged chain broke.
The seal struck the floor.
A remote mechanical arm closed around it and pulled it into a shielded containment slot built beneath the wall.
Counter-magic suppressors sealed around the stone without destroying it.
The fortress curse vanished from the chamber.
Zorren stopped for less than a second.
The disruption grenade had weakened the rear armor, while repeated fire had damaged the joint beneath his arm.
A specialized low-collateral penetrator fired from a protected side position.
The round entered the compromised shoulder joint, passed through the inner armor, and shattered bone without crossing the chest.
Zorren fell onto one knee.
Orst’s team fired into the backs of both legs until the armor joints failed.
The marshal collapsed.
He remained conscious long enough to reach for a weapon before another disruption charge extinguished the remaining magic around him.
“Take him alive,” I ordered.
The team removed his weapons, locked his limbs inside reinforced restraints, and kept the counter-magic field active.
Medical personnel entered only after Orst declared him secured.
Zorren was critically wounded, but his heart and brain remained intact. His fortress armor had absorbed most of the earlier gunfire, and the final penetrator had been aimed deliberately away from vital organs.
The command seal remained inside the shielded slot.
Its connection to the enemy network had weakened but had not disappeared.
“Can we send one order before they realize it was captured?” I asked.
Veyshara examined its fading runes through the camera.
“One brief command. Anything complex will expose the deception.”
The enemy’s assault formations had already begun slowing after Zorren vanished.
Veyshara transmitted a concise order through the contained seal.
Surface breach achieved. Reserve formations withdraw to the western maintenance route.
The message traveled through the shadow network.
Some enemy units obeyed immediately.
Others hesitated when local officers issued conflicting commands.
The assault divided.
Dault used the confusion to launch a short counterattack through a side passage. Human infantry and Nhalzareth shield troops struck the nearest curse-bearers, destroyed two active anchors, and withdrew before the enemy reorganized.
The command seal cracked inside containment.
Its remaining connection died.
Raukhar’s attack lost momentum.
Enemy formations began retreating toward the broken central gate and abandoned lower routes.
We did not pursue deeply. Our soldiers were exhausted, the mine remained damaged, and thousands of enemy troops still occupied territory beyond our reliable sensors.
The defenders held the final chamber until seismic readings confirmed that the main assault force had withdrawn.
Only then did Dault declare Tarnwick’s surface approaches secure.
No one cheered inside the command post.
Seventy-four members of the First Expeditionary Army had died.
Forty-four Nhalzareth soldiers had fallen.
Three hundred and six people were wounded, with twenty-one in critical condition.
The final defensive chamber remained intact. Tarnwick stayed under our control. The reservoir was secure, and the enemy had failed to bind the mine to Ossurak authority.
We had won the first underground battle.
The price appeared across medical screens, ammunition reports, damaged ventilation systems, exhausted personnel rosters, and rows of covered bodies leaving the mine.
Sabine contacted me from Air Command.
“The surface sky remains clear. No second aerial force is approaching.”
“Fuel and missile use?”
“Lower than during the Brood battle. Every pilot returned.”
Relief entered her voice only after the operational report was complete.
“Selkara?”
“No communication since she entered the western route.”
Nhalzareth’s warning lattice remained unreliable beyond Tarnwick. We detected battle near the western district but could not determine whether Selkara had arrived in time.
Veyshara stood inside the final chamber among human and demon wounded. Her armor had broken across the shoulder and thigh. Much of the blood covering it belonged to other soldiers.
“Your queen said she would return,” I told her.
“She will.”
Veyshara spoke with complete certainty.
Reddan remained at the surface command post throughout the battle, maintaining my protection detail and coordinating Captain Orst’s team from above.
Orst returned under his own power after Medical Command examined him. A dark bruise covered one side of his face where Zorren had struck him.
“You should remain in treatment,” I said.
“I have been cleared for this briefing.”
“By Doctor Mercer?”
“By the Tarnwick field physician.”
“That sounds carefully phrased.”
“He ordered imaging after the report.”
Reddan looked at him.
“Go now.”
Orst left without arguing.
The Abyss Marshal remained unconscious inside a mobile containment unit. His fortress armor, weapons, blood samples, and captured seal fragments had been separated for study.
“He may know the abandoned routes into Nhalzareth,” Reddan said. “He may also know who modified the Crown extraction system.”
“Keep him alive.”
“Selkara may demand his execution.”
“Interrogation comes first.”
A weak signal entered the Nhalzareth liaison channel.
Selkara appeared against a background of black stone buildings lit by red furnace light. Blood covered one side of her face. One wing had torn along its lower edge, and flames burned behind her.
She remained standing.
“The western district holds,” she said.
Veyshara closed her eyes for a moment.
“How many dead?” I asked.
“Too many. Raukhar’s elite force reached the outer furnaces before we intercepted it. The civilian shelters remained sealed.”
“You protected the district.”
“We stopped the first attack.”
Her eyes moved toward the casualty report displayed inside the Tarnwick post.
“You held the mine.”
“We captured Zorren Khauld alive.”
For the first time, Selkara’s control broke completely.
“Alive?”
“Yes.”
“He will lie.”
“Then we compare his lies with physical evidence.”
“He deserves execution.”
“He may know who sabotaged the Crown pipes and how Raukhar entered Tarnwick.”
Selkara’s expression remained hard, but she did not argue further.
“Raukhar will return.”
“I know.”
“He now understands your soldiers can fight underground.”
“And we know he has agents on the surface.”
She looked toward the fire behind her.
“The abandoned western route cannot remain open. I must drive his forces away from the Deep-Court before sealing it.”
“You need reinforcements.”
Her eyes returned to me.
“Are you offering human soldiers inside Nhalzareth?”
“I am offering nothing until I receive maps, objectives, civilian locations, command arrangements, supply requirements, and an extraction plan.”
A tired smile appeared despite the blood on her face.
“Your caution survives victory.”
“It is most useful after victory.”
“The next battle cannot be fought entirely from Tarnwick. Raukhar will continue using the lower routes until someone takes them from him.”
That meant entering demon territory.
It meant sending soldiers beyond the boundaries of the first compact and fighting beneath a city human maps pretended no longer existed.
My system opened a notification.
Joint subterranean victory achieved.
Captured demonic command technology available for research.
Anti-magic ordnance development condition fulfilled.
Subterranean warfare doctrine expanded.
Strategic objective identified: secure the western routes linking Tarnwick and Nhalzareth.
The system did not order an invasion.
It showed what long-term survival might require.
I looked toward the mine entrance, where human and demon medics carried wounded soldiers toward the same field hospital.
Hours earlier, both forces had watched one another like possible enemies.
Now their blood covered the same stretchers.
“Seal every damaged passage,” I ordered. “Rotate the underground units, replace filters, recover the dead, inspect the demolition zones, and begin questioning Zorren when Medical Command allows it.”
Veyshara struck her fist against her chest.
“As ordered, Supreme Commander.”
It was the first time one of Selkara’s senior officers used my title without hesitation.
I faced Selkara’s fading projection.
“Repair your district and send complete maps of the western routes. No operation begins until both commands approve the plan.”
Her red eyes held mine.
“You speak as though you expect to enter Nhalzareth.”
“Raukhar attacked Tarnwick, sabotaged my resource network, and sent an army through the gate beneath my settlement.”
“That is not an answer.”
“It is enough for tonight.”
Her tired smile sharpened.
“Then come beneath the mountains, Supreme Commander. I will show you the city human kings pretend is dead.”
The transmission ended.
I remained in Tarnwick while the first underground dead of my nation were carried into the night.
Thalverin believed it had exiled me beyond civilization.
Instead, the road beneath my first mine was leading toward a demon throne.