The Assault Begins.
While Ky'ei and Archon remained locked in conversation, Qin Mo had already begun the attack.
He led the Thunderborn and ten regiments of Legion soldiers through the teleportation matrix, translating them beneath the polar ice shelf and into the vast glacial cavern surrounding the fortress approaches. One moment the cavern outside the bastion was empty save for patrols, searchlights, and the slow groan of ancient ice. The next, blue-white light unfolded across the ground in expanding grids, and entire companies of armored infantry appeared in perfect formation.
The cold was immediate and vicious. It stabbed through exposed seals, crystallized breath against visor lenses, and turned the air into something that felt sharp enough to cut the lungs. Frost crawled across armor plates within seconds. The Legion soldiers ignored it. Their environmental systems compensated, their weapons came up, and their squad icons locked into place across the command net.
The fortress guards saw the impossible happen around them.
For a heartbeat, no one moved. Patrolmen stared at the army that had materialized out of empty air. Auspex operators froze over their consoles. Searchlight crews swung their beams toward the sudden ranks of armored figures and found only gun barrels staring back.
Then panic caught up with them.
Alarms screamed through the cavern, their shrill cries ricocheting from ice walls, adamantium buttresses, and the fortress' angular outer shell. Red warning runes flared across auspex stations and command slates, staining the defenders' faces in pulsing light. Vox-channels flooded with overlapping reports, half of them contradictory, all of them terrified.
"Enemy contact at the south approach!"
"Raise the gates! Man the wall batteries! Wake the heavy crews!"
The fortress garrison reacted with speed born from discipline rather than courage. Barricades slammed into place. Blast shutters sealed over exposed galleries. Weapon crews sprinted toward firing nests while officers shouted men into prepared kill-zones.
These defenders were not militia scraped from hab-blocks and given rifles. Many had been drawn from the hive cities of Talon I, but most came from Talon II: hardened troops loyal to Archon, veterans of suppression campaigns, noble wars, and border actions fought in places where mercy had been a logistical inconvenience. They wore reinforced carapace armor etched with the sigils of Archon's personal command. Their weapons were maintained. Their officers knew their names. Their defensive plan had been drilled until it became reflex.
They were Archon's chosen. His best.
But even elite soldiers needed time.
The First Legion gave them almost none.
Within seconds, the opening assault began. Infantry squads spread into firing lines while armored spearheads rolled forward through the blue haze of residual teleportation discharge. Heavy weapons unfolded from transport frames. Drone relays rose into the air, their lenses cutting through frost, smoke, and alarm-strobe glare.
The first exchange of fire turned the cavern into a storm of light.
For the next thirty minutes, the fortress garrison fought to fully mobilize under pressure. Lascannon emplacements burned white scars through the air. Macro-bolters hammered from recessed bastions, their shells bursting against advancing shield-lines with enough force to shake ice dust from the cavern roof. Return fire struck the walls in disciplined volleys, probing for weak points, rangefinders, exposed ammunition feeds, and the rhythm of enemy crews.
At the heart of the advance stood Qin Mo.
He did not shout. He did not gesture dramatically. He watched the battle unfold through his tactical overlay, absorbing every shift in resistance, every weapons platform that woke, every defensive sector that strengthened or faltered.
The fortress was reacting.
Good.
That meant its attention was exactly where he wanted it.
....
The Polar Fortress.
The polar fortress had been built to endure punishment from above. Centuries earlier, its buried shell had been reinforced with adamantium plates, shock-absorbing foundations, layered void-bracing, and thermal dispersal channels driven deep into the surrounding ice. It was not merely hidden beneath the glacier. It was anchored into it.
The glacial walls around the structure had been strengthened with artificial stress buffers, ensuring that even sustained orbital bombardment would not bring the entire ice shelf down on the fortress. The builders had understood the danger well: a conventional bastion could be cracked open by siege guns, but a fortress buried beneath kilometers of ice could be destroyed by its own environment if the wrong support strata collapsed.
This place had been designed so that did not happen.
The fortress itself was monolithic and angular, a bastion of black metal and pale frost, its outer faces sloped to deflect bombardment and its battlements recessed behind overlapping armor. There were only two major ground entrances: the northern gate and the southern gate. Both were immense, both were reinforced, and both were now under assault.
The Legion struck both approaches at once.
There was no natural cover in the cavern. The ice floor stretched open and exposed before the fortress walls, broken only by old maintenance trenches, frozen runoff channels, and a few useless ridges of ancient compacted snow. Infantry advanced behind armored support because there was no other sane way forward.
Leman Russ battle tanks formed a moving shield wall, their engines growling as they pushed through frost and shell-broken ice. Between them, gravitic shield emitters projected shimmering barriers that distorted the air into curved planes of force. Heavy shells struck those barriers and burst early, their fragments slowing, flattening, or skidding away as if the air itself had hardened into invisible armor. Even Knight-class weaponry would have struggled to punch through a fresh shield without sustained fire.
The Thunderborn did not wait for the walls to fall.
Their jump packs ignited in white-hot bursts, launching them over the outer perimeter in steep arcs. They came down on the battlements like meteors wearing warplate. Thruster wash blasted frost from the parapets. Their boots cracked armor plating beneath them. Bolt-rounds detonated at close range, plasma fire turned gun crews into burning shadows, and enemy kill-zones collapsed from the inside as the Thunderborn struck firing nests, rangefinder towers, and command relays.
Within minutes, the fortress' outer rhythm broke. The defenders could still fight, but they were no longer controlling the pace.
Only Yoan remained at Qin Mo's side.
The main garrison had been drawn outward, exactly as Qin Mo intended. The walls, gates, and surface batteries mattered, but they were not the true objective. They were layers. Armor. Noise.
His real target waited deeper inside.
Qin Mo could feel it from where he stood: not a normal psychic presence, but a pressure at the edge of perception, greasy and wrong, like a contaminated signal bleeding through clean instrumentation. It was stronger than Venomfang had been, more focused, and far less careless. Whatever waited beneath Archon's fortress was not merely a beast wearing corruption like a skin. It had weight. Direction. Purpose.
His tactical overlay flickered. Klein's face appeared in the corner of his vision.
"New development," Klein reported. His voice was clipped, but Qin Mo could hear the battlefield noise behind him. "Two Knights from the Resistance have emerged from the sewer tunnels and linked up with my regiment. Now that the hive-city conflict is settled, they wish to join the main assault. I've patched them into the command net."
Two new holo-images appeared beside Klein's feed.
The first was a woman with cropped ash-blonde hair and a stare cold enough to match the cavern around them. Her pilot suit was sealed, void-hardened, and marked with House Lannis heraldry. She looked young only until one noticed the restraint in her eyes: the stillness of someone who had learned to place grief behind duty and leave it there until the killing was done.
The second was a middle-aged man with a thick beard, weathered features, and the grave bearing of a knight who had survived too many lost causes to romanticize another. His face was lined by old campaigns and sleepless command decisions. He stood already suited, already sealed, already waiting for permission to climb into his god-machine.
The older man raised a fist in salute.
"House Lannis stands ready to serve," he said. His voice was steady, formal, and iron-hard. "At your command, Lord Governor."
Qin Mo wasted no time on ceremony.
"Equip teleportation stabilizers. Prepare for immediate battlefield deployment."
Klein turned before the order had fully finished. "Stabilization rigs! Move!"
Knight retainers surged into motion around the pilots. They worked with the practiced precision of attendants who understood that one loose seal or misaligned stabilizer could turn a noble warrior into red vapor between one heartbeat and the next. Protective frames locked against the pilots' suits. Phase anchors activated along their spines. Teleportation harmonics were checked twice, then checked again by machine logic.
Only after the rigs showed green did the pilots ascend into their Thrones Mechanicum.
Their Knights woke around them.
Once readiness was confirmed, the AI-controlled teleportation matrix calculated safe deployment vectors. It compared the positions of every friendly soldier, tank, drone, shield emitter, and active artillery line across both fronts. It rejected dozens of insertion points where a Knight's sudden arrival would crush infantry, destabilize ice, or overlap an active gravitic barrier.
Then it chose two.
Energy reserves reached critical threshold. The air split with blue-white light.
One Knight materialized outside the northern gate.
The other appeared outside the southern gate, directly before Qin Mo's line of sight.
The war machine emerged kneeling in a corona of displaced frost and electrical discharge. Crimson ceramite, blackened adamantium, and burnished gold plating gleamed beneath the cavern's harsh lumen glare.
The sigil of House Lannis adorned its right pauldron above the ion shield generator. Its left arm bore a Reaper Chainsword large enough to bisect a battle tank. Its right carried a Thunderstrike Gauntlet, each armored finger the size of a man. A Stormspear Rocket Pod sat empty atop its carapace, its payload already spent in earlier fighting. Smaller secondary weapons tracked beneath armored housings, hungry for targets despite the Knight's melee configuration.
Inside the cockpit, the female pilot whispered the canticles of ignition. Her voice entered the vox not as performance, but as habit: reverence, discipline, and the intimate bond between noble pilot and ancient engine.
Then the Knight's reactor roared.
It rose to full height.
The machine towered above the battlefield, a walking fortress of crimson steel. Its head turned, mirroring the pilot's gaze as she scanned the southern gate, the battlements, the killing ground, and finally Qin Mo himself.
"Donna and the Crimson Rose stand ready!"
She charged.
The defenders reacted instantly. Lascannons stabbed toward her. Autocannons hammered. Missile trails curved through smoke and freezing mist. The first salvo struck the Crimson Rose's ion shield and burst against a golden barrier that flared like a curved fragment of sunrise.
Ion shields were not invincibility. Their coverage was directional, their timing demanded instinct, and sustained fire could overwhelm even noble technology. But where the shield faced the enemy, it was a wall of concentrated force drawn from the Knight's own power core. Kinetic impacts bled away into shimmering distortion. Energy beams scattered, dimmed, or broke against the field before they could bite into armor.
Donna drove straight through the storm.
Her Reaper Chainsword swept across the battlements, its teeth screaming as they tore through infantry, gun shields, and the crew platform beneath them. Bodies and armor fragments tumbled from the wall in broken arcs. A heavy bolter nest vanished under the backswing. A lascannon crew tried to abandon their weapon and were crushed beneath the Knight's armored foot before they took three steps.
Then the Thunderstrike Gauntlet came forward.
The blow struck the southern gate with the sound of a collapsing hab-block. Reinforced plating buckled inward. Stress fractures raced across the gate's surface. Internal locking bars screamed as they bent.
"Gallant-class Knight," Qin Mo identified.
A Questoris Knight Gallant was a close-assault engine by design, built to kill at arm's reach, batter fortifications open, and force enemies to remember that some wars were still decided by weight, steel, and courage. It lacked the long-ranged main armament of other Knight patterns, but Donna had not come unprepared. Her secondary weapons and nonstandard auxiliary mounts fired in controlled bursts, cutting down defenders who tried to mass around the breached gate or fire from the flanks.
The Crimson Rose kept moving.
Enemy reinforcements flooded the gatehouse. Donna met them with chain-teeth and adamantium fists. The ion shield flared again and again, absorbing the worst of the return fire while Legion infantry surged behind her, using her advance as a moving breach point.
Her voice rose over the vox, fierce and ragged with devotion.
"Bless me, O Machine God! Let me withstand their blows! Let me silence their guns!"
The gauntlet struck again.
This time the gate failed.
Metal tore loose from its frame. Locking mechanisms snapped. A slab of armored plating caved inward, dragging support struts with it. Frost, smoke, and pressure burst from the wound as the southern entrance opened.
"For the Emperor!" Donna roared.
The Crimson Rose crashed through the ruined gate and plunged into the fortress' outer interior. Tanks and infantry rushed to surround her, but the First Legion poured through the breach in her wake. Flamers washed firing alcoves clean. Melta charges opened secondary shutters. Shield teams locked down the flanks while squads secured the broken gatehouse room by room.
The southern front had become an open wound.
....
The Northern Front
At the northern gate, the bearded Knight pilot fought very differently.
Where Donna had used shock, speed, and righteous violence, he advanced with grim calculation. His Knight did not sprint ahead of the infantry. It moved with them, step by heavy step, keeping its ion shield angled toward the strongest batteries while the Legion used its bulk as a mobile fortress.
Enemy gun nests were marked by auspex, suppressed by tank fire, and finished by the Knight's weapons only when exposure made the shot worthwhile. Infantry squads cleared trenches before the Knight passed them. Combat engineers followed in its shadow, disabling mines, cutting through defense cables, and planting charges beneath the gate's outer supports.
It was slower than Donna's assault.
It was also safer.
Both methods worked because both pilots understood what their engines were meant to do. One shattered the enemy's rhythm through violence. The other dismantled it piece by piece.
Qin Mo watched both gates through overlapping tactical feeds. The fortress was now fighting in two directions, with its outer command network damaged, its gatehouses compromised, and its reserve formations being pulled apart by contradictory threats.
He turned to Yoan.
"You know," Qin Mo said, almost casually, "I have to admit something."
Yoan glanced at him. "What?"
Qin Mo watched Donna's Crimson Rose rip a defensive bulkhead from its hinges while the northern Knight crushed an exposed bunker underfoot.
"Having Knights is convenient."
Yoan followed his gaze. For a moment, the Thunderborn warrior said nothing. The cavern shook again as another section of fortress wall collapsed under combined fire.
Then he nodded.
"Undeniably so."
Qin Mo had planned to breach the gates himself if necessary. That would have worked. It would also have drawn attention, exposed his hand earlier than he preferred, and wasted effort on obstacles that could now be removed by allies with very large engines and very little interest in subtlety.
The Knights had changed the tempo of the battle.
The First Legion exploited it immediately. Infantry pushed through both breaches. Tanks advanced into covered positions. Drones flooded the inner approaches, mapping corridors, marking defensive nodes, and identifying routes toward the fortress' core. Thunderborn icons moved ahead of the main force like spearpoints of blue light.
The polar fortress had not fallen yet. Its deeper defenses remained intact. Its inner garrison was still dangerous. Its true master had not shown himself.
But both gates were broken. The walls were compromised. The defenders had lost control of the outer battle.
Qin Mo looked toward the sealed depths of the fortress, where the presence waiting inside pressed against his senses like a stain behind steel.
The final battle had begun.