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Trial by Fire

Warhammer 40k Fan Fiction

By Zachary SnyderPublished 2 years ago • 18 min read
What awaits on Kaelon?

Prelude:

The Fire, the Void, and Skyshadow:

Kaelon was a world of savage beauty. Its jungles teemed with life, a riot of bioluminescent foliage, alien predators, and rivers that shimmered like molten silver. But beneath this paradise lay horrors that the Tau Empire was about to awaken.

For weeks, the Earth Caste research team carved out a tenuous existence in Kaelon’s hostile wilderness. Towering trees clawed at the sky while predators skulked just beyond the reach of drone scanners. The engineers cataloged veins of exotic ore and gaseous pockets brimming with untapped potential. Protected by the mercenary Kroot Carnivores, the team survived by a razor-thin margin.

Among them was Gue’vesa Nick Kepler, a former human soldier who had pledged allegiance to the Tau. Though skilled in mechanics and combat, Kepler harbored a greater ambition: to move far beyond the horrors of his past.

Although a skilled former militarum he didn't want to be foder, he sought to do something never achieved in the Tau Empire.

One evening, he approached Shas’vre Kael, a battle-scarred Crisis Suit pilot testing the experimental XV8 Skyshadow.

“Shas’vre,” Kepler began, his tone steady despite the whirlwind of emotions beneath. “I want to fight like you. I want to prove I belong in the stars.”

Kael, seated on an equipment crate, regarded him coldly. “Piloting a Crisis Suit is more than fighting, Gue’vesa. It’s sacrificing. Every battle, every kill—your mind fractures a little more. Are you ready to lose yourself for the Greater Good?”

Kepler clenched his fists. “I’ll do whatever it takes.”

Kael’s gaze softened slightly. “Then survive this mission first, Gue’vesa. Prove you can endure. Dreams mean nothing if you’re dead.”

That night, disaster struck. The jungle trembled as the guttural roar of engines grew closer. The Orks had come. Warboss Boom Fragga’s horde smashed into the Tau camp like a tidal wave of iron and fury.

Fragga, a massive brute clad in scrap-metal armor, bellowed orders that drowned out the roar of his wartrukks. His power klaw crackled with unstable energy, cleaving drones and machinery in half with every swing. Behind him, Krugskull Ironjaw, his vicious second-in-command, barked guttural commands, hacking apart anything in his path with a jagged choppa.

The Tau defenses crumbled almost instantly.

Kroot Carnivores fought savagely, their serrated blades biting into Ork flesh, but the greenskins shrugged off wounds that would kill lesser creatures. Engineers scrambled to salvage their data, firing pulse pistols with trembling hands as the Orks slaughtered them with brutal glee.

Kepler grabbed a pulse rifle, blasting an Ork clean off its feet as he shouted to Kor'ui Bae’ta. “Get that signal out now!”

Bae’ta’s hands flew across the console, panic etched into her face. “I’m trying! Cover me!”

Kepler’s shots dropped another Ork, but a Nob charged through the chaos, its axe cleaving through his cover. Before it could finish him, a Kroot leapt from the shadows, driving a blade deep into the creature’s throat.

Bae’ta screamed as the console lit up. “Signal sent! But we’re out of time!”

At a nearby Tau outpost, the distress signal reached Shas’vre T’ralor. The XV88 Broadside BattleSuit commander stood unmoving as the desperate message played, the screams of his comrades chilling the room.

“We deploy immediately,” T’ralor ordered. “No one gets left behind.”

Among his strike force was Kael, who adjusted the neural interface of her Skyshadow. Its cutting-edge systems promised devastating speed and firepower, but Kael knew the risks. The suit pushed the pilot’s mind and body beyond natural limits, and no one had survived prolonged use unscathed.

“Are you sure about this?” T’ralor asked.

Kael’s voice was calm but resolute. “This is what I was made for.”

The strike force descended into the jungle, guided by Pathfinders who marked Ork camps with pinpoint precision. The first engagement was a slaughter.

T’ralor’s Crisis Suit team unleashed a storm of plasma and missile fire, cutting through Ork mobs with brutal efficiency. Kroot reinforcements struck from the treetops, knives flashing as they tore into greenskins. The jungle became a battlefield drenched in blood and ash.

At the vanguard was Kael and her Skyshadow, a blur of motion and destruction. Plasma rifles burned through Ork vehicles, while advanced stealth systems allowed her to disappear into the shadows, only to reappear behind the enemy lines, dealing death.

Kepler followed close behind, firing his pulse rifle and shielding wounded Pathfinders from Ork ambushes.

“Stay sharp, Gue’vesa!” Kael barked, her voice sharp over the comms.

The Orks regrouped, led by Warboss Boom Fragga. His bellow echoed like thunder as he waded into battle, his klaw tearing apart a Crisis Suit in a single devastating strike.

Kael engaged him directly, her Skyshadow moving faster than the Ork’s sluggish swings. Her plasma fire burned into his armor, but Fragga only laughed, his raw fury driving him forward.

“You fight like a zoggin’ grot!” Fragga roared, swinging his klaw in a wide arc that narrowly missed Kael.

Missiles streaked toward him, striking his chest and detonating in a blast that finally brought him down. As Fragga’s broken body fell, Krugskull Ironjaw seized command.

“Oi, greenskins! Let’s show these blue-skinned gits what we’re made of!” Krugskull howled, leading a brutal counteroffensive.

Kael gritted her teeth against the neural agony tearing through her mind as the Skyshadow battlesuit struggled to maintain coherence under the relentless strain. Sparks danced across the cockpit as warning icons flashed on every surface. Her thoughts splintered like glass under the pressure, but her will refused to break. Plasma rifles mounted on the suit’s arms screamed as they unleashed torrents of superheated energy, carving fiery paths through Krugskull’s brutal warriors. Each shot was a calculated strike, her advanced targeting systems painting a grim canvas of devastation across the battlefield.

Above, the Skyshadow’s enhanced systems transmitted precise coordinates to the orbiting Tau artillery. Seconds later, the horizon erupted in incandescent fury as pinpoint barrages annihilated incoming Ork reinforcements. The air reeked of ozone and scorched earth, the thunderous impacts blending with the roars of the dying.

Kepler, bloodied and breathing heavily, fought on with grim determination. His armor was battered, his movements slowing under exhaustion, but he refused to falter. Dragging a wounded Pathfinder through the carnage, he paused only long enough to empty his pulse carbine into the snarling face of an Ork charging the evac zone. The beast collapsed mid-lunge, its crude weapon falling from lifeless fingers as Kepler surged forward, another Pathfinder leaning on him for support.

As the battle reached its harrowing climax, the strain on Kael’s neural interface became unbearable. Her vision blurred, her mind flickering between fragments of thought and flashes of pain. With one final burst of energy, her Skyshadow cut down another wave of Orks before the systems failed. The cockpit lights dimmed, then extinguished, as the battlesuit slumped to its knees. Kael’s body went limp inside, the interface shutting down her overtaxed brain to protect what little remained.

When T’ralor found her, the battlefield was eerily quiet, save for the crackling of distant fires. The towering Skyshadow loomed over him, motionless and dark. He climbed into the cockpit, dread clutching his chest. There she was, her body lifeless and slumped against the restraints. Yet her face, untouched by the chaos that had claimed her, was tranquil—serene, even. T’ralor’s throat tightened as he stared, the realization sinking in. Kael had given everything to see the battle won.

The Tau evacuated the surviving engineers and left the battlefield scarred by fire and blood. Gue'vesa Nick Kepler stood at the edge of the drop zone, staring at the Skyshadow.

“She gave everything,” he said quietly.

T’ralor placed a hand on his shoulder. “One day, Gue’vesa, you might stand where she did. But her path is not for the faint-hearted.”

As the extraction ships ascended, Krugskull Ironjaw bellowed his rage in the burning jungle. The Orks would return, and Kaelon’s riches would demand even greater sacrifices.

The Tau fleet lifted off to return to the outpost, leaving behind a jungle scarred by fire and blood. Shas’vre Kael had fought valiantly in the final moments of the battle, delivering the killing blow to the Ork Warboss Boom Fragga, ensuring the survival of her team and the mission's success. Yet, it was not the greenskins who claimed her life—it was the experimental Skyshadow battlesuit, its neural link pushing her beyond the limits of endurance in the heat of combat.

In the depths of the jungle, Krugskull Ironjaw rallied the remnants of Boom Fragga’s warband, preparing for the next battle. The Tau knew that the greenskins would return, and the riches of Kaelon would demand even greater resolutions.

Back at the outpost, the survivors gathered in the mess hall, recounting their harrowing ordeal. The mission’s objective had been achieved—valuable data and biological samples were secured, even as the cost in lives weighed heavily on those who remained. The sacrifice of the Kroot mercenaries, Fire Caste warriors, and Shas’vre Kael herself was not forgotten. Their names would be recorded in the annals of the Tau Empire, their deeds celebrated as examples of unwavering dedication to the Greater Good.

T'ralor stood in the command center, his blue-hued skin illuminated by the soft glow of hololithic displays. His mind was a storm of thoughts as he reviewed casualty reports and analyzed the data collected during the mission. The Orks had been pushed back for now, but the green tide was relentless. Kaelon would face them again, and T'ralor knew the outpost’s survival would depend on more than raw firepower—it would require unity, ingenuity, and unyielding resolve.

As he stared at the reports, the sound of heavy boots approached, and Gue’vesa Nick Kepler entered, his face a mix of grief and determination. The human auxiliary had fought alongside Kael during the battle and witnessed her final moments.

“Shas’el,” Kepler began, his voice steady despite the pain in his eyes. “May I speak with you about Shas’vre Kael?”

T’ralor turned to face him, nodding. “Of course, Gue’vesa. What’s on your mind?”

Kepler hesitated for a moment before speaking. “Kael… she was a warrior through and through. In those final moments, she didn’t hesitate. Even when the battlesuit started acting strange, she pushed forward, cutting down Boom Fragga and breaking the Orks’ lines. She knew what it meant to fight for the Greater Good, but it wasn’t the Orks that killed her. It was Skyshadow.”

T’ralor’s gaze hardened, his jaw tightening. “I am aware. The neural feedback interface overwhelmed her, forcing her beyond her limits. The suit was meant to enhance our warriors, not destroy them. It’s a failure I will not allow to happen again.”

Kepler stepped closer, his tone firm. “Kael’s death wasn’t in vain. She saved us all. But if Skyshadow is to remain operational, it needs to be more than just a weapon—it needs to protect its pilot as much as it protects the mission. I saw what it could do out there, and it’s a marvel of engineering, but we can’t let it take another life like hers.”

T’ralor nodded, his resolve deepening. “Fio’el Shava is already working on refinements to the suit’s systems. The dampening fields will be strengthened, and the neural link recalibrated to ensure no pilot endures what Kael did. The sacrifices of our warriors are honored through progress, and I will see to it that her legacy leads to a better future for the Empire.”

Kepler’s expression softened slightly. “Thank you, Shas’el. She believed in you, in all of us. And I think she’d want us to keep fighting, to make sure her sacrifice wasn’t for nothing.”

T’ralor placed a hand on Kepler’s shoulder. “It wasn’t for nothing, Gue’vesa. Kaelon still stands because of her. Skyshadow will continue to serve the Greater Good, but with the lessons we’ve learned today. Together, we prevail.”

As Kepler left, T’ralor turned back to the viewport, where the orange sun was sinking below the jungle canopy. The battlefield had been brutal, but Skyshadow had been a beacon of hope amid the chaos. Now, it would stand as a testament to Shas’vre Kael’s sacrifice—a weapon forged not just for war but for the future she had given her life to protect.

The jungle’s shadows deepened, and the first stars began to twinkle in the sky. T’ralor took a deep breath, his resolve unshaken. “The Orks will return,” he murmured, more to himself than anyone else. “But so will we. Together, we prevail.”

In the quiet hours after the battle, Shas’vre T’ralor summoned Fio’el Shava, the lead Earth Caste engineer responsible for the experimental XV8 Skyshadow battlesuit, to his command chamber. The air was heavy with the scent of incense, a small comfort in the wake of the day’s losses. Hololithic displays illuminated the room with shifting data streams—battle reports, casualty lists, and schematics of the Skyshadow suit.

Fio’el Shava entered briskly, her posture rigid and her face weary. The glow of the hololiths reflected off her spectacles as she approached T’ralor, who stood gazing out of the viewport, his hands clasped behind his back.

“Fio’el,” T’ralor began without turning. “Thank you for coming.”

Shava inclined her head. “Shas’vre Kael’s sacrifice weighs heavily on us all, Shas’el. Her loss is a tragedy, but also a lesson we must learn from.”

T’ralor turned to face her, his expression unreadable. “Indeed. But that is not the only matter I wish to discuss. I need your assessment of Gue’vesa Nick Kepler.”

Shava raised an eyebrow, folding her arms. “Kepler? The human auxiliary? His performance today was commendable, but he is still just a Gue’vesa. Why do you ask?”

T’ralor’s gaze sharpened. “He fought alongside Kael, defended the engineers, and maintained his composure under the most harrowing circumstances. His actions were not those of a mere auxiliary. He exhibited not just bravery, but an understanding of tactics and an instinct for survival. These are qualities we value in our pilots.”

Shava frowned. “Shas’el, with respect, Gue’vesa Kepler is not Tau. The neural architecture of the Skyshadow was designed for our physiology and psychology. Humans—”

“Humans have served the Greater Good for decades,” T’ralor interrupted, his tone firm but not harsh. “Kepler has pledged his life to the Empire. He has proven his loyalty and his worth. I believe he has the potential to pilot the Skyshadow. I want your opinion on whether it is possible.”

Shava hesitated, adjusting her spectacles. “It would not be easy. The neural interface would need significant recalibration to accommodate a human mind. Even then, the strain could be fatal. The Skyshadow’s systems amplify a pilot’s neural impulses, pushing them far beyond their limits. Shas’vre Kael’s death was a stark reminder of that.”

T’ralor nodded. “I understand the risks, but Kepler is different. He is driven by more than loyalty—he seeks to prove himself. I saw it in his eyes when he spoke of Kael. He wants to carry her legacy forward.”

Shava studied T’ralor for a long moment before speaking. “If you believe in him, Shas’el, I can begin preliminary adjustments to the interface. It will take time, and there are no guarantees. But if Kepler is willing to undergo the training and the trials, he may succeed. However, I must stress that this will not be like piloting a standard battlesuit. The Skyshadow is… unforgiving.”

T’ralor’s expression softened slightly. “Kepler understands sacrifice, Fio’el. He has already risked everything for the Greater Good. If he is willing to take this path, we owe him the chance.”

Shava sighed, a hint of a smile tugging at her lips. “Very well, Shas’el. I will begin the modifications and design a training regimen. But let me be clear—this will push him to his limits and beyond. If he fails…”

“He won’t,” T’ralor said, his tone resolute. “Prepare the Skyshadow, Fio’el. Nick Kepler will have his chance.”

Shava nodded and turned to leave, her mind already racing with calculations and schematics. As the door slid shut behind her, T’ralor returned to the viewport, watching the jungle below.

“Kael,” he murmured softly, “your sacrifice will not be in vain. The Skyshadow will rise again, and so will the Greater Good.”

The next day...

The simulation chamber was a stark, metallic sphere, its walls lined with holo-projectors and neural feedback nodes. Nick Kepler stood at its center, encased in a sleek neural link suit that clung to his frame like a second skin. The air was cool but charged, humming faintly with the energy of the sophisticated technology surrounding him. A pair of drones hovered nearby, their luminescent eyes scanning his every move.

Fio’el Shava’s voice crackled over the comm system. “Kepler, this is your first session interfacing with the Skyshadow systems. The simulation will mimic real combat scenarios, calibrated to the battlesuit’s operational parameters. You’ll experience the neural amplification firsthand, but this is only a fraction of what the actual suit will demand. Are you ready?”

Nick adjusted the neural helm, his jaw tightening. “Ready as I’ll ever be.”

“Begin simulation,” Shava ordered.

The chamber erupted with light, and Nick was plunged into an artificial battlefield. The sterile walls dissolved into the smoky ruins of a once-thriving settlement, its streets littered with debris and craters. The Skyshadow’s interface surged into his mind—a tidal wave of data, images, and sensations. For a moment, Nick felt as though his consciousness was being pulled apart, his thoughts struggling to remain his own.

A metallic voice resonated in his skull, the battlesuit’s systems coming online. [Neural link established. Sync rate: 47%. Combat protocols initiated.]

Nick staggered as the suit’s phantom limbs materialized around him, projected directly into his nervous system. His movements were sluggish, each command to the suit’s frame met with resistance. He raised an arm, the simulation translating it into the Skyshadow’s pulse rifle, but the action was clumsy and uncoordinated.

“Kepler, focus,” Shava’s voice was sharp. “The neural link amplifies your intent. Stop thinking like a human. Become the machine.”

A low growl escaped his lips as a squad of simulated Ork Boyz appeared, charging toward him with guttural roars and ramshackle weapons. Nick aimed the pulse rifle, but the delay between thought and execution cost him. The first volley of green plasma went wide, the recoil throwing him off balance.

“Damn it!” he cursed, gritting his teeth as the Orks closed in.

The battlesuit’s AI overlaid tactical suggestions onto his vision. [Adjust firing angle. Prioritize targets. Anticipate movement.] The instructions were clear, but executing them felt like swimming through molasses.

One Ork swung a massive choppa, and Nick barely managed to dodge, the feedback jolting through his body. He counterattacked, firing a burst that disintegrated the greenskin, but the effort left him gasping.

“Kepler, your sync rate is dropping,” Shava warned. “You’re fighting the system instead of working with it.”

Nick slammed a fist against an invisible console, frustration boiling over. “I’m trying! I’m not… I’m not like Kael. I don’t know why T’ralor thinks I can do this!”

A brief silence followed, broken only by the simulated sounds of battle. Then, Shava’s tone softened. “He believes in you because you have something Kael had—a will to push past your limits. But you won’t survive the Skyshadow unless you stop doubting yourself. Trust the machine. Trust yourself.”

Nick closed his eyes, inhaling deeply. He forced his mind to quiet, letting the neural feedback flow instead of resisting it. The suit’s interface pulsed in rhythm with his heartbeat, the delay between thought and action shrinking. When he opened his eyes, the world seemed sharper, the battlefield’s chaos falling into place.

The next wave of Orks charged, but this time Nick moved with purpose. His pulse rifle snapped to targets with precision, each shot finding its mark. He sidestepped an attack with fluid grace, his counterstrike dismantling the enemy in a single motion. The neural link surged, the sync rate climbing past 60%.

“Better,” Shava said, a hint of approval in her voice. “You’re starting to understand.”

The simulation faded, the battlefield dissolving back into the metallic chamber. Nick collapsed to his knees, drenched in sweat and trembling from the strain. The drones buzzed closer, scanning his vitals.

Shava’s image appeared on a nearby hololith. “You survived your first session. Barely. But you’ve made progress. Rest for now. Tomorrow, we’ll increase the difficulty.”

Nick looked up at her, his expression a mix of exhaustion and determination. “Why did Kael pilot the Skyshadow? What made her different?”

Shava hesitated, then replied, “Kael didn’t fear failure. She knew that even if she fell, she’d inspire others to rise. You have that same fire, Kepler. T’ralor sees it, and so do I. But fire alone won’t be enough. You must master yourself—and the suit.” Nick waited in chamber.

The hum of the cooling systems filled the silence in the simulation chamber as Nick sat on a metal bench, slumped and exhausted. The neural link suit felt heavier than before, its sleek design now a suffocating weight. He wiped the sweat from his brow, his hands trembling from the strain of the session. The door slid open with a soft hiss, and Fio’el Shava entered, her datapad tucked under one arm.

“Kepler,” she began, her voice as clinical as always. “Your performance today was… inconsistent. You’re making progress, but you’re still too hesitant.”

Nick let out a bitter laugh, running a hand through his damp hair. “Inconsistent? I’m barely keeping it together. You throw me into these simulations without so much as a briefing, and you expect me to perform like one of your Shas’vre pilots? What the hell is the point of this?”

Shava’s eyes narrowed as she approached, her heels clicking sharply against the metal floor. She stopped a few paces away, arms crossed. “The point, Gue’vesa, is to prepare you for reality. Combat does not wait for comfort. If you fail to adapt now, you’ll be dead before you even step into the real battlesuit.”

Nick stood, his frustration boiling over. “That’s easy for you to say. You’re not the one in there, fighting for your life against things that shouldn’t even exist! I’m not Kael. I don’t have years of training or some destiny tied to this Skyshadow suit. I’m just a guy trying to do his part, and now I’m being shoved into something I barely understand!”

Shava’s expression softened slightly, though her tone remained firm. “You think this is unfair? That we’re pushing you too hard? Perhaps you’re right. But this is how we Tau prepare for war. Trial by fire. The Greater Good does not have the luxury of waiting for you to find your footing, Kepler. The Orks won’t give you time to hesitate. Neither will the Skyshadow.”

Nick looked away, his fists clenched. “Why me? Out of all the auxiliaries, why did T’ralor pick me? There are a dozen others more qualified, more... Tau.”

Shava stepped closer, studying him for a moment. “Do you know why Kael was chosen to pilot the Skyshadow?” she asked, her voice quieter now.

Nick shook his head, avoiding her gaze. “I don’t.”

“She wasn’t the strongest or the fastest,” Shava said, her tone growing more reflective. “What set her apart was her resolve. She understood the cost of failure, not just for herself, but for the Greater Good. Kael embraced the trial by fire because she knew what was at stake. T’ralor sees that same potential in you. Whether you see it in yourself or not doesn’t matter—what matters is that you rise to meet it.”

Nick finally looked at her, his brow furrowed. “But what if I fail? What if I’m not enough?”

Shava exhaled, setting her datapad aside. “Failure is always a possibility. Kael understood that, too. But she didn’t let it stop her, and neither can you. Every simulation, every mistake you make here, is a lesson learned. Out there, in the real battlesuit, there won’t be second chances. That’s why we push you now, while failure still has meaning.”

The room fell silent for a moment, the weight of her words settling over them both. Nick’s shoulders sagged, but a flicker of determination sparked in his eyes. “Fine. You want me to rise to it? Then tell me how. How do I stop doubting myself? How do I become what you need me to be?”

Shava allowed a small smile, almost imperceptible. “By trusting in the process, Kepler. And by remembering that you’re not alone. The Skyshadow may be unforgiving, but it’s also a tool—a tool designed to amplify your potential. Trust it, and it will carry you further than you think possible.”

Nick nodded slowly, the tension in his posture easing. “Alright. I’ll keep trying. But I’m holding you to your word. Don’t let me fall without a fight.”

“You have my word,” Shava said, picking up her datapad again. “Rest up. Tomorrow’s simulation will be even harder.”

As she turned to leave, Nick sat back down, the neural link suit feeling slightly less oppressive. He still didn’t fully understand T’ralor’s faith in him, but Shava’s words lingered in his mind. Maybe he wasn’t just a placeholder. Maybe there was something in him worth believing in.

In the shadowed depths of the jungle, the Ork Warband gathered strength. Savage cheers echoed through the trees as greenskins loaded crude weapons and fueled their ramshackle vehicles. The Warboss stood atop a looted Tau Devilfish, his massive form silhouetted against the flickering flames of their camp.

“Get ready, boyz!” he roared, his voice carrying over the Waaagh. “We’z gonna smash dese blue-skin gits and take all their shiny toys!”

The Warband surged with excitement, their bloodlust palpable. The War for Kaelon was on the horizion.

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    Written by Zachary Snyder