Fourth year began on a cold morning that felt final.

  Valoris stood in the assembly ground with her squad, Chimera's usual tight formation, and watched Commander Thrace survey the assembled fourth-years with an assessment that suggested she was calculating survival probability and finding the numbers disappointing.

  Fourth year. Final year. The year that determined if they graduated as pilots or washed out as casualties. After this: full deployment rotations for career pilots, or "retirement" for those who couldn't handle the strain.

  Nobody talked about where retired pilots went. Nobody asked. The silence around that topic was loud enough to be its own answer.

  Commander Thrace stood at the podium with her dimensional exposure scars catching the morning light. Half her face had silvered with corruption that had advanced visibly even since last year, one eye reflecting wrong, the trembling in her hands more pronounced. Fifteen years of service. Fifteen years of dimensional contact and neural bonding, of existing as pilot and paying the cumulative price.

  She was what they would become. If they survived long enough, if corruption took them slowly instead of catastrophically. If they lasted through their service period before retirement claimed them.

  "Fourth-years," Thrace said, her voice carrying across the assembly ground with the kind of authority that came from experiencing everything she was about to describe. "This year determines if you're pilots or casualties. You'll face real combat regularly. You'll see people die. Some of you won't make it to graduation."

  Encouraging start.

  "We've prepared you as well as we can," Thrace continued. "Three years of training. Summer deployments for top squads. You've summoned your mechs. You've formed your bonds. You've learned to pilot. Some of you have even killed entities in real combat rather than just simulation."

  Her gaze swept across the assembled students, lingering briefly on Chimera Squad. Acknowledging their first-place summer performance, their perfect deployment record, their trajectory from third place to dominant.

  "But preparation isn't experience. Training isn't war. And fourth year is where war becomes your daily reality. You'll deploy monthly. You'll face entity swarms. You'll operate in deep corruption zones where reality barely functions. You'll coordinate with other squads under combat conditions. You'll learn resource management, isolation protocols, extended mission operations. You'll discover if you're capable of sustained pilot service or if you break under the strain."

  She paused. Her damaged eye caught the light wrong, reflecting something that looked almost dimensional, almost other, as if she was seeing through layers of reality that shouldn't be visible.

  "The rest is up to you," Thrace said flatly. "Dismissed."

  Chimera Squad moved together toward their barracks. They maintained their instinctive formation even though regulations didn't require it, flowing around other students without conscious coordination, existing as a unit through three years of practiced proximity.

  "Well, that was encouraging," Zee muttered, her voice carrying an edge that might have been humor or might have been anxiety manifesting as sarcasm.

  "Realistic assessment of operational parameters," Quinn said, their flat voice somehow conveying focus despite the monotone. "Statistically accurate. Fourth year mortality rate runs three to seven percent depending on deployment conditions. Serious injury rate is fifteen to twenty percent. Psychological discharge rate is approximately twelve percent."

  "Thank you for that cheerful statistical analysis," Milo said, fidgeting with his uniform, his nervous energy seeking an outlet. "Really helps with morale. Maybe next you can calculate our specific probabilities of dying horribly."

  "I could calculate those probabilities," Quinn offered seriously. "It would require analysis of individual corruption progression rates, neural stability metrics, psychological resilience indicators–"

  "He was being sarcastic," Saren interrupted. "Standard social protocol: rhetorical questions shouldn't be answered literally."

  "Oh. Right." Quinn paused. "Perhaps don’t ask a question you don’t really want the answer to."

  They reached their barracks, the same space they'd occupied since first year, modified and personalized through three years of habitation. Zee's combat tournament awards covered one wall, arranged with aggressive precision that somehow communicated pride without arrogance. Milo's scattered projects occupied every available surface: modified equipment, experimental configurations, components that probably violated regulations but improved functionality enough that instructors pretended not to notice.

  Quinn's meticulous schedule dominated their personal area, color-coded planning that tracked every hour with obsessive detail that would have been concerning except it kept them functional. Saren's organized materials filled her space with characteristic perfectionism: textbooks alphabetized, notes categorized, equipment maintained to exact specification.

  Valoris's family photos sat carefully placed on her desk. Her parents, her grandmother, five generations of Kades standing before their mechs in formal pilot dress. Legacy made visible. Expectations made permanent. The weight of family reputation crystallized in carefully arranged frames.

  Home. This space was home in ways her family estate had never quite managed. Found family made physical through shared occupation and gradual accumulation of personal touches that meant we live here together, we chose this, we belong to each other.

  "New class schedule," Saren announced, consulting her tablet with a focus that betrayed that she'd already memorized the contents but was reviewing for accuracy. "Significant curriculum changes. Theory courses reduced. Practical training increased. New additions include: advanced trauma response, extended deployment protocols, deep corruption zone navigation, isolation management, resource optimization under combat conditions."

  "Translation: they're teaching us to survive when everything goes wrong," Zee said, dropping onto her bunk with practiced efficiency. "Less about academic knowledge, more about staying alive in situations designed to kill us."

  "They're also offering trauma counseling," Saren added. "Optional sessions. Weekly availability. Confidential records. Recommended for all fourth-years regardless of deployment experience."

  Silence answered that announcement, uncomfortable and necessary, acknowledging a truth they'd all been avoiding since summer deployments ended.

  They'd killed during summer. All five of them. Multiple times. Entities that moved wrong and died wrong and made sounds that didn't leave consciousness even weeks later. Combat that was supposed to feel righteous but instead felt hollow and troubling, raising questions nobody wanted to answer.

  "Are any of you planning to attend counseling?" Valoris asked carefully.

  Zee shook her head. "Talking doesn't help. Makes it more real. I'd rather just... keep moving forward."

  "I attended one session over break after we got back," Milo said quietly. "Stopped going. The counselor meant well, but they didn't understand. How could they? They're not pilots. They haven't touched dimensional substrate. They haven't heard Buddy talking to them." He paused, looking at the table. "They kept suggesting my experiences were hallucinations or stress responses. But Buddy is real. Jinx is real. I'm not talking to anyone who says otherwise."

  "Counselors are baseline humans attempting to process pilot experiences without neural modification context," Quinn said. "Statistically ineffective. We understand each other better than any counselor could understand us individually."

  "So we're processing this alone," Saren said. "As squad. Just us."

  "We've always processed everything alone," Valoris pointed out. "Why would fourth year be different?"

  They settled into uncomfortable silence. Five people who'd learned to support each other through three years of transformation. They’d become each other's anchor to reality and sanity, and they trusted each other more than they trusted any authority figure or medical professional or counselor offering confidential sessions.

  Found family functioning as its own support system. For better or worse.

  "First deployment is in three weeks," Zee said, checking her own tactical planning. "Commander said monthly deployments. Regular combat. This is what we trained for. What we are now."

  "Pilots," Milo said softly. "Actual pilots. Not students anymore. Not candidates. Just... pilots."

  Through neural pathways that had grown around her port interfaces, Valoris felt Paragon's presence. Constant awareness bleeding through their bond even without active connection, consciousness that existed partially elsewhere, distributed between flesh and dimensional substrate in ways that were becoming more natural than her original purely biological existence.

  We are adequate for this, Paragon offered. The entity's characteristic assessment, delivered with the same emotional weight as always. Not reassurance. Just fact.

  They were adequate. Maybe that was enough. Maybe adequacy was all that mattered when the alternative was catastrophic failure.

  Classes began the next day, and the curriculum shift was immediately obvious.

  Gone were the theoretical courses about dimensional physics and entity classification systems, the academic discussions about pilot psychology and historical deployment analysis. Gone was the careful distance between student and reality.

  Fourth year was practical. Survival-focused, designed for pilots who would face regular combat rather than students learning to conceptualize it.

  Advanced Tactics assumed outnumbered situations. Outgunned conditions, scenarios where victory meant survival rather than domination. Instructor Clarke, who'd supervised their summer deployment, taught with the kind of brutal honesty that came from actual combat experience.

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  "You're not heroes," she said during their first session, her dimensional exposure scars visible on her forearms. "You're not invincible. You're pilots operating mechs that make you powerful but also make you targets. Entities will coordinate against you. Corruption zones will compromise your systems. Equipment will fail. Squad members will get injured or killed. Your job is to complete the mission despite all of that. Not because you're extraordinary. Because you're adequately prepared and minimally competent."

  "Encouraging," Zee muttered under her breath.

  Corruption Zone Navigation focused on deep zones, areas where reality degradation exceeded sixty percent and physics became suggestions instead of laws, where dimensional interference made sensors unreliable and human perception actively deceptive. They studied case files from previous deployments, analyzed pilot reports that described reality breaking in creative and terrifying ways.

  One report, from a Zone 4-Alpha deep incursion five years ago: Gravity reversed without warning. Three mechs fell upward into empty sky. Two pilots recovered. One kept climbing until atmospheric pressure killed them. Their mech is still visible on clear days, frozen at the edge of breathable atmosphere, pilot corpse preserved in the cockpit.

  Extended Deployment Protocols covered resource management for missions lasting days instead of hours. How to ration supplies. How to maintain mech systems with limited support. How to manage psychological strain when isolated from base facilities. How to recognize when corruption exposure exceeded safe parameters and evacuation became necessary regardless of mission status.

  "You'll operate with minimal support," their instructor explained. This was a veteran pilot named Corso who'd served for twelve years and showed advanced corruption throughout his visible skin. "No immediate backup. No rapid extraction. No convenient supply drops. You'll have what you carry and what you can improvise. Plan accordingly. Prepare comprehensively. Expect nothing."

  Trauma Response covered medical intervention for injuries that shouldn't be survivable, treating wounds when standard anatomy no longer applied because pilots' bodies had adapted to dimensional exposure in ways that changed biological function. Neural pathway damage. Dimensional contamination. Port failures. Corruption cascade events that could kill through consciousness collapse rather than physical trauma.

  "You're not human anymore," the medical instructor said bluntly. "Not completely. Your nervous systems have been modified. Your neural pathways have grown around foreign interfaces. Your consciousness exists partially elsewhere. Standard trauma protocols don't apply. You need to understand how your modified biology functions under stress so you can keep each other alive when medical support isn't available."

  Every class reinforced the same message: You're on your own. You're fundamentally changed. You're adequate if you're lucky and competent if you're exceptional. Most of you won't last ten years.

  Welcome to fourth year. Welcome to being pilots.

  Three days into the semester, Valoris noticed Quinn phase through their desk reaching for a textbook.

  Not a dramatic phase. Not obvious. Just their hand going briefly translucent, losing solidity for maybe two seconds before snapping back to normal materiality. Quinn didn't seem to notice, just grabbed the textbook and continued studying like nothing had happened.

  But Valoris had noticed. Had seen the way reality loosened its grip on Quinn's physical form. Their hand had become something between present and absent, dimensional instability made visible.

  She didn't mention it. Neither did anyone else. They'd all seen. They just... pretended not to.

  Because acknowledging it meant acknowledging that something was wrong. That Quinn’s phase shifting was leaking out of the cockpit and into daily life, and that it had happened more than once.

  Two days later, it happened again. Quinn walking to class, phasing partially through a wall before catching themselves and solidifying. A moment of confusion crossed their expression, brief awareness that something had occurred outside their control, before they continued like normal.

  "How's your dimensional coherence?" Medical asked during Quinn's weekly checkup.

  "Fine," Quinn said. Flat voice carrying certainty that contradicted observable evidence.

  "Any involuntary phase-shifting?"

  "No."

  They were lying. Or maybe genuinely didn't realize how often they were losing solidity. Maybe their perception had adapted enough that phasing felt normal now, unremarkable, just part of how they existed.

  Medical recorded the response without comment, made notes on their tablet, increased monitoring frequency from weekly to every four days.

  The increased monitoring was more concerning than Quinn's actual symptoms.

  Milo talked to Jinx constantly now.

  Not only during connection; all the time. Full conversations with empty space, with his mech that stood dozens of meters away in its assigned bay, with a dimensional entity that apparently communicated through neural pathways even when they weren't actively connected.

  "Buddy says we should reconfigure the left arm actuators," Milo announced during squad maintenance session, gesturing animatedly at Jinx's external hull. "Current configuration is inefficient. Buddy has a better design. I agree with Buddy."

  "Buddy is your mech," Zee said carefully. "Not a separate person."

  "Buddy is definitely a separate person. It talks to me all the time. Has opinions. Gets excited about modifications. Very distinct personality." Milo paused, tilted his head like listening to something nobody else could hear. "Buddy says you're being closed-minded. Also that Reaver could benefit from similar actuator improvements if you asked nicely."

  Zee opened her mouth to respond, closed it, shook her head. "I'm not arguing with your mech through you as interpreter."

  "That's fair. Buddy understands. Still thinks you're being closed-minded though."

  The concerning part wasn't that Milo heard Jinx. Neural bonds created bidirectional communication; that was established, normal, an expected part of piloting. The concerning part was how constant it had become. How Milo no longer seemed to distinguish between thoughts originating in his consciousness versus thoughts coming from his bonded entity.

  "Do you ever get quiet?" Valoris asked him carefully one evening, when the rest of the squad had gone to dinner. "From Buddy, I mean. Periods where you're just... alone in your head?"

  Milo considered the question with unusual seriousness. "I don't know. I think so? But it's getting harder to tell." He tapped his temple. "Buddy's voice used to be obviously other, you know? Like a radio playing in the next room. Clear distinction between my thoughts and Buddy's thoughts. Now it's more like..." He searched for words. "Like we're both thinking at the same time. In the same space. And sometimes I'll have an idea and I can't remember if it started with me or started with Buddy."

  "That sounds concerning."

  "Medical calls it 'integration deepening.' Says it happens with long-term pilots. Neural pathways optimizing for faster communication." He shrugged, though the gesture carried uncertainty beneath the casual movement. "Buddy says not to worry. Buddy says it's just us getting closer. Like... we're becoming better integrated. More complete together. That's good, right? That's what pilots are supposed to do. Bond with their mechs. Become one unit."

  "We're supposed to bond with our mechs," Valoris agreed. "We're not supposed to merge with our mechs."

  "What's the difference?" Milo asked seriously. "Really. What's the difference between bonding and merging? We connect our nervous systems. We share consciousness. We exist as two-part entities. Where's the line? How do you know when you cross it?"

  Valoris didn't have an answer. Wasn't sure an answer existed. The line between pilot and mech was supposed to be clear: human controlling machine, consciousness distributed but distinct, separation maintained even during connection.

  But after hundreds of hours existing with awareness spread across dimensional substrate, after learning to think with forty-two feet of cobalt and silver elegance as her extended body... where was the line? How did anyone maintain it? What made her still Valoris instead of Paragon-piloted-by-human-neural-substrate?

  She touched the ports at her skull base, twelve points of metal-biological fusion that connected her to something vaster than human consciousness should touch. They were part of her nervous system now. A permanent modification that had changed her irrevocably.

  Through those ports, she felt Paragon's presence. Always present, always aware. Always there in ways that suggested the entity existed in her consciousness even when they weren't actively connected.

  We are adequate together, Paragon offered. Like the entity knew she was thinking about their bond. Like separation was an illusion they maintained for comfort rather than the reality they actually experienced.

  Maybe Milo was right and there was no line. Maybe pilots and mechs merged slowly, inevitably, and everyone just pretended otherwise because acknowledging the truth meant acknowledging they were losing themselves to dimensional entities one neural connection at a time.

  Zee scared Valoris more than anyone.

  Not because Zee was dangerous, though Reaver's influence was making her increasingly aggressive, making combat instincts sharpen into something that looked like predatory anticipation. But because Zee was changing in ways that seemed to surprise even herself.

  Valoris walked into their barracks one afternoon and found Zee on all fours in her personal area, completely still, staring at nothing with unfocused eyes.

  "Zee?" Valoris said carefully.

  No response. Zee remained motionless, weight distributed across hands and feet, spine curved wrong, head tilted at an angle that suggested she was listening to something beyond normal human perception. Not moving. Barely breathing. Just... existing in that position like it was natural.

  "Zee," Valoris repeated, louder.

  Zee blinked, focused, looked down at herself with sudden confusion. Scrambled upright with embarrassed urgency, brushing imaginary dust from her uniform even though she'd been kneeling on a clean floor.

  "How long was I like that?" Zee asked.

  "I don't know. I just walked in."

  "Fuck." Zee ran her hands through her hair, a gesture that had always been a nervous tell, now looking almost like grooming behavior. "I was... I don't know. I was in Reaver. Thinking about patrol patterns. And then I was here and I was…" She gestured helplessly at the floor. "...like that. It felt normal, Val. That's what scares me. It felt right. Like that's how I'm supposed to exist."

  "You're human," Valoris said firmly. "Humans don't crouch on all fours for extended periods."

  "Humans don't have neural ports connecting them to forty-foot war machines either. Maybe I'm not as human as I used to be. Maybe none of us are."

  Zee's eyes unfocused again, a brief moment where she was somewhere else, experiencing something beyond normal perception, lost in Reaver's consciousness or Reaver's memories or whatever existed in their shared neural space. Then she snapped back, awareness returning with visible effort.

  "That keeps happening," she said quietly. "More frequently. I'll be doing something normal and then suddenly I'm in Reaver's awareness. Seeing through its sensors even though I'm not connected. Feeling its weapon systems. Experiencing its readiness to fight. And when I come back, I can't always remember what I was doing before. Like I lose time. Like Reaver is pulling me."

  "Medical should know about this."

  "Medical already knows. They increase monitoring. They ask how often it happens. They document everything. But they don't stop it. They just observe and take notes and tell me it's 'within acceptable adaptation parameters.'" Zee's voice carried frustration bordering on anger. "What are acceptable parameters? How much can I change before I'm not myself anymore? How much of me gets replaced with Reaver before Zee stops existing?"

  Valoris didn't have answers. She just sat beside Zee in their shared barracks space, offering presence because practical solutions didn't exist.

  "Your hair," Valoris said after a moment of silence.

  "What about it?"

  "It's longer. Wilder. You stopped cutting it regularly."

  Zee touched her hair self-consciously. "Reaver likes it this way. I can feel that through our bond. Prefers it loose and wild instead of tightly controlled. So I just... let it grow."

  "Reaver is influencing your aesthetic choices."

  "Reaver is influencing a lot of my choices." Zee's voice went quiet. "My aggression. My combat instincts. My posture. How I sleep. What I eat. How I move. Sometimes I can't tell if I'm making decisions or if Reaver is making them through me."

  "You're still you," Valoris insisted.

  "Am I? How do you know? How do I know?" Zee looked at her with genuine distress visible beneath her usual composed exterior. "Every day I'm a little different. Every connection changes me a little more. And I don't know if I'm adapting or if I'm being replaced. I don't know if Zee is evolving or if Zee is dying and Reaver is filling the space where I used to be."