The chamber didn’t resemble anything from orientation. Nova had envisioned something dark, sinister, secretive; instead, the environment was bright and sterile. Twelve transparent pods, each barely large enough for a standing adult. Fine struts of what appeared to be platinum and iridium webbed between the pods, converging overhead like a chandelier of fiber optics, which glowed blue and disappeared into space. Every surface was reflective, so the room seemed to float in a void made of light and ghosts.

  Nova let the techs glove her in, sensors cold against the heat of her skin. She caught a glimpse of herself in the pod’s curve: face pale, eyes wide and black, hair too short to hide the tension in her jaw. The interface gloves clamped tight, a microcurrent teasing the old scar above her left wrist. She stilled her hands, refusing the urge to fidget. There was an audience, and their attention was as heavy as the gloves themselves.

  She glimpsed Rhea Kaito standing motionless, arms at her sides. She allowed the techs to wire her up. As she noticed her reflection, Nova wondered if Rhea was replaying a thousand disaster scenarios. The only sign of life was the slow dilation of her pupils as the chamber’s light shifted from neutral to blue.

  To Nova’s left, Tarek Duno grinned and gave her a thumbs-up as the techs sealed him in. It was pure performance—everyone here knew the stats on Duno’s risk tolerance—but she appreciated the gesture. Beside Duno, Mira Solace vibrated with nervous energy, clutching her hands to her chest and murmuring a stream of numbers that might have been prayer, calibration, or just a way to keep panic at bay.

  A disembodied voice, perfectly modulated, filled the chamber: “Begin readiness protocol. Initiating pre-sequence in five.”

  The techs vanished into the glass-walled control ring, their faces instantly replaced by the blank ovals of camera domes. A ripple of low sound—just above conscious hearing—spread through the chamber, vibrating the floor, the air, and, for Nova, the inside of her skull. Her feet tingled. She flexed her toes, watching the blue light in her pod flicker sympathetically.

  At zero, the world snapped to white, then settled back into a colorless nothing. The gloves pulsed. Something cold ran from Nova’s temples down her spine, reformatting her sense of up and down.

  The simulation was live.

  ***

  Nova’s mind filled with patterns. Not the slow, logical click of a spreadsheet, but an avalanche of shifting shapes, each representing a parameter of LUMEN’s state. She sensed herself as a point of reference inside a storm of variables—every heartbeat, every blink, every fiber in her muscles mapped to a color, a pressure, a taste. It was overwhelming, but not painful; more like standing in the surf, learning which waves would knock you down and which would lift you up.

  She let herself float first. It was the only way to survive the opening spike. The gloves interpreted her micro-movements and translated them to code, which she could see in her mind as lines of light wrapping and braiding together. It was beautiful in a way that made her want to cry, though she could not feel her face to know if she did.

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  The test parameters arrived as a series of pulses—each one a request for an action, a reaction, a prediction. Nova’s hands moved without conscious intent, fingers playing the interface like a stringed instrument. She sensed the other candidates in the web: Tarek’s presence was blunt, forceful, always trying to solve for maximum output; Mira’s was jittery, flooding the network with data and then doubting her own answers. Rhea, though—Rhea was a wall. Every input from her pod reflected perfectly, cold and exact, with no entropy at all.

  The first round was easy, a warm-up: balance the load, harmonize the signal, keep the web from crashing. Nova let the energy course through her, amplifying the feedback in ways she didn’t even have words for. She pushed out a solution that didn’t just stabilize the system but tuned it, so the entire array vibrated with the same subtle hum. She sensed, at the edge of her awareness, approval from the observation deck—a heat, a gaze—but she did not look up.

  The next round came harder. This time, the system introduced noise: a sabotage code mimicking the real-world intrusion LUMEN would have to face outside of training. Nova caught it before it hit her pod, flicked it away with a feint, then used the energy to reinforce Mira’s failing thread. Mira’s signature brightened; she steadied. The test iterated, the requests increased in tempo and complexity, but Nova felt herself speeding up in sync.

  Then the simulation changed. The blue-white in her pod shifted to a strobing violet, and new data arrived—slippery, nonlinear, with echoes that rang backwards and forwards. This was new, unscripted, nothing like what they’d trained for. The gloves burned cold; her heart jackhammered, but the sensation was almost exhilarating.

  She let the data through her, let it crash, then did something she’d never tried before: instead of fighting the signal, she sang to it, matched its rhythm, let her own consciousness become the oscillator. The feedback loop snapped into place. All at once, every pod in the array pulsed as one, the whole chamber trembling with a frequency she recognized—her brother’s, from the old days, before the grid had eaten him alive.

  For a second, Nova lost herself in the resonance. Then, she snapped back, reorienting herself as she stood in the pod, the blue-white light enveloping her. She was alone in the glass, her own face ghosted with a dozen other overlays, all of them hers.

  The cycle ended abruptly, and the chamber’s illumination gradually rose, letting her eyes adjust to the harsh glare of clinical light. The control ring was a hive of urgent movement; techs pointed and argued over the readouts, the wall screens flickering with unfamiliar diagnostic outputs. Nova pulled off her gloves, her hands shaking from the endorphin drop. Her pod unlatched. Outside, Tarek and Mira stood slack-jawed.

  “That wasn’t in the manual,” Mira said to no one in particular.

  She scanned for Rhea. The opposite pod was still sealed, the blue-white inside now faded to gray. After a moment, the glass hissed open, and Rhea stepped out, face unreadable, eyes fixed on Nova. There was a new tightness to her mouth, a line of frustration or awe. She walked over, slowly, then stopped half a pace too close.

  “What the fuck did you just do?” Rhea’s voice was a low, surgical cut.

  Nova looked past her to the wall screen where her own sync rate scrolled in angry red. “Whatever the system told me.”

  Rhea shook her head.

  “No one’s ever pulled a harmonic override. You didn’t crash—you bent it.”

  Nova shrugged, but inside she felt the cold, expanding edge of terror: not at the power, but at how easy it had been. She saw Eliot Maren in the control ring, his face ashen, fingers tapping a private code into the console. Beyond him, higher in the gallery, stood Quartus—arms behind his back, fractured echo-glass catching the light and scattering it into spectrums that seemed to move independently of the rest of the room.

  The director watched her for a long time. Then, almost imperceptibly, he nodded.

  Nova knew this wasn’t a test but a prelude.