Terran Commonwealth · Epsilon Prime · Garipan — War Planning DepartmentTime: Mid-November 2510 · Late Night

  The Sixth Research Office was so quiet it felt suffocating. The hum of the circulation fans was amplified in the empty room into a tense bass note. Leo approached and saw Jack Harlan standing motionless before the “living data-verse” holographic star map. The blue light danced across his face. Crushed coffee capsules were scattered on the floor—he had been standing there for hours.

  “Sir?” Leo began carefully, his iris-overlay lenses reflecting the flowing data. “They’ve pushed for the calculations three times. Colonel Parker’s office… should we wait a little longer?”

  Jack didn’t answer immediately. His mind was replaying last night’s memory of Nova’s kiss on his forehead and her words, “You owe me one.” The feeling was like a bullet embedded in his facade; the pain was still there. His right hand moved through the air, connecting the attack coordinates into a line for the 38th time—not just simple positions, but a four-dimensional connection of intensity gradients, directional vectors, and temporal extensions.

  Leo looked at his expression—the clenching of his jaw, the exhaustion in his eyes, and a persistence that bordered on pain—and felt a chill. He had never seen this fat man, who usually made a joke of himself, wear such a complex expression.

  “Sir…” Leo gathered his courage and pushed his shoulder lightly.

  Jack snapped back to reality, a flash of Loki’s cold clarity in his eyes, but mostly just utter exhaustion. “The thirty-eighth simulation. The result is the same, a certain defeat. Tell me, what the hell is Cyril planning?”

  Leo opened his mouth to say he had run the analysis countless times, but seeing Jack’s state, he swallowed his words. “I’ll try again, sir.”

  Jack initiated a new simulation. The Imperial forces seemed to appear from thin air. That blank spot in the intelligence was a thorn that gave him a headache. If they couldn’t find the enemy’s true weakness in the buffer time won by Admiral Snyder’s fleet, the Garrow Hill defensive line would collapse in a matter of hours.

  He forced his gaze back to the star map and began connecting the seemingly unrelated attack points. This time, he expanded the coordinates to four dimensions: X, Y, Z, and T. The lines suddenly became dense. As he drew the final stroke, the interwoven energy lines formed a strange pattern on the map of Garrow Hill—like some kind of ancient symbol.

  “Wait—” Leo suddenly called out, his eyes locked on the screen. “Sir, this pattern—it’s not a modern tactical marker. It looks… ancient.”

  Leo’s fingertips flew, diving into the deepest levels of the Federation’s military database. Historical archives that had been classified as “valueless” for years flashed by like dusty scrolls being unrolled, fragments from the “Early Earth Federation” to the “Solar System Expansion” era popping up.

  “Found it,” Leo’s voice trembled with a mix of excitement and unease. “The Orion Spur Beacon System—the ‘Orion Glyph’ for short. It was a navigation technology from the Expansion Era: it created markers that lasted for dozens of hours in the gravitational distortion of a jump point by controlling atomic decay to release specific wavelengths, allowing later fleets to identify and locate them.”

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  He projected the ancient, noisy data file in front of Jack, his speech quickening: “Back then, this ‘light powder’ used gravitational lensing to amplify the signal, acting as a new constellation to guide those who came after. It was later replaced by quantum communication, but the Special Reconnaissance Corps adapted these markers into a battlefield cipher: using a series of abnormal activities (brightness, position, decay period) to simulate the characteristics of the ‘light powder,’ thereby forming a recognizable graphic signal behind enemy lines.”

  When Leo mentioned “reconnaissance training,” a broken string snapped in Jack’s mind—he remembered the instructor at the training camp reciting those names with a tone of both reverence and fear. He then turned his gaze back to the hologram—the markers formed by the death coordinates of Federation soldiers were as clear as a template.

  He compressed his recent discovery into three sentences that replayed over and over in his mind: Firepower intensity equals beacon brightness. Attack timing equals decay period. Spatial distribution equals four-dimensional coordinates.

  In an instant, all the fragments pieced together in his brain. He finally understood: the Empire wasn’t just launching indiscriminate assaults. Those attacks, which seemed to disregard all casualties, were “writing” a letter—using human death as light powder, arranging a signal in spacetime that could be remotely measured. This wasn’t an offensive; it was an informational ritual. Clausewitz was trading lives for a recognizable, amplifiable “navigation/cipher” signal.

  Jack’s voice was as low as a grinder: “Leo, if I told you that Cyril was deliberately sending his men to their deaths, using the battlefield as a beacon, would you believe me?”

  Leo didn’t think he was crazy. He grew quiet, his gaze sweeping over the symbol formed by death, and gave a difficult nod.

  “Then what is this symbol saying?” Leo’s voice was dry.

  Jack closed his eyes, as if reciting a lesson from an old instructor. The heavy explanation from the training camp echoed in his mind:

  “The Orion Glyph has three layers of meaning. The first is navigation: it’s safe here. The second is a warning: danger ahead. The third is… a last resort code. Used when a unit is surrounded, out of ammo, and facing total annihilation. It’s not a call for help. It’s a contract.”

  Jack opened his eyes, his words cold and hard: “A Mutual Destruction Compact.”

  He continued, his voice no longer trembling: “It means: ‘I have set a trap to take us all down together. If you want to live, you must kill me before I detonate it. But if you can’t kill me—then we all die.’”

  Leo’s face went pale. “Sir, are you saying that Clausewitz has set up a—on Garrow Hill?”

  “Not just Garrow Hill.” Jack stood up, pointing to the wider star map. “Look at the projected range of this symbol. With us at the center, extending outward for a thousand kilometers, the Federation’s main force, supply points, and even the capital are all within the same geometric coverage.”

  The room was so quiet you could hear breathing. Leo’s voice trembled: “Then we—”

  Jack looked again at the ancient symbol drawn by countless lives. In the blue light, the glyph seemed to blink at them, silent and cold.

  “We either find and destroy their ‘detonator’ in the next twelve hours,” he took a breath, delivering the command like the slice of a knife, “or—”

  He didn’t finish, but they both understood. The end of the sentence was an inescapable option: everyone dies together.

  After a short pause, a new system log flashed in the corner of the main screen—a brief record, as if forcibly written:

  [HUD: ORION_DECRYPT_COMPLETE][VARIANCE: +2.3e-6][WITNESS_LOG: UPDATED]

  The light flickered across them, as if carving the decision into their bones.