In the year 2492, on the derelict "Anvil VII" military engineer station at the edge of the Orion Arm🚀, interstellar scavenger Kael's fingertips brushed against this "Void Cage Piercing Dagger"🔪 that had slumbered for a century. It was a standard-issue melee weapon developed by the old Federal Expeditionary Force to counter the alien parasitic species "Shade Eaters". The hollow triangular structures on the blade were not for weight reduction—they were psychic cages built from quantum field-conductive materials🌀. Once piercing a Shade Eater's shell, it could trap their core consciousness fragments inside, completely blocking their ability to parasitize hosts⚔️. When the Federal Expeditionary Force retreated in defeat from the "Ash Star Sector", this dagger was left at the bottom of an armory cabinet in the engineer station. Kael wiped off the space dust from the dagger, and the blue matte 3D-printed monolithic structure glowed with a faint energy ripple under the cold emergency light. Suddenly, he heard a faint non-human whisper coming from the hollow slots👻—it was the residual soul of a Shade Eater sealed a hundred years ago, restlessly stirring at the sense of living beings. At that moment, the pressure alarm on the station's outer wall suddenly let out a sharp wail🔊, and the automatic locking system of the hatch was being forcibly breached...