Nova City, the heart of the Prism Corps operations, pulsed with its usual frenetic energy. Neon signs cast a kaleidoscope of colors across the chrome and glass skyscrapers, while hovercars zipped through the air like luminous insects. Astra Blaze, Prism Prime, stood on the observation deck of the Nova Central Tower, her gaze fixed on the distant nebula swirling with an unsettling crimson hue.Unease gnawed at her. For weeks, reports of erratic energy fluctuations had been trickling in from the outer quadrants. The readings defied explanation, hinting at a power source unlike anything the Corps had encountered before. Astra tightened her grip on the Solar Prism, its warmth a familiar comfort against the chill of foreboding.Suddenly, the holographic comm display on her wrist flickered to life. General Solaris, a Vorlaxian with a wizened face and piercing blue eyes, materialized in the shimmering blue light. "Astra," his voice crackled with urgency, "we have an emergency. A distress call from Denarian Korvus on the Xylos asteroid belt. He reports an unidentified vessel draining energy from the Xylos mines."Astra's blood ran cold. The Xylos mines were a vital source of fuel for the Corps' hyper warp engines. An attack there could cripple their ability to respond to threats across the galaxy. "Alert the Centurions," she ordered, her voice firm despite the tremor in her gut. "I'm on my way."Moments later, Astra rocketed into the atmosphere, the Solar Prism channeling solar energy to propel her at supersonic speeds. Leaving the neon cityscape behind, she hurtled towards the Xylos belt, a desolate cluster of asteroids bathed in the harsh glare of a nearby star.As she neared the coordinates, a sight ripped through the darkness that made her breath hitch. A colossal, obsidian battleship unlike anything she'd ever seen hung menacingly over the asteroid field. Its hull, devoid of markings or windows, seemed to absorb all light, exuding an aura of oppressive power.A frantic voice crackled through her comm. "Prism Prime! This is Korvus! They're… draining the life out of everything! My suit… failing!" The transmission cut out abruptly, replaced by a chilling silence.Astra gritted her teeth. Fear was a luxury she couldn't afford. With a surge of solar energy, she propelled herself towards the behemoth ship. A web of crimson energy tendrils snaked out from the vessel, siphoning the life force from the asteroids.As Astra closed the distance, a hail of energy blasts erupted from the warship's hull. She weaved through the barrage, dodging beams that scorched the air around her. Reacting instinctively, she unleashed a torrent of solar energy, carving a path through the energy tendrils.Suddenly, a figure materialized on the bridge of the enemy ship. Tall and cloaked in shadow, it exuded an aura of malevolent power. Astra recognized the figure with a jolt – Nebula Vortex, the rogue Prism Corps member who had vanished years ago."Astra," Nebula's voice echoed eerily through the comm system, laced with dark amusement. "Long time no see. You haven't aged a day, but I see your precious Corps is still just as weak."A wave of fury washed over Astra. Nebula's betrayal had been a deep wound, and the sight of her former comrade working with this unknown enemy ignited a fire within her. "Nebula," she growled, "you'll answer for this!"The battle lines were drawn. In the heart of the Xylos belt, a Prism Prime would face a traitor fueled by an unknown power, with the fate of the Corps hanging in the balance.