Elias watched the progress bar crawl across his terminal. Outside, the mechanical hum of the Overseer drones grew louder, their red searchlights scanning the rain-slicked streets of Sector 4. The drones weren't looking for people; they were looking for unauthorized data packets.

As the file finally mounted, the screen flickered, displaying a stark, retro interface. It wasn't a modern UI; it was built for speed and low-latency execution. The title read:

"No," Elias said, looking at the glowing blue icon of the file. "We just bought enough time to build something bigger. This wasn't just a defense; it was a tutorial."

"They’re hitting the main gate!" Sarah yelled as a drone smashed through the reinforced glass of the server room.