The transit back to Earth did not require a celestial gate or a physical wormhole. When you possess the administrative source code of the entire cosmos, distance is simply a variable waiting to be edited.
Ren stood perfectly still on the command deck of the flagship, his pitch-black, tungsten-sheened silhouette completely absorbing the soft blue emergency lights. He didn't touch the navigation console. He simply looked out the polarized glass at the infinite, sprawling dark of the universe, and commanded the localized spatial geometry of his home planet to instantly map to his current coordinates.
The void outside the window did not blur. The infinite expanse of stars simply instantly swapped with the massive, silent curvature of Earth.
The twenty-ship fleet had dropped perfectly into a stable, high-orbit trajectory.
