Rain

"W-What?" Varian's jaw dropped.

After Prince Shak's team went in, the System did tell him that Synthetic Worlds like these were used by big powers to hold their army.

Since galactic battles were stretched over light-years of distance, the mobility of the army was always an issue.

Despite their ability to transport people between two large distances, Teleportation gates weren't preferred for elite armies because these gates could be manipulated and the armies would die in the space cracks.

And even teleport gates needed time to prepare for long teleportation of big numbers.

Unlike them, Synthetic Worlds were pocket armies. A powerhouse can easily travel long distances in an extremely short time. And then they can release the army from the Synthetic World.

Of course, thanks to the scarcity of these worlds, only the elite of the elite armies had this privilege.

But that's the main usage of Synthetic Worlds.