"This is a military outpost belonging to the remnants of the Aslan Interstellar Union. It was originally a garrison and monitoring station guarding the main passage connecting to the surface. It also controlled the external surveillance equipment, which could monitor the surrounding area, including this star system and five nearby star systems."
"About 65 years ago, roughly ten years after the Aslan Interstellar Union was defeated and destroyed and its people entered this Spark Base, it was attacked by some kind of force. This sturdy underground fortress put up a fierce resistance, but its entire garrison was quickly wiped out.
As he looked over the intelligence sent back by the search teams, a faint shadow of unease rose in Lin Zhichen's heart.
It was highly likely that no living beings remained in these underground caverns. The last remnants of the Aslan Interstellar Union had probably perished deep beneath this desolate planet.
The key question was: who could have done this?
The Krol Nomad Tribe? The Ankada Death Empire? Or the TV-1514 Ironheart Exterminator?
He didn't believe that any of these three NPC civilizations had the capability. The sheer concealment of these underground caverns showed how much the Aslan Interstellar Union had valued this Spark Base.
After all, this place was more than a thousand light-years from the territory where the Aslan Interstellar Union had revived. Building a concealed underground base in such a distant region would have taken at least a dozen years, even with the technology of a Super Civilization.
Given the need to keep the project secret, the actual construction time might have been twice as long. It was very likely a secret project that the Aslan Interstellar Union had started as soon as it revived, beginning with the selection of a site.
With such a high level