Entrance

A hole has finally been drilled through the outer walls of structure inside …. The interior is a vast command center or bunker of some sort, littered with the decayed remains of thousands of dead aliens. Sifting through all this to gain a clearer picture of what exactly was going on inside this asteroid will take considerable time.

The command below will trigger the "Entrance" event in Stellaris:

When this event fires, you can choose between the following option:

• Fascinating.