Vault of Knowledge

The energy barrier that surrounded … has been lowered by our scientists, revealing a barren world with a single massive structure on its surface. Away teams sent into the structure have reported a massive vault filled with technological marvels. This vault appears to have been established by … scientists soon after their empire began its long decline thousands of years ago, as a means to preserve some of their knowledge for the benefit of future generations of ….

The command below will trigger the "Vault of Knowledge" event in Stellaris:

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

• Now it shall benefit us.
  • Gain Engineering