Enemy Lost

Incoming telemetry from the portal reveals a critical development in …: both the fleet of biological ships and their hatchery have been destroyed by an unknown force. Even as we rejoice in knowing that the … have met their end, we cannot ignore the risk that another power may one day seize control of the … system. We must move quickly to secure this strategic location before we face yet another siege.

The command below will trigger the "Enemy Lost" event in Stellaris:

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

• At last, our siege is lifted.