Guardian

A hostile remnant more powerful than any we've encountered from the former … has broadcast the interstellar equivalent of a short-range targeting ping. Clearly it intends to intimidate us. We have come dangerously close to the center of the former Machine empire. Our destiny awaits.

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

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

• Acknowledged.

Conditions the game checks before this event can fire:

• Requires origin: Hard Reset

has_origin = origin_unplugged
fromfromfrom = {
  has_fleet_flag = unplugged_homeworld_intercept_fleet
}