Grave Guardians

Our controlled explosion has opened the way to a previously undetected cavity. Hidden behind the seal, this space was clearly designed to counter intrusion. It was filled to the brim with hostile entities. The Sphere immediately retrieved the anchor, but many of the guardians have exited the rift with us and are following in our wake.

The command below will trigger the "Grave Guardians" event in Stellaris:

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

• We have a problem to deal with.
  • A swarm of Grave Guardians has been unleashed upon us. They have somehow followed us through the rift!