Astral Migration

While conducting further research into the behavioral patterns of the hatchlings, a being larger than a battleship suddenly phased into existence. The creatures flocked around it, tussling among themselves to get closer to the giant. It appears to be a mature member of the same species. This secluded planet must therefore serve as a safe nesting area for these trans-dimensional beings. As we watched, the adult herded the young toward a newly formed rift in the upper atmosphere. Their passage left a rippling wake of spatial disruption, as well as a large concentration of Astral Threads.

The command below will trigger the "Astral Migration" event in Stellaris:

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

• A remarkable lifeform.

Stellaris events fire in chains — one event leads to the next. Here is how Astral Migration (astral_rift.1120) connects.