Dimensional Pocket

The … never made it all the way to … to study the anomalies surrounding it. The ship, along with Science Officer … and crew, blinked out of existence as it was navigating the debris field. And then reappeared minutes later. … reports that they found themselves, briefly, in some extra-dimensional space. External viewports revealed that they were surrounded by countless ships of alien design, suspended in a seemingly endless void. Before the crew could get their bearings, the vision abruptly faded and they found themselves back in regular space. However, roughly half of the crew are missing - Science Officer … speculates that they may have been selectively trapped, by some unknowable mechanism, in that strange space.

The command below will trigger the "Dimensional Pocket" event in Stellaris:

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

• Unfortunate.
  • +200 leader experience

Stellaris events fire in chains — one event leads to the next. Here is how Dimensional Pocket (anomaly.210) connects.