Catastrophic Meltdown
The "Catastrophic Meltdown" event in Stellaris — flavor, choices, and how to trigger it with the event console command.
Catastrophic Meltdown

Fleet event
Several of the reactors on … shows signs of severe meltdown. Many of the containment vessels have been liquefied into radioactive slag. This section of the facility is littered with twisted metal and ruptured coolant tubes. Despite heavy data corruption we were able to determine that an emergency shutdown procedure was initiated but never completed.
The command below will trigger the "Catastrophic Meltdown" event in Stellaris:
Player choices
When this event fires, you can choose between the following option:
- Unfortunate.