Stratospheric Vent Expansion
The "Stratospheric Vent Expansion" event in Stellaris — flavor, choices, and how to trigger it with the event console command.
Stratospheric Vent Expansion

Planet event
Our engineers suggest that the underground gas reserves on … could be fully harnessed by expanding the vents with mining charges. The dangers of the vents collapsing should be negligible, but the local populace should be notified just in case.
The command below will trigger the "Stratospheric Vent Expansion" event in Stellaris:
Player choices
When this event fires, you can choose between these 3 options:
- Set the charges!
- It is not worth the risk.
- The Guild will handle this.Available only if Requires civic: Mining Guilds.
Event chain
Stellaris events fire in chains — one event leads to the next. Here is how Stratospheric Vent Expansion (colony.9965) connects.
Triggered by
- Stratospheric Vents Studied
colony.9955
Can lead to
- Vent Expansion Success
colony.9970 - Vent Expansion Failure
colony.9975