Subterranean Invasion Defense Force
The "Subterranean Invasion Defense Force" event in Stellaris — flavor, choices, and how to trigger it with the event console command.
Subterranean Invasion Defense Force

Country eventDLC: First Contact
After having determined we are the secret inhabitants of Hollow …, the … have started worrying about what else may be lurking under the surface of …. Military forces have been stationed near caves, faults and volcanoes, poised to meet any further underground invaders with force.
The command below will trigger the "Subterranean Invasion Defense Force" event in Stellaris:
Player choices
When this event fires, you can choose between these 2 options:
- Play along. Offer them military support.
- Start special project: Subterranean Invasion Defense Force
- This is ludicrous.
Event chain
Stellaris events fire in chains — one event leads to the next. Here is how Subterranean Invasion Defense Force (fircon.6025) connects.
Triggered by
- Proving Skeptics Wrong
fircon.6005 - Proving Skeptics Wrong
fircon.6015 - Proving Skeptics Right
fircon.6020
Can lead to
- Sudden Attack!
fircon.6030 - Sudden Eruption!
fircon.6032 - Anticlimactic
fircon.6033
Firing conditions
Show raw conditions
exists = event_target:non_believers_country