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

Planet eventMean time: 240 months
Grave news from …! The … aliens we have been fighting there somehow managed to collapse the ground under an entire army that was stationed near one of their tunnel entrances. The few soldiers that survived the fall were quickly butchered by the aliens before they could be reached by the rest of our forces.
The command below will trigger the "Collapse" event in Stellaris:
Player choices
When this event fires, you can choose between the following option:
- They will pay for this!
- Add deposit: Subterranean Entrance
Firing conditions
Show raw conditions
has_planet_flag = seismic_disturbance_war
NOT = { has_planet_flag = seismic_disturbance_collapse }
has_army = yes
pop_amount > 0