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

Planet event
Something stirs on the moon of …. Preliminary scans indicate that some ancient technology has become active, possibly as a response to our colonization efforts. Several of our top scientists are eager to take a closer look at the moon, and have prepared a special research project.
The command below will trigger the "A Prelude" event in Stellaris:
Player choices
When this event fires, you can choose between the following option:
- Of course they have.
- Start special project: Left Behind
Firing conditions
Show raw conditions
owner = {
NOT = { has_country_flag = FLDrone_country }
is_wilderness_empire = no
}
pop_amount > 0
NOR = {
is_planet_class = pc_habitat
has_planet_flag = colony_event
has_planet_flag = FLDrone_event
}
has_moon = yes
any_moon = {
habitable_planet = no
}