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

Situation eventDLC: BioGenesis
The command below will trigger the "Select a Mutation" event in Stellaris:
Player choices
When this event fires, you can choose between these 3 options:
- Accelerate egg growth.
- Unlocks Behemoth Action: Lay Rapid Behemoth Egg Behemoth Eggs are incubated around Gas Giants for 6 Months, after which it hatches into a small fleet (32). Build Cost: $@behemoth_fast_egg_cost|0$ Hatching Cost: $@behemoth_fast_egg_hatch_cost|0$ Unlocks Policy: Egg Development Careful timing of developmental hormones allows for the selection of the gestated ships.
- Empower our hatchlings.
- Unlocks Behemoth Action: Lay Large Behemoth Egg Behemoth Eggs are incubated around Gas Giants for 1 Year, after which it hatches into a large fleet (96). Build Cost: $@behemoth_slow_egg_cost|0$ Hatching Cost: $@behemoth_slow_egg_hatch_cost|0$ Unlocks Policy: Egg Development Careful timing of developmental hormones allows for the selection of the gestated ships.
- Strengthen the shells.
- Unlocks Behemoth Action: Lay Strengthened Behemoth Egg Behemoth Eggs are incubated around Gas Giants for 2 Years, after which it hatches into a Class I Behemoth. Build Cost: $@behemoth_strong_egg_cost|0$ Hatching Cost: $@behemoth_strong_egg_hatch_cost|0$