Ecumenopolis Mutations
BiologicalPre-sapient
LithoidNot at creationEcumenopolis Mutations is a biological species trait in Stellaris 4.5.2 that costs no trait points. It is for Biological, Pre-sapient and Lithoid species, added later, not at species creation. It gives -20% Desert Habitability, -20% Arid Habitability and -20% Savanna World Habitability.
What Ecumenopolis Mutations does
Modifier lines by where they apply, as the game prints them; then the trait's own effect text.
- -20%Desert Habitability
- -20%Arid Habitability
- -20%Savanna World Habitability
- -20%Tropical Habitability
- -20%Continental Habitability
- -20%Ocean Habitability
- -20%Tundra Habitability
- -20%Arctic Habitability
- -20%Alpine World Habitability
- +0.2Ecumenopolis Habitability
- -20%Tomb World Habitability
- -20%Volcanic World Habitability
Ecumenopolis Habitability: $@auto_ideal_bonus|0%$
- Dry Climate Habitability: $@auto_base_penalty_sum|0%$
- Wet Climate Habitability: $@auto_base_penalty_sum|0%$
- Cold Climate Habitability: $@auto_base_penalty_sum|0%$
- Tomb World Habitability: $@auto_base_penalty_sum|0%$
- Volcanic World Habitability: $@auto_base_penalty_sum|0%$
When modification offers it
species_potential_add and species_possible_add: when genetic or robotic modification shows and allows the trait (the wording is ours).
In the game
Climate preference is determined by eons of evolution, design, skillful genetic manipulation or, in this case, retroviral agents providing responsive environmental adaptations.
Ecumenopolis Mutations: questions
How many trait points does Ecumenopolis Mutations cost?
Ecumenopolis Mutations costs no trait points (common/traits, Stellaris 4.5.2).
Can I pick Ecumenopolis Mutations at species creation?
No — it is not offered when a species is created (initial = no); it comes from genetic or robotic modification, events or other effects.
What is the ID of Ecumenopolis Mutations?
trait_auto_pc_city_preference
Source: common/traits/01_species_traits_habitability.txt, Stellaris Cygnus v4.5.2 (9776).