Mechanical
MachineNot at creationMechanical is a biological species trait in Stellaris 4.5.2 that costs no trait points. It is for Mechanical and Machine species, added later, not at species creation. It gives +1 Machine World Habitability and +0.5 Species Minimum Habitability.
What Mechanical does
Modifier lines by where they apply, as the game prints them; then the trait's own effect text.
- +1Machine World Habitability
- +0.5Species Minimum Habitability
Volcanic World Minimum Habitability: -25%
- Starting Age: 1-10 years
- 
Energy Credits Upkeep per 100 
Pops: +$@living_standard_energy_normal|*0$
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).
- Never (switched off)
In the game
Mechanical beings are several orders of magnitude more complex than the purpose-built automatons of old, but most possess fairly limited processing capabilities.
Mechanical: questions
How many trait points does Mechanical cost?
Mechanical costs no trait points (common/traits, Stellaris 4.5.2).
Can I pick Mechanical 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 Mechanical?
trait_mechanical
Source: common/traits/02_species_traits_basic_characteristics.txt, Stellaris Cygnus v4.5.2 (9776).