Vat-Grown

Biological species trait

2 points

Biological

LithoidNot at creation

Vat-Grown is a biological species trait in Stellaris 4.5.2 that costs 2 trait points (base cost). It is for Biological and Lithoid species, added later, not at species creation. It gives +25% Monthly Organic Pop Growth Multiplier, -5% Pop Housing Usage and -10% Pop Amenities Usage. Opposite of Slow Breeders, Rapid Breeders, Rapid Breeders, Fertile and 6 more.

Cost: 2 (base)
At species creation: no
Random species: no
Species: Biological, Lithoid
ID: trait_vat_grown

What Vat-Grown does

Modifier lines by where they apply, as the game prints them; then the trait's own effect text.

Species

+25%Monthly Organic Pop Growth Multiplier
-5%Pop Housing Usage
-10%Pop Amenities Usage

Species · when

from
- Has cloning artificial population tradition
  - Any of
    - Country flag: genetic_ascension_stage_3_cloning
    - Country flag: clone_army_full_potential
  - Has genetic stage 3 tradition
    - Any of

-10%Empire Size from Pops

Opposite traits

A species cannot have this trait together with any of these.

Clone Soldier Descendant

Existential Iteroparity

Psychological Infertility

Egg Laying

Incubators

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).

Can do advanced gene modding
- from
  - When Any of (Without: biogenesis; Tradition: Genetic Traditions)
    - Tradition: Allelic Expression
  - Otherwise
    - Any of

In the game

Artificially grown in cloning vats, the natural reproductive abilities of this species have been negatively impacted.

Vat-Grown: questions

How many trait points does Vat-Grown cost?

Vat-Grown costs 2 trait points (common/traits, Stellaris 4.5.2).

What traits are opposite to Vat-Grown?

Slow Breeders, Rapid Breeders, Rapid Breeders, Fertile, Necrophage, Clone Soldier Descendant, Existential Iteroparity, Psychological Infertility, Egg Laying and Incubators: a species cannot have both.

Can I pick Vat-Grown 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 Vat-Grown?

trait_vat_grown

Source: common/traits/09_ascension_traits.txt, Stellaris Cygnus v4.5.2 (9776).