Tough

Dominance: dominant

Effect: +3 CON.

Breeding: Dominant — one copy expresses. Positive counterpart to Frail.

→ Solve this trait in the Trait Combinator

Sources: https://mewgenicswiki.org/articles/mewgenics-breeding-guide-how-to-breed-the-best-cats, https://mewgenicswiki.org/wiki/mutations/tough — verified 2026-05-21