What does the Lax nature do?

Lax raises Defense by 10% and lowers Sp. Def by 10%.

What stat does Lax increase?

Lax increases Defense by 10% and decreases Sp. Def by 10%. HP is unaffected.

A Lax Pokémon likes Sour flavors (tied to Defense) and dislikes Bitter flavors (tied to Sp. Def).

Yes. Use a Lax Mint to apply the Lax stat effect to any Pokémon without changing its displayed nature.

Nature

Raises Defense, lowers Sp. Def.

Raises Defense +10%

Lowers Sp. Def −10%

LikesSour

DislikesBitter

Dedicated physical walls paired with special-defense support.

Bold −Attack Relaxed −Speed Impish −Sp. Atk

What does the Lax nature do?: Lax raises Defense by 10% and lowers Sp. Def by 10%.
What stat does Lax increase?: Lax increases Defense by 10% and decreases Sp. Def by 10%. HP is unaffected.
What flavor does a Lax Pokémon like?: A Lax Pokémon likes Sour flavors (tied to Defense) and dislikes Bitter flavors (tied to Sp. Def).
Can I change a Pokémon to Lax?: Yes. Use a Lax Mint to apply the Lax stat effect to any Pokémon without changing its displayed nature.