What does the Modest nature do?

Modest raises Sp. Atk by 10% and lowers Attack by 10%.

What stat does Modest increase?

Modest increases Sp. Atk by 10% and decreases Attack by 10%. HP is unaffected.

A Modest Pokémon likes Dry flavors (tied to Sp. Atk) and dislikes Spicy flavors (tied to Attack).

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

Nature

Raises Sp. Atk, lowers Attack.

Raises Sp. Atk +10%

Lowers Attack −10%

LikesDry

DislikesSpicy

Pure special attackers. The gold-standard special nature.

Mild −Defense Quiet −Speed Rash −Sp. Def

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