What does the Mild nature do?

Mild raises Sp. Atk by 10% and lowers Defense by 10%.

What stat does Mild increase?

Mild increases Sp. Atk by 10% and decreases Defense by 10%. HP is unaffected.

A Mild Pokémon likes Dry flavors (tied to Sp. Atk) and dislikes Sour flavors (tied to Defense).

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

Nature

Raises Sp. Atk, lowers Defense.

Raises Sp. Atk +10%

Lowers Defense −10%

LikesDry

DislikesSour

Special-leaning mixed attackers that don't take physical hits.

Modest −Attack Quiet −Speed Rash −Sp. Def

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