Grassy Surge

When this Pokémon has 1/3 or less of its HP remaining, its grass-type moves inflict 1.5× as much regular damage.

Powers up Grass-type moves when the Pokémon's HP is low.

Overgrow

A mysterious evolutionary lump. When held by a
Pokémon that can still evolve, it raises both
Defense and Sp. Def.

It attacks with rapid beats of its stick.
As it strikes with amazing speed, it gets
more and more pumped.

When it uses its special stick to strike up a beat,
the sound waves produced carry revitalizing
energy to the plants and flowers in the area.