OvergrowStrengthens Grass moves to inflict 1.5× damage at 1/3 max HP or less.
firered leafgreenemerald
Pokédex
Its pleasantly aromatic leaves have the ability to check the humidity and temperature.
It waves its leaf around to keep foes at bay. However, a sweet fragrance also wafts from the leaf, creating a friendly atmosphere that becalms the battlers.