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Swarm
Generation III · 31 species
Strengthens Bug moves to inflict 1.5× damage at 1/3 max HP or less.
In detail
When this Pokémon has 1/3 or less of its HP remaining, its Bug-type moves inflict 1.5× as much regular damage. Overworld: If the lead Pokémon has this ability, the wild encounter rate is increased.
In-game description
Powers up Bug-type moves when the Pokémon's HP is low.
As a hidden ability
4 species
