SwarmStrengthens Bug moves to inflict 1.5× damage at 1/3 max HP or less.
emeraldheartgold soulsilver
Pokédex
With their taillights lit, VOLBEAT fly in a swarm, drawing geometric designs in the night sky. They move their nests if their pond water becomes dirty.
It emits light from its tail to communicate. It loves the sweet aroma given off by ILLUMISE.