Swarm in Pokémon Ultra Sun & Ultra Moon
Ability used by 25 Ultra Sun & Ultra Moon Pokémon.
Flavor text
Powers up Bug-type moves when the Pokémon’s HP is low.
Short effect
Strengthens Bug-type moves to inflict 1.5× damage at 1/3 max HP or less.
Effect
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.
Ability details
Pokémon
Pokémon

Beedrill
#15 • Slot 1



Ledyba
#20 • Slot 1



Ledian
#21 • Slot 1



Spinarak
#22 • Slot 1



Ariados
#23 • Slot 1



Grubbin
#34 • Slot 1


Larvesta
#203 • Hidden Ability



Volcarona
#204 • Hidden Ability



Beautifly
#267 • Slot 1



Volbeat
#313 • Slot 2


Scyther
#365 • Slot 1



Scizor
#366 • Slot 1



Heracross
#367 • Slot 1



Kricketune
#402 • Slot 1


Mothim
#414 • Slot 1



Sewaddle
#540 • Slot 1



Leavanny
#542 • Slot 1



Venipede
#543 • Slot 2



Whirlipede
#544 • Slot 2



Scolipede
#545 • Slot 2



Karrablast
#588 • Slot 1


Escavalier
#589 • Slot 1



Joltik
#595 • Hidden Ability



Galvantula
#596 • Hidden Ability



Durant
#632 • Slot 1

































