Essentials
Swarm

Summary
Strengthens Bug 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.
History
- Before


Increases the frequency of cries heard on the overworld if any party Pokémon has this ability.
- Before

Has no overworld effect.
Flavor
Flavor Text

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Ups BUG moves in a pinch.

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Powers up Bug-type moves in a pinch.

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Powers up Bug-type moves in a pinch.

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Powers up Bug-type moves when the Pokémon is in trouble.

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Powers up Bug-type moves when the Pokémon’s HP is low.
Foreign Names
- Japanese

- むしのしらせ (mushinoshirase)
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- むしのしらせ
- Korean

- 벌레의알림
- Chinese

- 蟲之預感
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- 虫之预感
- French

- Essaim
- German

- Hexaplaga
- Spanish

- Enjambre
- Italian

- Aiutinsetto
- Czech

- Rojení
Pokémon
| Pokémon | Type | Ability | Gender | Egg Group | HP | Atk | Def | SpA | SpD | Spd | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Normal: May be found normally on Pokémon. | ||||||||||||
| Beedrill |
|
Swarm
Sniper |
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Bug | 65 | 90 | 40 | 45 | 80 | 75 | 395 | |
| Scyther |
|
Swarm
Technician Steadfast |
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Bug | 70 | 110 | 80 | 55 | 80 | 105 | 500 | |
| Scizor |
|
Swarm
Technician Light Metal |
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Bug | 70 | 130 | 100 | 55 | 80 | 65 | 500 | |
| Ledyba |
|
Swarm
Early Bird Rattled |
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Bug | 40 | 20 | 30 | 40 | 80 | 55 | 265 | |
| Ledian |
|
Swarm
Early Bird Iron Fist |
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Bug | 55 | 35 | 50 | 55 | 110 | 85 | 390 | |
| Spinarak |
|
Swarm
Insomnia Sniper |
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Bug | 40 | 60 | 40 | 40 | 40 | 30 | 250 | |
| Ariados |
|
Swarm
Insomnia Sniper |
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Bug | 70 | 90 | 70 | 60 | 70 | 40 | 400 | |
| Heracross |
|
Swarm
Guts Moxie |
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Bug | 80 | 125 | 75 | 40 | 95 | 85 | 500 | |
| Beautifly |
|
Swarm
Rivalry |
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Bug | 60 | 70 | 50 | 100 | 50 | 65 | 395 | |
| Volbeat |
|
Illuminate
Swarm Prankster |
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Bug
Human-Like |
65 | 73 | 75 | 47 | 85 | 85 | 430 | |
| Kricketune |
|
Swarm
Technician |
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Bug | 77 | 85 | 51 | 55 | 51 | 65 | 384 | |
| Mothim |
|
Swarm
Tinted Lens |
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Bug | 70 | 94 | 50 | 94 | 50 | 66 | 424 | |
| Sewaddle |
|
Swarm
Chlorophyll Overcoat |
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Bug | 45 | 53 | 70 | 40 | 60 | 42 | 310 | |
| Leavanny |
|
Swarm
Chlorophyll Overcoat |
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Bug | 75 | 103 | 80 | 70 | 80 | 92 | 500 | |
| Venipede |
|
Poison Point
Swarm Speed Boost |
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Bug | 30 | 45 | 59 | 30 | 39 | 57 | 260 | |
| Whirlipede |
|
Poison Point
Swarm Speed Boost |
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Bug | 40 | 55 | 99 | 40 | 79 | 47 | 360 | |
| Scolipede |
|
Poison Point
Swarm Speed Boost |
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Bug | 60 | 100 | 89 | 55 | 69 | 112 | 485 | |
| Karrablast |
|
Swarm
Shed Skin No Guard |
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Bug | 50 | 75 | 45 | 40 | 45 | 60 | 315 | |
| Escavalier |
|
Swarm
Shell Armor Overcoat |
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Bug | 70 | 135 | 105 | 60 | 105 | 20 | 495 | |
| Durant |
|
Swarm
Hustle Truant |
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Bug | 58 | 109 | 112 | 48 | 48 | 109 | 484 | |
| Grubbin |
|
Swarm | ![]() |
Bug | 47 | 62 | 45 | 55 | 45 | 46 | 300 | |
| Hidden: Found on Pokémon from the Dream World and Dream Radar, as well as a few Pokémon from specific in-game encounters. | ||||||||||||
| Joltik |
|
Compound Eyes
Unnerve Swarm |
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Bug | 50 | 47 | 50 | 57 | 50 | 65 | 319 | |
| Galvantula |
|
Compound Eyes
Unnerve Swarm |
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Bug | 70 | 77 | 60 | 97 | 60 | 108 | 472 | |
| Larvesta |
|
Flame Body
Swarm |
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Bug | 55 | 85 | 55 | 50 | 55 | 60 | 360 | |
| Volcarona |
|
Flame Body
Swarm |
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Bug | 85 | 60 | 65 | 135 | 105 | 100 | 550 | |
25 Pokémon










