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Swarm

Description

When the wielder is at 1/3 HP or less, all of its Bug-type moves will have 50% more power.

Outside of battle, it can be used to increase the wild encounter rate.

Competitive Use

There isn't much competitive use to this ability, since most Bug-types suck or have better abilities. The best one to look forward to might well be Volcarona, since it takes 50% damage from Stealth Rock, so is worn down quickly, and with Quiver Dance it may well be a potent threat, but unfortunately Swarm is illegal on it at the time of writing, until it is released in the Dream World. Escavalier is also a Pokemon that can hit hard and use strong Bug-type moves, so the boost is welcome there too.

Found normally

Pokémon Type Tier Abilities HP Atk Def SpA SpD Spe BST
Ariados Bug / Poison NU Swarm / Insomnia / Sniper 70 90 70 60 60 40 390
Beautifly Bug / Flying NU Swarm / Rivalry 60 70 50 90 50 65 385
Beedrill Bug / Poison NU Swarm / Sniper 65 80 40 45 80 75 385
Durant Bug / Steel RU Swarm / Hustle / Truant 58 109 112 48 48 109 484
Escavalier Bug / Steel RU Swarm / Shell Armor / Overcoat 70 135 105 60 105 20 495
Heracross Bug / Fighting UU Swarm / Guts / Moxie 80 125 75 40 95 85 500
Karrablast Bug LC Swarm / Shed Skin / No Guard 50 75 45 40 45 60 315
Kricketune Bug NU Swarm / Technician 77 85 51 55 51 65 384
Leavanny Bug / Grass NU Swarm / Chlorophyll / Overcoat 75 103 80 70 70 92 490
Ledian Bug / Flying NU Swarm / Early Bird / Iron Fist 55 35 50 55 110 85 390
Ledyba Bug / Flying LC Swarm / Early Bird / Rattled 40 20 30 40 80 55 265
Mothim Bug / Flying NU Swarm / Tinted Lens 70 94 50 94 50 66 424
Scizor Bug / Steel OU Swarm / Technician / Light Metal 70 130 100 55 80 65 500
Scolipede Bug / Poison NU Poison Point / Swarm / Quick Feet 60 90 89 55 69 112 475
Scyther Bug / Flying RU Swarm / Technician / Steadfast 70 110 80 55 80 105 500
Sewaddle Bug / Grass LC Swarm / Chlorophyll / Overcoat 45 53 70 40 60 42 310
Spinarak Bug / Poison LC Swarm / Insomnia / Sniper 40 60 40 40 40 30 250
Venipede Bug / Poison LC Poison Point / Swarm / Quick Feet 30 45 59 30 39 57 260
Volbeat Bug NU Illuminate / Swarm / Prankster 65 73 55 47 75 85 400

Found in Dream World

Pokémon Type Tier Abilities HP Atk Def SpA SpD Spe BST
Galvantula Bug / Electric RU Compoundeyes / Unnerve / Swarm 70 77 60 97 60 108 472
Joltik Bug / Electric LC Compoundeyes / Unnerve / Swarm 50 47 50 57 50 65 319
Larvesta Bug / Fire LC Flame Body / Swarm 55 85 55 50 55 60 360
Volcarona Bug / Fire OU Flame Body / Swarm 85 60 65 135 105 100 550