Additional effect

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Anadditional effect (Japanese:追加効果(ついかこうか)additional effect), sometimes also called anadded effect, is the in-battle secondary effect of adamaging move.

Additional effect modifiers

There are several moves andAbilities, as well as an item, which influence the additional effects of moves.

  • The AbilitySerene Grace doubles the chances of the Pokémon's own moves' additional effects occurring (up to 100%).
  • The AbilityShield Dust shields the Pokémon from the additional effects of moves.
  • The AbilitySheer Force boosts the damage of the Pokémon's own moves with additional effects, but prevents their additional effects from occurring.
  • The rainbow created byWater Pledge when used in combination withFire Pledge doubles the chances of additional effects occurring.
  • Theheld itemCovert Cloak protects the holder from the additional effects of moves.

The effects of the rainbow and Serene Grace stack, except for chances toflinch (which can only be doubled once), meaning that when used together they quadruple the chance of additional effects. Internally, the chance of an additional effect is stored in a byte; as such, in Generations V to VIII, if the chance of an additional effect is increased past 255 by a combination of Serene Grace and the rainbow effect, it will overflow and wrap back around from 0. This only matters forCharge Beam, whose 70% chance would become 280%, thus causing it to overflow to 24%, as moves with 100% effect chance would overflow back to 100%.

Classification

Only damaging moves can count as moves with additional effects. Additional effects typically include moves with a chance to increase the user's stats, decrease the target's stats, inflictstatus conditions, or causeflinching. Even if the effect has a 100% chance of applying, it can still be classified as an additional effect.

Some moves have multiple additional effects; for example,Ice Fang has a 10% chance offreezing the target and an independent 10% chance of causing the target toflinch.

The effects ofAnchor Shot,Ceaseless Edge,Eerie Spell,Genesis Supernova,Secret Power,Sparkling Aria,Spirit Shackle, andStone Axe are explicitly enumerated as being additional effects, though they would not otherwise be counted as such if not for this exception. Notably,Thousand Waves (which otherwise has an identical effect to Anchor Shot and Spirit Shackle) is not considered to have additional effects.

The AbilitiesStench andPoison Touch and theheld itemsRazor Fang andKing's Rock grant additional effects to moves. However, Sheer Force only boosts moves that always have additional effects; granting a move an additional effect this way will not allow it to be boosted by Sheer Force if it otherwise would not, but these effects will be suppressed by Sheer Force if it is boosted by Sheer Force (due to already having an additional effect). Similarly, additional effects caused by usingFling while holding specific items are additional effects and are blocked by Shield Dust, but Fling is not affected by Sheer Force (regardless of the held item).

Max Moves are not considered to have additional effects, but someZ-Moves (such asGenesis Supernova andStoked Sparksurfer) are.

Moves that lower the user's stat stages (such asOverheat andClose Combat) are not considered to have an additional effect, even if they also raise a stat (such asScale Shot).HP draining, such as the effect ofGiga Drain, is also not considered an additional effect. The item-removing effect ofKnock Off, item-stealing effect ofThief andCovet,status condition-curing effect ofSmelling Salts andWake-Up Slap, barrier-removing effect ofBrick Break andPsychic Fangs, the type-changing effect ofBurn Up andDouble Shock, andswitch-forcing effect ofDragon Tail andCircle Throw are not considered additional effects.

List of moves with additional effects

MoveTypeCategoryChanceAdditional effect
AcidPoisonSpecial10%Lowers the target'sSpecial Defense by 1stage.
Acid SprayPoisonSpecial100%Lowers the target's Special Defense by 2 stages.
Air SlashFlyingSpecial30%Inflictsflinch on the target.
Anchor ShotSteelPhysical100%Traps the target.
Ancient PowerRockSpecial10%Raises all of the user'sstats (Attack,Defense,Special Attack, Special Defense, andSpeed) by 1 stage.
Apple AcidGrassSpecial100%Lowers the target's Special Defense by 1 stage.
Aqua StepWaterPhysical100%Raises the user's Speed by 1 stage.
AstonishGhostPhysical30%Inflicts flinch on the target.
Aura WheelElectricPhysical100%Raises the user's Speed by 1 stage.
Aurora BeamIceSpecial10%Lowers the target's Attack by 1 stage.
Axe KickFightingPhysical30%Inflictsconfusion on the target.
Barb BarragePoisonPhysical50%Inflictspoison on the target.
BiteDarkPhysical30%Inflicts flinch on the target.
Bitter MaliceGhostSpecial100%Lowers the target's Attack by 1 stage.
Blaze KickFirePhysical10%Inflictsburn on the target.
Blazing TorqueFirePhysical30%Inflicts burn on the target.
Bleakwind StormFlyingSpecial20%Lowers the target's Speed by 1 stage.
BlizzardIceSpecial10%Inflictsfreeze on the target.
Blue FlareFireSpecial20%Inflicts burn on the target.
Body SlamNormalPhysical30%Inflictsparalysis on the target.
Bolt StrikeElectricPhysical20%Inflicts paralysis on the target.
Bone ClubGroundPhysical10%Inflicts flinch on the target.
BounceFlyingPhysical30%Inflicts paralysis on the target.
Breaking SwipeDragonPhysical100%Lowers the target's Attack by 1 stage.
BubbleWaterSpecial10%Lowers the target's Speed by 1 stage.
Bubble BeamWaterSpecial10%Lowers the target's Speed by 1 stage.
Bug BuzzBugSpecial10%Lowers the target's Special Defense by 1 stage.
BulldozeGroundPhysical100%Lowers the target's Speed by 1 stage.
Burning JealousyFireSpecialVariesInflicts burn on targets with increased stats.
Buzzy BuzzElectricSpecial100%Inflicts paralysis on the target.
Ceaseless EdgeDarkPhysical100%CreatesSpikes on the target's side of the field.
Charge BeamElectricSpecial70%Raises the user's Special Attack by 1 stage.
ChatterFlyingSpecial100%Inflicts confusion on the target.
Chilling WaterWaterSpecial100%Lowers the target's Attack by 1 stage.
Clangorous SoulblazeDragonSpecial100%Raises all of the user's stats (Attack, Defense, Special Attack, Special Defense, and Speed) by 1 stage.
Combat TorqueFightingPhysical30%Inflicts paralysis on the target.
ConfusionPsychicSpecial10%Inflicts confusion on the target.
ConstrictNormalPhysical10%Lowers the target's Speed by 1 stage.
Cross PoisonPoisonPhysical10%Inflicts poison on the target.
CrunchDarkPhysical20%Lowers the target's Defense by 1 stage.
Crush ClawNormalPhysical50%Lowers the target's Defense by 1 stage.
Dark PulseDarkSpecial20%Inflicts flinch on the target.
Diamond StormRockPhysical50%Raises the user's Defense by 2 stages.
Dire ClawPoisonPhysical50%Inflicts poison, paralysis, orsleep on the target.
DischargeElectricSpecial30%Inflicts paralysis on the target.
Dizzy PunchNormalPhysical20%Inflicts confusion on the target.
Double Iron BashSteelPhysical30%Inflicts flinch on the target.
Dragon BreathDragonSpecial30%Inflicts paralysis on the target.
Dragon RushDragonPhysical20%Inflicts flinch on the target.
Drum BeatingGrassPhysical100%Lowers the target's Speed by 1 stage.
Dynamic PunchFightingPhysical100%Inflicts confusion on the target.
Earth PowerGroundSpecial10%Lowers the target's Special Defense by 1 stage.
Eerie SpellPsychicSpecial100%Reduces thePP of the target's most recently used move by 3.
ElectrowebElectricSpecial100%Lowers the target's Speed by 1 stage.
EmberFireSpecial10%Inflicts burn on the target.
Energy BallGrassSpecial10%Lowers the target's Special Defense by 1 stage.
Esper WingPsychicSpecial100%Raises the user's Speed by 1 stage.
ExtrasensoryPsychicSpecial10%Inflicts flinch on the target.
Fake OutNormalPhysical100%Inflicts flinch on the target.
Fiery DanceFireSpecial50%Raises the user's Special Attack by 1 stage.
Fiery WrathDarkSpecial20%Inflicts flinch on the target.
Fire BlastFireSpecial10%Inflicts burn on the target.
Fire FangFirePhysical19%Inflicts flinch or burn on the target.
Fire LashFirePhysical100%Lowers the target's Defense by 1 stage.
Fire PunchFirePhysical10%Inflicts burn on the target.
Flame ChargeFirePhysical100%Raises the user's Speed by 1 stage.
Flame WheelFirePhysical10%Inflicts burn on the target.
FlamethrowerFireSpecial10%Inflicts burn on the target.
Flare BlitzFirePhysical10%Inflicts burn on the target.
Flash CannonSteelSpecial10%Lowers the target's Special Defense by 1 stage.
FlingDarkPhysical100%Varies with held item. Not considered an additional effect by Sheer Force.
Floaty FallFlyingPhysical30%Inflicts flinch on the target.
Focus BlastFightingSpecial10%Lowers the target's Special Defense by 1 stage.
Force PalmFightingPhysical30%Inflicts paralysis on the target.
Freeze-DryIceSpecial10%Inflicts freeze on the target.
Freeze ShockIcePhysical30%Inflicts paralysis on the target.
Freezing GlarePsychicSpecial10%Inflicts freeze on the target.
Genesis SupernovaPsychicSpecial100%Creates Psychic Terrain.
GlaciateIceSpecial100%Lowers the target's Speed by 1 stage.
Grav AppleGrassPhysical100%Lowers the target's Defense by 1 stage.
Gunk ShotPoisonPhysical30%Inflicts poison on the target.
HeadbuttNormalPhysical30%Inflicts flinch on the target.
Heart StampPsychicPhysical30%Inflicts flinch on the target.
Heat WaveFireSpecial10%Inflicts burn on the target.
HurricaneFlyingSpecial30%Inflicts confusion on the target.
Hyper FangNormalPhysical10%Inflicts flinch on the target.
Ice BeamIceSpecial10%Inflicts freeze on the target.
Ice BurnIceSpecial30%Inflicts burn on the target.
Ice FangIcePhysical19%Inflicts flinch or freeze on the target.
Ice PunchIcePhysical10%Inflicts freeze on the target.
Icicle CrashIcePhysical30%Inflicts flinch on the target.
Icy WindIceSpecial100%Lowers the target's Speed by 1 stage.
Infernal ParadeGhostSpecial30%Inflicts burn on the target.
InfernoFireSpecial100%Inflicts burn on the target.
Iron HeadSteelPhysical30%Inflicts flinch on the target.
Iron TailSteelPhysical10%Lowers the target's Defense by 1 stage.
Lava PlumeFireSpecial30%Inflicts burn on the target.
Leaf TornadoGrassSpecial30%Lowers the target's accuracy by 1 stage.
LickGhostPhysical30%Inflicts paralysis on the target.
LiquidationWaterPhysical20%Lowers the target's Defense by 1 stage.
Low SweepFightingPhysical100%Lowers the target's Speed by 1 stage.
Lumina CrashPsychicSpecial100%Lowers the target's Special Defense by 2 stages.
LungeBugPhysical100%Lowers the target's Attack by 1 stage.
Luster PurgePsychicSpecial50%Lowers the target's Special Defense by 1 stage.
Magical TorqueFairyPhysical30%Inflicts confusion on the target.
Malignant ChainPoisonSpecial50%Inflicts badly poisoned on the target.
Matcha GotchaGrassSpecial20%Inflicts burn on the target.
Metal ClawSteelPhysical10%Raises the user's Attack by 1 stage.
Meteor MashSteelPhysical20%Raises the user's Attack by 1 stage.
Mirror ShotSteelSpecial30%Lowers the target's accuracy by 1 stage.
Mist BallPsychicSpecial50%Lowers the target's Special Attack by 1 stage.
MoonblastFairySpecial30%Lowers the target's Special Attack by 1 stage.
Mortal SpinPoisonPhysical100%Inflicts poison on the target.
Mountain GaleIcePhysical30%Inflicts flinch on the target.
Mud BombGroundSpecial30%Lowers the target's accuracy by 1 stage.
Mud ShotGroundSpecial100%Lowers the target's Speed by 1 stage.
Mud-SlapGroundSpecial100%Lowers the target's accuracy by 1 stage.
Muddy WaterWaterSpecial30%Lowers the target's accuracy by 1 stage.
Mystical FireFireSpecial100%Lowers the target's Special Attack by 1 stage.
Mystical PowerPsychicSpecial100%Raises the user's Special Attack by 1 stage.
Needle ArmGrassPhysical30%Inflicts flinch on the target.
Night DazeDarkSpecial40%Lowers the target's accuracy by 1 stage.
Noxious TorquePoisonPhysical30%Inflicts poison on the target.
NuzzleElectricPhysical100%Inflicts paralysis on the target.
OctazookaWaterSpecial50%Lowers the target's accuracy by 1 stage.
Ominous WindGhostSpecial10%Raises all of the user's stats (Attack, Defense, Special Attack, Special Defense, and Speed) by 1 stage.
Order UpDragonPhysical100%Raises one of the user's stats (Attack, Defense, or Speed) by 1 stage. The boosted stat depends on theTatsugiri's form. SeeOrder Up.
Play RoughFairyPhysical10%Lowers the target's Attack by 1 stage.
Poison FangPoisonPhysical50%Inflicts bad poison on the target.
Poison JabPoisonPhysical30%Inflicts poison on the target.
Poison StingPoisonPhysical30%Inflicts poison on the target.
Poison TailPoisonPhysical10%Inflicts poison on the target.
PounceBugPhysical100%Lowers the target's Speed by 1 stage.
Powder SnowIceSpecial10%Inflicts freeze on the target.
Power-Up PunchFightingPhysical100%Raises the user's Attack by 1 stage.
PsybeamPsychicSpecial10%Inflicts confusion on the target.
PsychicPsychicSpecial10%Lowers the target's Special Defense by 1 stage.
Psychic NoisePsychicSpecial100%Prevents the target from recovering HP for 2 turns. Can also hit the substitute.
Psyshield BashPsychicPhysical100%Raises the user's Defense by 1 stage.
Pyro BallFirePhysical10%Inflicts burn on the target.
Rapid SpinNormalPhysical100%Raises the user's Speed by 1 stage.
Razor ShellWaterPhysical50%Lowers the target's Defense by 1 stage.
Relic SongNormalSpecial10%Inflicts sleep on the target.
Rock ClimbNormalPhysical20%Inflicts confusion on the target.
Rock SlideRockPhysical30%Inflicts flinch on the target.
Rock SmashFightingPhysical50%Lowers the target's Defense by 1 stage.
Rock TombRockPhysical100%Lowers the target's Speed by 1 stage.
Rolling KickFightingPhysical30%Inflicts flinch on the target.
Sacred FireFirePhysical50%Inflicts burn on the target.
Salt CureRockPhysical100%Inflicts 1/8 of the target's maximum HP as damage per turn; if the target isWater orSteel, it inflicts 1/4 of the target's max HP as damage.
Sandsear StormGroundSpecial20%Inflicts burn on the target.
ScaldWaterSpecial30%Inflicts burn on the target.
Scorching SandsGroundSpecial30%Inflicts burn on the target.
Searing ShotFireSpecial30%Inflicts burn on the target.
Secret PowerNormalPhysical30%Special: Inflicts varying conditions depending on the battle environment. SeeSecret Power.
Seed FlareGrassSpecial40%Lowers the target's Special Defense by 2 stages.
Shadow BallGhostSpecial20%Lowers the target's Special Defense by 1 stage.
Shadow BoneGhostPhysical20%Lowers the target's Defense by 1 stage.
Shell Side ArmPoisonSpecial20%Inflicts poison on the target.
Signal BeamBugSpecial10%Inflicts confusion on the target.
Silver WindBugSpecial10%Raises all of the user's stats (Attack, Defense, Special Attack, Special Defense, and Speed) by 1 stage.
Sizzly SlideFirePhysical100%Inflicts burn on the target.
Skitter SmackBugPhysical100%Lowers the target's Special Attack by 1 stage.
Sky AttackFlyingPhysical30%Inflicts flinch on the target.
SludgePoisonSpecial30%Inflicts poison on the target.
Sludge BombPoisonSpecial30%Inflicts poison on the target.
Sludge WavePoisonSpecial10%Inflicts poison on the target.
SmogPoisonSpecial40%Inflicts poison on the target.
SnarlDarkSpecial100%Lowers the target's Special Attack by 1 stage.
SnoreNormalSpecial30%Inflicts flinch on the target.
SparkElectricPhysical30%Inflicts paralysis on the target.
Sparkling AriaWaterSpecial100%If the target has a burn, cures that burn.
Spirit BreakFairyPhysical100%Lowers the target's Special Attack by 1 stage.
Spirit ShackleGhostPhysical100%Traps the target.
Splishy SplashWaterSpecial30%Inflicts paralysis on the target.
Springtide StormFairySpecial30%Lowers the target's Attack by 1 stage.
Steam EruptionWaterSpecial30%Inflicts burn on the target.
SteamrollerBugPhysical30%Inflicts flinch on the target.
Steel WingSteelPhysical10%Raises the user's Defense by 1 stage.
Stoked SparksurferElectricSpecial100%Inflicts paralysis on the target.
StompNormalPhysical30%Inflicts flinch on the target.
Stone AxeRockPhysical100%CreatesStealth Rock on the target's side of the field.
Strange SteamFairySpecial20%Inflicts confusion on the target.
Struggle BugBugSpecial100%Lowers the target's Special Attack by 1 stage.
Syrup BombGrassSpecial100%Causes the target's Speed to be lowered by 1 stage each turn for 3 turns.
Throat ChopDarkPhysical100%Prevents the target from using sound-based moves.
ThunderElectricSpecial30%Inflicts paralysis on the target.
Thunder FangElectricPhysical19%Inflicts flinch or paralysis on the target.
Thunder PunchElectricPhysical10%Inflicts paralysis on the target.
Thunder ShockElectricSpecial10%Inflicts paralysis on the target.
ThunderboltElectricSpecial10%Inflicts paralysis on the target.
Thunderous KickFightingPhysical100%Lowers the target's Defense by 1 stage.
Torch SongFireSpecial100%Raises the user's Special Attack by 1 stage.
TrailblazeGrassPhysical100%Raises the user's Speed by 1 stage.
Tri AttackNormalSpecial20%Inflicts burn, freeze, or paralysis on the target.
Triple ArrowsFightingPhysical65%Lowers the target's Defense by 1 stage or inflicts flinch on the target.
Trop KickGrassPhysical100%Lowers the target's Attack by 1 stage.
TwineedleBugPhysical20%Inflicts poison on the target.
TwisterDragonSpecial20%Inflicts flinch on the target.
Volt TackleElectricPhysical10%Inflicts paralysis on the target.
Water PulseWaterSpecial20%Inflicts confusion on the target.
WaterfallWaterPhysical20%Inflicts flinch on the target.
Wicked TorqueDarkPhysical10%Inflicts sleep on the target.
Wildbolt StormElectricSpecial20%Inflicts paralysis on the target.
Zap CannonElectricSpecial100%Inflicts paralysis on the target.
Zen HeadbuttPsychicPhysical20%Inflicts flinch on the target.
Zing ZapElectricPhysical30%Inflicts flinch on the target.

In other languages

LanguageTitle
ChineseCantonese追加效果
Mandarin追加效果
FrenchCumul d'effet*
Effet additionnel*
GermanZusatzeffekt*
Besonderer Effekt*
ItalianEffetto aggiuntivo
Korean추가 효과가
PortugueseEfeito adicional
SpanishEfecto secundario

See also

This game mechanic article is part ofProject Games, aBulbapedia project that aims to write comprehensive articles on thePokémon games.