Field Effects
Introduction
Field effects change the battle environment and affect all Pokémon (or grounded ones, for terrain). They last a set number of turns—typically 5, or 8 with extension items. Weather extension items: (sun), (rain), (sandstorm), (snow). Terrain extension: . Weather affects everyone; terrain only affects Pokémon that are grounded (not Flying-type or holding Air Balloon, etc.).
This guide covers weather effects and terrain effects:
Weather
Terrain
Harsh sunlight
Effects
- Boosts fire moves by x1.5
- Weakens water moves by x0.5
- No Pokémon can be frozen
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Moves affected
- : Charges in one turn instead of two
- : Charges in one turn instead of two
- : Accuracy reduced to 50%
- : Accuracy reduced to 50%
- : Raises Attack and Sp. Atk by two stages instead of one
- : Becomes fire, power 150
- : Restores 2/3 max HP instead of 1/2
- : Restores 2/3 max HP instead of 1/2
- : Restores 2/3 max HP instead of 1/2
Related abilities
- : Doubles Speed
- : Boosts Sp. Atk by x1.5; user takes damage each turn
- : Boosts Attack and Sp. Def of allies (Cherrim)
- : Prevents status conditions
- : 100% chance to restore used Berry
Rain
Effects
- Boosts water moves by x1.5
- Weakens fire moves by x0.5
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Moves affected
- : 100% accuracy
- : 100% accuracy
- : Power halved
- : Becomes water, power 150
- : Restores 1/4 max HP
- : Restores 1/4 max HP
- : Restores 1/4 max HP
Related abilities
- : Doubles Speed
- : Cures status at end of turn
- : Restores 1/16 max HP each turn
- : Restores 1/8 max HP each turn; takes damage in sun
Sandstorm
Effects
- Damages non-Rock/Ground/Steel Pokémon at end of turn
- Boosts rock Sp. Def by x1.5
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Moves affected
- : Becomes rock, power 150
- : Restores 1/4 max HP
- : Restores 1/4 max HP
- : Restores 1/4 max HP
Related abilities
- : Doubles Speed; immune to sandstorm damage
- : Raises evasion
- : Boosts Rock, Ground, Steel moves by x1.3
Snow
Effects
- Boosts Defense of ice Pokémon by x1.5
Caused by
- Moves: ,
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Moves affected
- : 100% accuracy
- : Becomes ice, power 150
- : Restores 1/4 max HP
- : Restores 1/4 max HP
- : Restores 1/4 max HP
Related abilities
- : Doubles Speed
- : Restores 1/16 max HP each turn
- : Raises evasion
Notes
- Hail was replaced by Snow from Gen 9 onward; both set the same effect.
Fog
Effects
- Reduces accuracy of all moves by x0.6
Duration
5 turns
Notes
- Rare in VGC; mainly appears in certain formats or older games.
Extremely harsh sunlight
Effects
- Boosts fire moves by x1.5
- Forces all water moves to fail
- Can only be removed by or
Caused by
- Abilities:
Duration
Until removed
Related abilities
- : Doubles Speed
- : Boosts Sp. Atk by x1.5; user takes damage each turn
- : Boosts Attack and Sp. Def of allies (Cherrim)
- : Prevents status conditions
Heavy rain
Effects
- Boosts water moves by x1.5
- Forces all fire moves to fail
- Can only be removed by or
Caused by
- Abilities:
Duration
Until removed
Related abilities
- : Doubles Speed
- : Cures status at end of turn
- : Restores 1/16 max HP each turn
- : Restores 1/8 max HP each turn
Strong winds
Effects
- electric, ice and rock moves deal neutral damage to flying Pokémon
- Replaces any weather
- Cannot be removed
Caused by
- Abilities:
Duration
Until battle ends
Electric Terrain
Effects
- Prevents sleep on ground
- Boosts electric move power by x1.3
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Related abilities
- : Doubles Speed
Notes
- Only affects grounded Pokémon.
Grassy Terrain
Effects
- Restores HP to grounded Pokémon each turn
- Boosts grass moves by x1.3
- Reduces damage from , , by x0.5
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Moves affected
- : Damage halved for grounded targets
- : Damage halved for grounded targets
- : Damage halved for grounded targets
Related abilities
- : Boosts Defense by x1.5
Notes
- Only affects grounded Pokémon.
Misty Terrain
Effects
- Prevents status conditions on ground
- Reduces dragon damage by x0.5
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Notes
- Only affects grounded Pokémon.
Psychic Terrain
Effects
- Prevents priority moves from hitting grounded Pokémon
- Boosts psychic moves by x1.3
Caused by
- Moves:
- Abilities:
Extension items
extends duration to 8 turns.
Duration
5 turns (8 with extension items)
Notes
- Only affects grounded Pokémon.