Changes in Ability Effects in Pokémon Diamond Version and Pokémon Pearl Version

→ Pokémon Data Files → Changes in Ability Effects in Pokémon Diamond Version and Pokémon Pearl Version

Ability	Old Effect	New Effect
Arena Trap	An opposing Pokémon can’t switch out or run unless it has Levitate or it’s a Flying type. In Pokémon Emerald Version , if* this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, doubles the rate of wild Pokémon battles.*	An opposing Pokémon can’t switch out or run unless it has Levitate or it’s a Flying type. If this Pokémon is the first Pokémon that is* in the player’s party and the first in the party isn’t an Egg, doubles the rate of wild Pokémon battles.*
Clear Body	Attacks and Abilities by other Pokémon, can’t lower this Pokémon’s stat stages. (An effect that merely changes stat stages without necessarily lowering them, such as Haze and Psych Up, is not affected.)	Attacks and Abilities by other Pokémon can’t lower this Pokémon’s stat stages. (Effects that merely change stat stages without necessarily lowering them, such as Haze, are not affected.)
Color Change	Whenever this Pokémon loses HP because of a damaging attack by another Pokémon, if this Pokémon doesn’t share a type with that attack’s type, this Pokémon types change to that attack’s type. (Doesn’t affect Shadow attacks.)	Whenever this Pokémon loses HP because of a damaging attack by another Pokémon, if this Pokémon doesn’t share a type with that attack’s type, this Pokémon types change to that attack’s type.
Compoundeyes	Accuracy of attacks by this Pokémon is multiplied by 1.3. In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, the rate of encountering wild Pokémon with common items is 60% and of encountering those with rare items is 20%.	Accuracy of attacks by this Pokémon is multiplied by 1.3. If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the rate of encountering wild Pokémon with common items is 60% and of encountering those with rare items is 20%.
Cute Charm	If this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes infatuated (at a 1/3 chance) if its gender is different from this Pokémon and neither is gender-unknown (not considered an additional effect). In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, the rate of encountering wild Pokémon of the opposite gender as this Pokémon raises to 2/3.	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes infatuated (at a 30% chance) if its gender is different from this Pokémon and neither is gender-unknown (not considered an additional effect).
Damp	As long as this Pokémon is in battle, Selfdestruct and Explosion will fail for all Pokémon in battle (doesn’t cause fainting).	As long as this Pokémon is in battle, Selfdestruct and Explosion by any Pokémon in battle does nothing (doesn’t cause fainting).
Drizzle	When this Pokémon enters the battle, the effect of Rain Dance begins and continues indefinitely, even if already in effect, unless the effect is already indefinite.	The next time Abilities resolve, the effect of Rain Dance begins and continues indefinitely, even if already in effect, unless the effect is already indefinite. (Abilities resolve when this or another Pokémon enters the battle, including as a battle begins; at the end of each turn and a Pokémon’s attack segment; and after an attack is used (after fainting if any, but not Pursuit as a target is switching out). Once this Pokémon has this Ability in any of these moments, this Ability doesn’t trigger again while this Pokémon is in battle.)
Drought	When this Pokémon enters the battle, the effect of Sunny Day begins and continues indefinitely, even if already in effect, unless the effect is already indefinite.	The next time Abilities resolve, the effect of Sunny Day begins and continues indefinitely, even if already in effect, unless the effect is already indefinite. (Abilities resolve when this or another Pokémon enters the battle, including as a battle begins; at the end of each turn and a Pokémon’s attack segment; and after an attack is used (after fainting if any, but not Pursuit as a target is switching out). Once this Pokémon has this Ability in any of these moments, this Ability doesn’t trigger again while this Pokémon is in battle.)
Effect Spore	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes poisoned, becomes paralyzed, or sleeps, at a combined 10% chance (not considered an additional effect, Safeguard and Substitute don’t affect this).	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes poisoned, becomes paralyzed, or sleeps, at a combined 30% chance (not considered an additional effect, Safeguard and Substitute don’t affect this).
Flame Body	If this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes burned at a 1/3 chance (not considered an additional effect, Safeguard and Substitute don’t affect this). In Pokémon Emerald Version , if this Pokémon is anywhere in the player’s party, every 256 steps lowers the "Egg counter" of each Egg by 2 instead of 1. (This effect is not cumulative with multiple instances of Flame Body, Magma Armor, or both.)	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes burned at a 30% chance (not considered an additional effect, Safeguard and Substitute don’t affect this). If this Pokémon is anywhere in the player’s party, every 256 steps lowers the "Egg counter" of each Egg by 2 instead of 1. (This effect is not cumulative with multiple instances of Magma Armor, this Ability, or both.)
Flash Fire	Fire-type attacks are ineffective against this Pokémon (even Will-O-Wisp) as long as this Pokémon isn’t frozen. When a Fire-type attack that targets this Pokémon is used by another Pokémon and this Pokémon has this Ability and isn’t frozen, damagefrom Fire-type attacks by this Pokémon is multiplied by 1.5 (even while this Pokémon doesn’t have this Ability) until this Pokémon leaves the battle. (Effect is not cumulative.) For Will-O-Wisp, this Ability is not activated if this Pokémon is poisoned, burned, paralyzed, frozen, or asleep, is a Fire type, or has a substitute. (Applied after accuracy check and effects that change targets, but before damage calculation.)	Fire-type attacks are ineffective against this Pokémon (even Will-O-Wisp) as long as this Pokémon isn’t frozen. Whenever a Fire-type attack that targets this Pokémon (even Will-O-Wisp) is used by another Pokémon while this Pokémon has this Ability and isn’t frozen, Attack and Special Attack for Fire-type attacks by this Pokémon is multiplied by 1.5 (even while this Pokémon doesn’t have this Ability) until this Pokémon leaves the battle. (Effect is not cumulative.) Uses determined types. (Applied after accuracy check and effects that change targets, but before damage calculation.)
Forecast	When this Pokémon enters the battle, after each Pokémon’s attack segment, at the end of each turn, and whenever another Pokémon enters the battle, if this Pokémon’s current species is Castform, this Pokémon type becomes Fire during Sunny Day, Water during Ice during Hail, Normal otherwise, and Rain Dance, unless this Pokémon shares a type with that type.	Whenever this Pokémon enters the battle (including other times that Abilities resolve), if this Pokémon’s current species is Castform, this Pokémon type becomes Fire during Sunny Day, Water during Ice during Hail, Normal otherwise, and Rain Dance, unless this Pokémon shares a type with that type.
Hustle	This Pokémon’s Attack is multiplied by 1.5. Accuracy of physical attacks (even non-damaging ones) by this Pokémon is multiplied by 4/5. In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, adjusts levels of wild Pokémon differently from usual. (See "Encounters" in the notes.).	This Pokémon’s Attack is multiplied by 1.5. Accuracy of physical attacks by this Pokémon is multiplied by 4/5. If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the chance of encountering high-level Pokémon is 50%. (See "Encounters" in the notes.)
Hyper Cutter	Attacks and Abilities by other Pokémon can’t lower this Pokémon’s Attack stat stage. (An effect that merely changes stat stages without necessarily lowering them, such as Haze and Psych Up, is not affected.) In Pokémon Emerald Version , When this Pokémon appears anywhere in party and uses Cut outside of battle, it removes grass within a 2-tile (instead of 1-tile) range.	Attacks and Abilities by other Pokémon can’t lower this Pokémon’s Attack stat stage. (Effects that merely change stat stages without necessarily lowering them, such as Haze, are not affected.)
Illuminate	If this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, doubles the rate of wild Pokémon battles.	If this Pokémon is the first Pokémon that is* in the player’s party and the first in the party isn’t an Egg, doubles the rate of wild Pokémon battles.*
Intimidate	When this Pokémon enters the battle, lowers each opposing Pokémon’s Attack by 1 stage. In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, halves the rate of battles with wild Pokémon at least 5 levels less than this Pokémon’s level.	The next time Abilities resolve, lowers each opposing Pokémon’s Attack by 1 stage. If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the chance of encountering Pokémon whose level is equal to or less than this Pokémon’s level minus 5 is 50%. (See "Encounters" in the notes.) (Abilities resolve when this or another Pokémon enters the battle, including as a battle begins; at the end of each turn and a Pokémon’s attack segment; and after an attack is used (after fainting if any, but not Pursuit as a target is switching out). Once this Pokémon has this Ability in any of these moments, this Ability doesn’t trigger again while this Pokémon is in battle.)
Keen Eye	Attacks and Abilities by other Pokémon can’t lower this Pokémon’s accuracy stat stage. (An effect that merely changes stat stages without necessarily lowering them, such as Haze and Psych Up, is not affected.) In Pokémon Emerald Version , Halves the rate of lower-level Wild Pokémon battles.	Attacks and Abilities by other Pokémon can’t lower this Pokémon’s accuracy stat stage. (Effects that merely change stat stages without necessarily lowering them, such as Haze, are not affected.) If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the chance of encountering Pokémon whose level is equal to or less than this Pokémon’s level minus 5 is 50%. (See "Encounters" in the notes.)
Levitate	This Pokémon is immune to damaging Ground-type attacks. (This Ability’s effect is checked at the same point that the type matchup is checked.)	This Pokémon is immune to damaging Ground-type attacks.
Lightningrod	Electric-type attacks (even non-damaging ones) by opposing Pokémon are directed to this Pokémon instead of to any other Pokémon that could be a target of that attack (other than its user), unless that other target has this Ability. Considers Hidden Power as Normal. (Applied after Follow Me, but before Magic Coat. If more than one Pokémon in battle on this Pokémon side has this Ability, the attack is directed to the one earlier in this turn’s priority.) In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, the player will receive phone calls more often.	Electric-type attacks by other Pokémon (even non-damaging ones) with a range of "single Pokémon except user" are directed to this Pokémon instead of to any other potential target of that attack (other than its user). Uses determined types. (Follow Me and Magic Coat take precedence over this Ability. If more than one Pokémon in battle other than this Pokémon has this Ability, the attack is directed to the Pokémon (of that kind) that strikes earliest in the turn order.)
Liquid Ooze	If Absorb, Giga Drain, Leech Life, Mega Drain, or the effect of Leech Seed (but not Dream Eater), when it drains HP from this Pokémon, would cause another Pokémon to gain HP (before adjusting for maximum HP), that other Pokémon loses that much HP instead.	If Absorb, Drain Punch, Giga Drain, Leech Life, Mega Drain, or the effect of Leech Seed (but not Dream Eater), when it drains HP from this Pokémon, would cause another Pokémon to gain HP (before adjusting for maximum HP), that other Pokémon loses that much HP instead.
Magma Armor	This Pokémon can’t be frozen. In Pokémon Emerald Version , if this Pokémon is anywhere in the player’s party, every 256 steps lowers the "Egg counter" of each Egg by 2 instead of 1. (This effect is not cumulative with multiple instances of Flame Body, Magma Armor, or both.)	This Pokémon can’t be frozen. If this Pokémon is anywhere in the player’s party, every 255 steps lowers the "Egg counter" of each Egg by 2 instead of 1. (This effect is not cumulative with multiple instances of Flame Body, this Ability, or both.)
Magnet Pull	An opposing Pokémon can’t switch out or run if it’s a Steel type. In Pokémon Emerald Version , Rate of encountering a Steel-type wild Pokémon is 50%.	An opposing Pokémon can’t switch out or run if it’s a Steel type. If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the chance of encountering a Steel-type Pokémon, if possible, is 50%. (See "Encounters" in the notes.)
Minus	If another Pokémon has the Plus Ability, Special Attack of this Pokémon is multiplied by 1.5.	If this Pokémon partner has the Plus Ability, Special Attack of this Pokémon is multiplied by 1.5.
Natural Cure	If this Pokémon leaves the battle (but not if a battle ends or this Pokémon leaves the battle), this Pokémon stops being poisoned, burned, paralyzed, frozen, and asleep before that happens. (Checks this Pokémon’s current Ability.)	If this Pokémon leaves the battle or a battle ends (but not if it enters the battle), this Pokémon stops being poisoned, burned, paralyzed, frozen, and asleep before that happens. (Checks this Pokémon’s current Ability. Applies even if this Pokémon is under the effect of Gastro Acid.)
Pickup	If this Pokémon appears anywhere in party and isn’t holding an item, this Pokémon picks up an item (at a 10% chance) after a battle other than a link, Battle Pike, Colosseum, or Trainer Hill battle ends, and if the player won the battle.	If this Pokémon appears anywhere in party and actually isn’t holding an item, this Pokémon picks up an item (at a 10% chance) after a battle in which Exp. Points can be gained ends and if the player won the battle.
Plus	If another Pokémon has the Minus Ability, Special Attack of this Pokémon is multiplied by 1.5.	If this Pokémon’s partner has the Minus Ability, Special Attack of this Pokémon is multiplied by 1.5.
Poison Point	If this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes poisoned at a 1/3 chance (not considered an additional effect, Safeguard and Substitute don’t affect this).	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes poisoned at a 30% chance (not considered an additional effect, Safeguard and Substitute don’t affect this).
Pressure	Whenever an attack by another Pokémon (including Spikes) targets this Pokémon when it’s used, the PP of the move that attack’s user chose for use this turn is reduced by an additional 1, but not to less than 0. ( Applied after Follow Me and Lightningrod. If the move’s user changes, effect applies both to the move’s original and new users. Attack won’t fail solely because the move’s PP can’t be reduced this way. This effect also applies to moves used by other moves. If the attack’s user was not its original user, this effect applies only if this Pokémon is the first target of the attack. Doesn’t trigger for hits of multi-hit attacks after the first. This effect doesn’t apply if that other Pokémon "can’t take any action" because of an effect such as Outrage or Rollout. Doesn’t apply to Bide or to the "non-"ghost" variant of Curse.) In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, adjusts levels of wild Pokémon differently from usual. (See "Encounters" in the notes.).	Whenever an attack by another Pokémon targets this Pokémon when it’s used, the PP of the move that attack’s user chose for use this turn is reduced by an additional 1, but not to less than 0. (If the move’s user changes, effect applies both to the move’s original and new users. Attack won’t fail solely because the move’s PP can’t be reduced this way. This effect doesn’t apply to moves used by other moves, whether or not the attacker has the move used by such other move. Doesn’t trigger for hits of multi-hit attacks after the first. This effect doesn’t apply if that other Pokémon "can’t take any action" because of an effect such as Outrage or Rollout. Doesn’t apply to Bide or to the "non-"ghost" variant of Curse. For this Ability’s purposes, Imprison and attacks with a range of "opposing Pokémon’s side" target all opposing Pokémon, those with a range of "both sides" target all Pokémon in battle, and those with a range of "user’s side", "user’s partner", or "single Pokémon on user’s side" have no target.) (The next time Abilities resolve, a message reveals this Ability on this Pokémon.) If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the chance of encountering high-level Pokémon is 50%. (See "Encounters" in the notes.)
Rock Head	This Pokémon doesn’t receive recoil, except from Struggle.	This Pokémon doesn’t receive recoil. (Struggle’s HP loss is excluded.)
Rough Skin	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon loses >1/16 of its maximum HP but not less than 1 HP (not considered recoil).	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon loses >1/8 of its maximum HP but not less than 1 HP (not considered recoil).
Sand Stream	When this Pokémon enters the battle, the effect of Sandstorm begins and continues indefinitely, even if already in effect, unless the effect is already indefinite.	The next time Abilities resolve, the effect of Sandstorm begins and continues indefinitely, even if already in effect, unless the effect is already indefinite. (Abilities resolve when this or another Pokémon enters the battle, including as a battle begins; at the end of each turn and a Pokémon’s attack segment; and after an attack is used. Once this Pokémon has this Ability in any of these moments, this Ability doesn’t trigger again while this Pokémon is in battle.)
Sand Veil	During Sandstorm, accuracy of attacks against this Pokémon is multiplied by 8/10 and this Pokémon doesn’t lose HP because of the Sandstorm effect. In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, halves the rate of wild Pokémon battles during a sandstorm.	During Sandstorm, accuracy of attacks against this Pokémon is multiplied by 8/10 and this Pokémon doesn’t lose HP because of the Sandstorm effect. If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, halves the rate of wild Pokémon battles while sand is blowing.
Shadow Tag	Opposing Pokémon can’t run or switch.	An opposing Pokémon can’t run or switch unless it has this Ability.
Shed Skin	At the end of each turn, this Pokémon stops being poisoned, burned, paralyzed, frozen, and asleep at a 1/3 chance (combined).	At the end of each turn, this Pokémon stops being poisoned, burned, paralyzed, frozen, and asleep at a 30% chance (combined).
Soundproof	This Pokémon doesn’t receive the effects of Grasswhistle, Growl, Heal Bell, Hyper Voice, Metal Sound, Perish Song, Roar, Screech, Sing, Snore, Supersonic, or Uproar. (Uproar doesn’t affect this Pokémon sleep status; this Pokémon doesn’t receive a Perish count when Perish Song is used, but its Perish count will still decline; Heal Bell doesn’t affect this Pokémon even if this Pokémon is not a Pokémon in battle)	This Pokémon doesn’t receive the effects of Bug Buzz, Chatter, GrassWhistle, Growl, Heal Bell, Hyper Voice, Metal Sound, Perish Song, Roar, Screech, Sing, Snore, Supersonic, or Uproar. (Doesn’t include SonicBoom or Roar of Time. Uproar doesn’t affect this Pokémon sleep status; this Pokémon doesn’t receive a perish count when Perish Song is used, but its perish count will still decline; effective even if this Pokémon is not a Pokémon in battle. Applied after accuracy check.)
Speed Boost	At the end of each turn, raises this Pokémon’s Speed by 1 stage unless this Pokémon entered the battle after commands were chosen for this turn.	At the end of each turn, raises this Pokémon’s Speed by 1 stage unless this Pokémon entered the battle after the beginning of this turn.
Static	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes paralyzed at a 1/3 chance (not considered an additional effect, Safeguard and Substitute don’t affect this). In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, the rate of encountering an Electric-type wild Pokémon is 50%.	Whenever this Pokémon loses HP because of a direct attack by another Pokémon, that other Pokémon becomes paralyzed at a 30% chance (not considered an additional effect, Safeguard and Substitute don’t affect this). If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the chance of encountering an Electric-type Pokémon, if possible, is 50%. (See "Encounters" in the notes.)
Stench	If this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, halves the rate of wild Pokémon battles.	If this Pokémon is the first Pokémon that is* in the player’s party and the first in the party isn’t an Egg, halves the rate of wild Pokémon battles.*
Sticky Hold	This Pokémon’s held item can’t be removed from this Pokémon by other Pokémon. (This includes Knock Off.) (This Pokémon can use Trick normally. Trick will fail against this Pokémon even if it isn’t holding any items.) In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, the fishing success rate raises.	This Pokémon’s held item can’t be removed from this Pokémon by other Pokémon. (This includes Bug Bite, Knock Off, and Pluck.) (This Pokémon can use Trick and Switcheroo normally. Trick and Switcheroo will fail against this Pokémon even if it isn’t holding any items.) If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the fishing success rate rises.
Suction Cups	Roar and Whirlwind fail against this Pokémon. In Pokémon Emerald Version , if this Pokémon is the first in the player’s party and if the first in the party isn’t an Egg, the fishing success rate raises.	Roar and Whirlwind fail against this Pokémon. If this Pokémon is the first Pokémon that is in the player’s party and the first in the party isn’t an Egg, the fishing success rate rises.