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Duosion

#578 in the X and Y Pokédex • Mitosis Pokémon

Pokémon X

Since they have two divided brains, at times they suddenly try to take two different actions at once.

Pokémon Y

When their two divided brains think the same thoughts, their psychic power is maximized.

Pokédexes

Coastal Kalos #116

Egg Group

Amorphous

Steps to Hatch

5,120

Effort Values Yielded

2 SpA

Gender Ratio

50% male / 50% female

Capture Rate

100

Base Experience

130
PokémonRequiresEvolution
Solosis

Solosis

#577

Level 32

Duosion

Duosion

#578

Duosion

Duosion

#578

Level 41

Reuniclus

Reuniclus

#579

Pokémon X

LocationMethodLevelChanceConditions

Friend Safari

Friend Safari (Psychic)

Walking in tall grass or a cave3033%

Randomly assigned to Friend Safari Slot 3

Pokémon Y

LocationMethodLevelChanceConditions

Friend Safari

Friend Safari (Psychic)

Walking in tall grass or a cave3033%

Randomly assigned to Friend Safari Slot 3

Solosis

Reuniclus

Duosion normal sprite

Normal

Shiny Duosion sprite

Shiny

Duosion

Mitosis Pokémon

#578
Psychic

Height

0.6 m

Weight

8 kg

Base XP

130

Abilities

OvercoatMagic GuardRegenerator

HP

65

Attack

40

Defense

50

Sp. Atk

125

Sp. Def

60

Speed

30

Total

370

Type Chart

Weaknesses

Takes 2× from

BugGhostDark

Resistances

Takes 0.5× from

FightingPsychic
Class
Description
StartReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

StartPsywavePsychicSpecial-10015

The target is attacked with an odd psychic wave. The attack varies in intensity.

StartRolloutRockPhysical309020

The user continually rolls into the target over five turns. It becomes more powerful each time it hits.

StartSnatchDarkStatus--10

The user steals the effects of any attempts to use a healing or stat-changing move.

3ReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

7RolloutRockPhysical309020

The user continually rolls into the target over five turns. It becomes more powerful each time it hits.

10SnatchDarkStatus--10

The user steals the effects of any attempts to use a healing or stat-changing move.

14Hidden PowerNormalSpecial6010015

A unique attack that varies in type depending on the Pokémon using it.

16Light ScreenPsychicStatus--30

A wondrous wall of light is put up to reduce damage from special attacks for five turns.

19CharmFairyStatus-10020

The user gazes at the target rather charmingly, making it less wary. This harshly lowers its Attack stat.

24RecoverNormalStatus--5

Restoring its own cells, the user restores its own HP by half of its max HP.

25PsyshockPsychicSpecial8010010

The user materializes an odd psychic wave to attack the target. This attack does physical damage.

28EndeavorNormalPhysical-1005

An attack move that cuts down the target’s HP to equal the user’s HP.

31Future SightPsychicSpecial12010010

Two turns after this move is used, a hunk of psychic energy attacks the target.

34Pain SplitNormalStatus--20

The user adds its HP to the target’s HP, then equally shares the combined HP with the target.

39PsychicPsychicSpecial9010010

The target is hit by a strong telekinetic force. This may also lower the target’s Sp. Def stat.

43Skill SwapPsychicStatus--10

The user employs its psychic power to exchange Abilities with the target.

50Heal BlockPsychicStatus-10015

For five turns, the user prevents the opposing team from using any moves, Abilities, or held items that recover HP.

53Wonder RoomPsychicStatus--10

The user creates a bizarre area in which Pokémon’s Defense and Sp. Def stats are swapped for five turns.

Class
Description
TM03PsyshockPsychicSpecial8010010

The user materializes an odd psychic wave to attack the target. This attack does physical damage.

TM04Calm MindPsychicStatus--20

The user quietly focuses its mind and calms its spirit to raise its Sp. Atk and Sp. Def stats.

TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM10Hidden PowerNormalSpecial6010015

A unique attack that varies in type depending on the Pokémon using it.

TM16Light ScreenPsychicStatus--30

A wondrous wall of light is put up to reduce damage from special attacks for five turns.

TM17ProtectNormalStatus--10

Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM20SafeguardNormalStatus--25

The user creates a protective field that prevents status conditions for five turns.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM25ThunderElectricSpecial1107010

A wicked thunderbolt is dropped on the target to inflict damage. This may also leave the target with paralysis.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM29PsychicPsychicSpecial9010010

The target is hit by a strong telekinetic force. This may also lower the target’s Sp. Def stat.

TM30Shadow BallGhostSpecial8010015

The user hurls a shadowy blob at the target. This may also lower the target’s Sp. Def stat.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM33ReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

TM39Rock TombRockPhysical609515

Boulders are hurled at the target. This also lowers the target’s Speed stat by preventing its movement.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--5

The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM53Energy BallGrassSpecial9010010

The user draws power from nature and fires it at the target. This may also lower the target’s Sp. Def.

TM63EmbargoDarkStatus-10015

This move prevents the target from using its held item. Its Trainer is also prevented from using items on it.

TM64ExplosionNormalPhysical2501005

The user attacks everything around it by causing a tremendous explosion. The user faints upon using this move.

TM70FlashNormalStatus-10020

The user flashes a bright light that cuts the target’s accuracy.

TM73Thunder WaveElectricStatus-10020

The user launches a weak jolt of electricity that paralyzes the target.

TM74Gyro BallSteelPhysical-1005

The user tackles the target with a high-speed spin. The slower the user compared to the target, the greater the move’s power.

TM77Psych UpNormalStatus--10

The user hypnotizes itself into copying any stat change made by the target.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing Pokémon to inflict damage. This may also make the opposing Pokémon flinch.

TM83InfestationBugSpecial2010020

The target is infested and attacked for four to five turns. The target can’t flee during this time.

TM85Dream EaterPsychicSpecial10010015

The user eats the dreams of a sleeping target. It absorbs half the damage caused to heal its own HP.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat.

TM88Sleep TalkNormalStatus--10

While it is asleep, the user randomly uses one of the moves it knows.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM91Flash CannonSteelSpecial8010010

The user gathers all its light energy and releases it at once. This may also lower the target’s Sp. Def stat.

TM92Trick RoomPsychicStatus--5

The user creates a bizarre area in which slower Pokémon get to move first for five turns.

TM100ConfideNormalStatus--20

The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat.

Overcoat

Ability Slot 1

Protects the Pokémon from things like sand, hail, and powder.

Protects against damage from weather.

Magic Guard

Ability Slot 2

The Pokémon only takes damage from attacks.

Protects against damage not directly caused by a move.

Regenerator

Hidden Ability

Restores a little HP when withdrawn from battle.

Heals for 1/3 max HP upon switching out.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.

X/Y / Pokédex

Duosion

Duosion

#578 in the X and Y Pokédex • Mitosis Pokémon

Pokémon X

Since they have two divided brains, at times they suddenly try to take two different actions at once.

Pokémon Y

When their two divided brains think the same thoughts, their psychic power is maximized.

Pokédexes

Coastal Kalos #116

Egg Group

Amorphous

Steps to Hatch

5,120

Effort Values Yielded

2 SpA

Gender Ratio

50% male / 50% female

Capture Rate

100

Base Experience

130
PokémonRequiresEvolution
Solosis

Solosis

#577

Level 32

Duosion

Duosion

#578

Duosion

Duosion

#578

Level 41

Reuniclus

Reuniclus

#579

Pokémon X

LocationMethodLevelChanceConditions

Friend Safari

Friend Safari (Psychic)

Walking in tall grass or a cave3033%

Randomly assigned to Friend Safari Slot 3

Pokémon Y

LocationMethodLevelChanceConditions

Friend Safari

Friend Safari (Psychic)

Walking in tall grass or a cave3033%

Randomly assigned to Friend Safari Slot 3

Solosis

Reuniclus

Duosion normal sprite

Normal

Shiny Duosion sprite

Shiny

Duosion

Mitosis Pokémon

#578
Psychic

Height

0.6 m

Weight

8 kg

Base XP

130

Abilities

OvercoatMagic GuardRegenerator

HP

65

Attack

40

Defense

50

Sp. Atk

125

Sp. Def

60

Speed

30

Total

370

Type Chart

Weaknesses

Takes 2× from

BugGhostDark

Resistances

Takes 0.5× from

FightingPsychic
Class
Description
StartReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

StartPsywavePsychicSpecial-10015

The target is attacked with an odd psychic wave. The attack varies in intensity.

StartRolloutRockPhysical309020

The user continually rolls into the target over five turns. It becomes more powerful each time it hits.

StartSnatchDarkStatus--10

The user steals the effects of any attempts to use a healing or stat-changing move.

3ReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

7RolloutRockPhysical309020

The user continually rolls into the target over five turns. It becomes more powerful each time it hits.

10SnatchDarkStatus--10

The user steals the effects of any attempts to use a healing or stat-changing move.

14Hidden PowerNormalSpecial6010015

A unique attack that varies in type depending on the Pokémon using it.

16Light ScreenPsychicStatus--30

A wondrous wall of light is put up to reduce damage from special attacks for five turns.

19CharmFairyStatus-10020

The user gazes at the target rather charmingly, making it less wary. This harshly lowers its Attack stat.

24RecoverNormalStatus--5

Restoring its own cells, the user restores its own HP by half of its max HP.

25PsyshockPsychicSpecial8010010

The user materializes an odd psychic wave to attack the target. This attack does physical damage.

28EndeavorNormalPhysical-1005

An attack move that cuts down the target’s HP to equal the user’s HP.

31Future SightPsychicSpecial12010010

Two turns after this move is used, a hunk of psychic energy attacks the target.

34Pain SplitNormalStatus--20

The user adds its HP to the target’s HP, then equally shares the combined HP with the target.

39PsychicPsychicSpecial9010010

The target is hit by a strong telekinetic force. This may also lower the target’s Sp. Def stat.

43Skill SwapPsychicStatus--10

The user employs its psychic power to exchange Abilities with the target.

50Heal BlockPsychicStatus-10015

For five turns, the user prevents the opposing team from using any moves, Abilities, or held items that recover HP.

53Wonder RoomPsychicStatus--10

The user creates a bizarre area in which Pokémon’s Defense and Sp. Def stats are swapped for five turns.

Class
Description
TM03PsyshockPsychicSpecial8010010

The user materializes an odd psychic wave to attack the target. This attack does physical damage.

TM04Calm MindPsychicStatus--20

The user quietly focuses its mind and calms its spirit to raise its Sp. Atk and Sp. Def stats.

TM06ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM10Hidden PowerNormalSpecial6010015

A unique attack that varies in type depending on the Pokémon using it.

TM16Light ScreenPsychicStatus--30

A wondrous wall of light is put up to reduce damage from special attacks for five turns.

TM17ProtectNormalStatus--10

Enables the user to evade all attacks. Its chance of failing rises if it is used in succession.

TM18Rain DanceWaterStatus--5

The user summons a heavy rain that falls for five turns, powering up Water-type moves.

TM20SafeguardNormalStatus--25

The user creates a protective field that prevents status conditions for five turns.

TM21FrustrationNormalPhysical-10020

A full-power attack that grows more powerful the less the user likes its Trainer.

TM25ThunderElectricSpecial1107010

A wicked thunderbolt is dropped on the target to inflict damage. This may also leave the target with paralysis.

TM27ReturnNormalPhysical-10020

A full-power attack that grows more powerful the more the user likes its Trainer.

TM29PsychicPsychicSpecial9010010

The target is hit by a strong telekinetic force. This may also lower the target’s Sp. Def stat.

TM30Shadow BallGhostSpecial8010015

The user hurls a shadowy blob at the target. This may also lower the target’s Sp. Def stat.

TM32Double TeamNormalStatus--15

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

TM33ReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

TM39Rock TombRockPhysical609515

Boulders are hurled at the target. This also lowers the target’s Speed stat by preventing its movement.

TM42FacadeNormalPhysical7010020

An attack move that doubles its power if the user is poisoned, burned, or has paralysis.

TM44RestPsychicStatus--5

The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions.

TM45AttractNormalStatus-10015

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

TM48RoundNormalSpecial6010015

The user attacks the target with a song. Others can join in the Round and make the attack do greater damage.

TM53Energy BallGrassSpecial9010010

The user draws power from nature and fires it at the target. This may also lower the target’s Sp. Def.

TM63EmbargoDarkStatus-10015

This move prevents the target from using its held item. Its Trainer is also prevented from using items on it.

TM64ExplosionNormalPhysical2501005

The user attacks everything around it by causing a tremendous explosion. The user faints upon using this move.

TM70FlashNormalStatus-10020

The user flashes a bright light that cuts the target’s accuracy.

TM73Thunder WaveElectricStatus-10020

The user launches a weak jolt of electricity that paralyzes the target.

TM74Gyro BallSteelPhysical-1005

The user tackles the target with a high-speed spin. The slower the user compared to the target, the greater the move’s power.

TM77Psych UpNormalStatus--10

The user hypnotizes itself into copying any stat change made by the target.

TM80Rock SlideRockPhysical759010

Large boulders are hurled at the opposing Pokémon to inflict damage. This may also make the opposing Pokémon flinch.

TM83InfestationBugSpecial2010020

The target is infested and attacked for four to five turns. The target can’t flee during this time.

TM85Dream EaterPsychicSpecial10010015

The user eats the dreams of a sleeping target. It absorbs half the damage caused to heal its own HP.

TM87SwaggerNormalStatus-9015

The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat.

TM88Sleep TalkNormalStatus--10

While it is asleep, the user randomly uses one of the moves it knows.

TM90SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM91Flash CannonSteelSpecial8010010

The user gathers all its light energy and releases it at once. This may also lower the target’s Sp. Def stat.

TM92Trick RoomPsychicStatus--5

The user creates a bizarre area in which slower Pokémon get to move first for five turns.

TM100ConfideNormalStatus--20

The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat.

Overcoat

Ability Slot 1

Protects the Pokémon from things like sand, hail, and powder.

Protects against damage from weather.

Magic Guard

Ability Slot 2

The Pokémon only takes damage from attacks.

Protects against damage not directly caused by a move.

Regenerator

Hidden Ability

Restores a little HP when withdrawn from battle.

Heals for 1/3 max HP upon switching out.

Dittobase

© 2026 dittobase.com. All rights reserved.

This website is an independent platform and is not associated with, validated, backed, or sponsored by Nintendo, Game Freak, Niantic, or The Pokémon Company.