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Forretress

#205 in the Omega Ruby and Alpha Sapphire Pokédex • Bagworm Pokémon

Omega Ruby

Forretress conceals itself inside its hardened steel shell. The shell is opened when the Pokémon is catching prey, but it does so at such a quick pace that the shell’s inside cannot be seen.

Alpha Sapphire

Forretress conceals itself inside its hardened steel shell. The shell is opened when the Pokémon is catching prey, but it does so at such a quick pace that the shell’s inside cannot be seen.

Pokédexes

-

Egg Group

Bug

Steps to Hatch

5,120

Effort Values Yielded

2 Def

Gender Ratio

50% male / 50% female

Capture Rate

75

Base Experience

163
PokémonRequiresEvolution
Pineco

Pineco

#204

Level 31

Forretress

Forretress

#205

Alpha Sapphire

LocationMethodLevelChanceConditions

Mirage Forest

Mirage Forest (West of Route 105)

Walking in tall grass or a cave36-3860%

-

Mirage Mountain

Mirage Mountain (North of Lilycove)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (West of Route 104)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (South of Route 131)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (North East of Route 125)

Walking in tall grass or a cave36-3830%

-

Omega Ruby

LocationMethodLevelChanceConditions

Mirage Forest

Mirage Forest (West of Route 105)

Walking in tall grass or a cave36-3860%

-

Mirage Mountain

Mirage Mountain (North of Lilycove)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (West of Route 104)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (South of Route 131)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (North East of Route 125)

Walking in tall grass or a cave36-3830%

-

Pineco

Dunsparce

Forretress normal sprite

Normal

Shiny Forretress sprite

Shiny

Forretress

Bagworm Pokémon

#205
BugSteel

Height

1.2 m

Weight

125.8 kg

Base XP

163

Abilities

SturdyOvercoat

HP

75

Attack

90

Defense

140

Sp. Atk

60

Sp. Def

60

Speed

40

Total

465

Type Chart

Weaknesses

Takes 4× from

Fire

Resistances

Takes 0× from

Poison

Takes 0.25× from

Grass

Takes 0.5× from

NormalIcePsychicBugDragonSteelFairy
Class
Description
StartTackleNormalPhysical5010035

A physical attack in which the user charges and slams into the target with its whole body.

StartSelf-DestructNormalPhysical2001005

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

StartProtectNormalStatus--10

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

StartZap CannonElectricSpecial120505

The user fires an electric blast like a cannon to inflict damage and cause paralysis.

StartToxic SpikesPoisonStatus--20

The user lays a trap of poison spikes at the opposing team’s feet. They poison opposing Pokémon that switch into battle.

StartMagnet RiseElectricStatus--10

The user levitates using electrically generated magnetism for five turns.

StartBug BiteBugPhysical6010020

The user bites the target. If the target is holding a Berry, the user eats it and gains its effect.

StartHeavy SlamSteelPhysical-10010

The user slams into the target with its heavy body. The more the user outweighs the target, the greater the move’s power.

12Take DownNormalPhysical908520

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

17Rapid SpinNormalPhysical2010040

A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes.

20BideNormalPhysical--10

The user endures attacks for two turns, then strikes back to cause double the damage taken.

23Natural GiftNormalPhysical-10015

The user draws power to attack by using its held Berry. The Berry determines the move’s type and power.

28SpikesGroundStatus--20

The user lays a trap of spikes at the opposing team’s feet. The trap hurts Pokémon that switch into battle.

31Mirror ShotSteelSpecial658510

The user lets loose a flash of energy at the target from its polished body. This may also lower the target’s accuracy.

32AutotomizeSteelStatus--15

The user sheds part of its body to make itself lighter and sharply raise its Speed stat.

36PaybackDarkPhysical5010010

The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled.

42ExplosionNormalPhysical2501005

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

46Iron DefenseSteelStatus--15

The user hardens its body’s surface like iron, sharply raising its Defense stat.

50Gyro 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.

56Double-EdgeNormalPhysical12010015

A reckless, life-risking tackle. This also damages the user quite a lot.

60Magnet RiseElectricStatus--10

The user levitates using electrically generated magnetism for five turns.

64Zap CannonElectricSpecial120505

The user fires an electric blast like a cannon to inflict damage and cause paralysis.

70Heavy SlamSteelPhysical-10010

The user slams into the target with its heavy body. The more the user outweighs the target, the greater the move’s power.

Class
Description
HM04StrengthNormalPhysical8010015

The target is slugged with a punch thrown at maximum power. This can also be used to move heavy boulders.

HM06Rock SmashFightingPhysical4010015

The user attacks with a punch. This may also lower the target’s Defense stat. This move can also shatter rocks in the field.

TM06ToxicPoisonStatus-9010

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

TM09VenoshockPoisonSpecial6510010

The user drenches the target in a special poisonous liquid. This move’s power is doubled if the target is poisoned.

TM10Hidden PowerNormalSpecial6010015

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

TM11Sunny DayFireStatus--5

The user intensifies the sun for five turns, powering up Fire-type moves.

TM15Hyper BeamNormalSpecial150905

The target is attacked with a powerful beam. The user can’t move on the next turn.

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.

TM21FrustrationNormalPhysical-10020

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

TM22Solar BeamGrassSpecial12010010

A two-turn attack. The user gathers light, then blasts a bundled beam on the next turn.

TM26EarthquakeGroundPhysical10010010

The user sets off an earthquake that strikes every Pokémon around it.

TM27ReturnNormalPhysical-10020

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

TM28DigGroundPhysical8010010

The user burrows, then attacks on the next turn. It can also be used to exit dungeons.

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.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

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.

TM64ExplosionNormalPhysical2501005

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

TM66PaybackDarkPhysical5010010

The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled.

TM68Giga ImpactNormalPhysical150905

The user charges at the target using every bit of its power. The user can’t move on the next turn.

TM69Rock PolishRockStatus--20

The user polishes its body to reduce drag. This can sharply raise the Speed stat.

TM72Volt SwitchElectricSpecial7010020

After making its attack, the user rushes back to switch places with a party Pokémon in waiting.

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.

TM76Struggle BugBugSpecial5010020

While resisting, the user attacks the opposing Pokémon. This lowers the Sp. Atk stat of those hit.

TM78BulldozeGroundPhysical6010020

The user strikes everything around it by stomping down on the ground. This lowers the Speed stat of those hit.

TM80Rock SlideRockPhysical759010

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

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.

TM94Secret PowerNormalPhysical7010020

An attack whose additional effects depend upon where it was used. Can also be used to make a Secret Base.

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.

Class
Description
BlockNormalStatus--5

The user blocks the target’s way with arms spread wide to prevent escape.

Bug BiteBugPhysical6010020

The user bites the target. If the target is holding a Berry, the user eats it and gains its effect.

Drill RunGroundPhysical809510

The user crashes into its target while rotating its body like a drill. Critical hits land more easily.

Giga DrainGrassSpecial7510010

A nutrient-draining attack. The user’s HP is restored by half the damage taken by the target.

GravityPsychicStatus--5

Gravity is intensified for five turns, making moves involving flying unusable and negating Levitate.

Iron DefenseSteelStatus--15

The user hardens its body’s surface like iron, sharply raising its Defense stat.

Magnet RiseElectricStatus--10

The user levitates using electrically generated magnetism for five turns.

Pain SplitNormalStatus--20

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

Signal BeamBugSpecial7510015

The user attacks with a sinister beam of light. This may also confuse the target.

SnoreNormalSpecial5010015

An attack that can be used only if the user is asleep. The harsh noise may also make the target flinch.

Stealth RockRockStatus--20

The user lays a trap of levitating stones around the opposing team. The trap hurts opposing Pokémon that switch into battle.

Sturdy

Ability Slot 1

It cannot be knocked out with one hit.

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

Overcoat

Hidden Ability

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

Protects against damage from weather.

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.

OR/AS / Pokédex

Forretress

Forretress

#205 in the Omega Ruby and Alpha Sapphire Pokédex • Bagworm Pokémon

Omega Ruby

Forretress conceals itself inside its hardened steel shell. The shell is opened when the Pokémon is catching prey, but it does so at such a quick pace that the shell’s inside cannot be seen.

Alpha Sapphire

Forretress conceals itself inside its hardened steel shell. The shell is opened when the Pokémon is catching prey, but it does so at such a quick pace that the shell’s inside cannot be seen.

Pokédexes

-

Egg Group

Bug

Steps to Hatch

5,120

Effort Values Yielded

2 Def

Gender Ratio

50% male / 50% female

Capture Rate

75

Base Experience

163
PokémonRequiresEvolution
Pineco

Pineco

#204

Level 31

Forretress

Forretress

#205

Alpha Sapphire

LocationMethodLevelChanceConditions

Mirage Forest

Mirage Forest (West of Route 105)

Walking in tall grass or a cave36-3860%

-

Mirage Mountain

Mirage Mountain (North of Lilycove)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (West of Route 104)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (South of Route 131)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (North East of Route 125)

Walking in tall grass or a cave36-3830%

-

Omega Ruby

LocationMethodLevelChanceConditions

Mirage Forest

Mirage Forest (West of Route 105)

Walking in tall grass or a cave36-3860%

-

Mirage Mountain

Mirage Mountain (North of Lilycove)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (West of Route 104)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (South of Route 131)

Walking in tall grass or a cave36-3830%

-

Mirage Mountain

Mirage Mountain (North East of Route 125)

Walking in tall grass or a cave36-3830%

-

Pineco

Dunsparce

Forretress normal sprite

Normal

Shiny Forretress sprite

Shiny

Forretress

Bagworm Pokémon

#205
BugSteel

Height

1.2 m

Weight

125.8 kg

Base XP

163

Abilities

SturdyOvercoat

HP

75

Attack

90

Defense

140

Sp. Atk

60

Sp. Def

60

Speed

40

Total

465

Type Chart

Weaknesses

Takes 4× from

Fire

Resistances

Takes 0× from

Poison

Takes 0.25× from

Grass

Takes 0.5× from

NormalIcePsychicBugDragonSteelFairy
Class
Description
StartTackleNormalPhysical5010035

A physical attack in which the user charges and slams into the target with its whole body.

StartSelf-DestructNormalPhysical2001005

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

StartProtectNormalStatus--10

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

StartZap CannonElectricSpecial120505

The user fires an electric blast like a cannon to inflict damage and cause paralysis.

StartToxic SpikesPoisonStatus--20

The user lays a trap of poison spikes at the opposing team’s feet. They poison opposing Pokémon that switch into battle.

StartMagnet RiseElectricStatus--10

The user levitates using electrically generated magnetism for five turns.

StartBug BiteBugPhysical6010020

The user bites the target. If the target is holding a Berry, the user eats it and gains its effect.

StartHeavy SlamSteelPhysical-10010

The user slams into the target with its heavy body. The more the user outweighs the target, the greater the move’s power.

12Take DownNormalPhysical908520

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

17Rapid SpinNormalPhysical2010040

A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes.

20BideNormalPhysical--10

The user endures attacks for two turns, then strikes back to cause double the damage taken.

23Natural GiftNormalPhysical-10015

The user draws power to attack by using its held Berry. The Berry determines the move’s type and power.

28SpikesGroundStatus--20

The user lays a trap of spikes at the opposing team’s feet. The trap hurts Pokémon that switch into battle.

31Mirror ShotSteelSpecial658510

The user lets loose a flash of energy at the target from its polished body. This may also lower the target’s accuracy.

32AutotomizeSteelStatus--15

The user sheds part of its body to make itself lighter and sharply raise its Speed stat.

36PaybackDarkPhysical5010010

The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled.

42ExplosionNormalPhysical2501005

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

46Iron DefenseSteelStatus--15

The user hardens its body’s surface like iron, sharply raising its Defense stat.

50Gyro 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.

56Double-EdgeNormalPhysical12010015

A reckless, life-risking tackle. This also damages the user quite a lot.

60Magnet RiseElectricStatus--10

The user levitates using electrically generated magnetism for five turns.

64Zap CannonElectricSpecial120505

The user fires an electric blast like a cannon to inflict damage and cause paralysis.

70Heavy SlamSteelPhysical-10010

The user slams into the target with its heavy body. The more the user outweighs the target, the greater the move’s power.

Class
Description
HM04StrengthNormalPhysical8010015

The target is slugged with a punch thrown at maximum power. This can also be used to move heavy boulders.

HM06Rock SmashFightingPhysical4010015

The user attacks with a punch. This may also lower the target’s Defense stat. This move can also shatter rocks in the field.

TM06ToxicPoisonStatus-9010

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

TM09VenoshockPoisonSpecial6510010

The user drenches the target in a special poisonous liquid. This move’s power is doubled if the target is poisoned.

TM10Hidden PowerNormalSpecial6010015

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

TM11Sunny DayFireStatus--5

The user intensifies the sun for five turns, powering up Fire-type moves.

TM15Hyper BeamNormalSpecial150905

The target is attacked with a powerful beam. The user can’t move on the next turn.

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.

TM21FrustrationNormalPhysical-10020

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

TM22Solar BeamGrassSpecial12010010

A two-turn attack. The user gathers light, then blasts a bundled beam on the next turn.

TM26EarthquakeGroundPhysical10010010

The user sets off an earthquake that strikes every Pokémon around it.

TM27ReturnNormalPhysical-10020

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

TM28DigGroundPhysical8010010

The user burrows, then attacks on the next turn. It can also be used to exit dungeons.

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.

TM37SandstormRockStatus--10

A five-turn sandstorm is summoned to hurt all combatants except the Rock, Ground, and Steel types.

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.

TM64ExplosionNormalPhysical2501005

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

TM66PaybackDarkPhysical5010010

The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled.

TM68Giga ImpactNormalPhysical150905

The user charges at the target using every bit of its power. The user can’t move on the next turn.

TM69Rock PolishRockStatus--20

The user polishes its body to reduce drag. This can sharply raise the Speed stat.

TM72Volt SwitchElectricSpecial7010020

After making its attack, the user rushes back to switch places with a party Pokémon in waiting.

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.

TM76Struggle BugBugSpecial5010020

While resisting, the user attacks the opposing Pokémon. This lowers the Sp. Atk stat of those hit.

TM78BulldozeGroundPhysical6010020

The user strikes everything around it by stomping down on the ground. This lowers the Speed stat of those hit.

TM80Rock SlideRockPhysical759010

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

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.

TM94Secret PowerNormalPhysical7010020

An attack whose additional effects depend upon where it was used. Can also be used to make a Secret Base.

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.

Class
Description
BlockNormalStatus--5

The user blocks the target’s way with arms spread wide to prevent escape.

Bug BiteBugPhysical6010020

The user bites the target. If the target is holding a Berry, the user eats it and gains its effect.

Drill RunGroundPhysical809510

The user crashes into its target while rotating its body like a drill. Critical hits land more easily.

Giga DrainGrassSpecial7510010

A nutrient-draining attack. The user’s HP is restored by half the damage taken by the target.

GravityPsychicStatus--5

Gravity is intensified for five turns, making moves involving flying unusable and negating Levitate.

Iron DefenseSteelStatus--15

The user hardens its body’s surface like iron, sharply raising its Defense stat.

Magnet RiseElectricStatus--10

The user levitates using electrically generated magnetism for five turns.

Pain SplitNormalStatus--20

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

Signal BeamBugSpecial7510015

The user attacks with a sinister beam of light. This may also confuse the target.

SnoreNormalSpecial5010015

An attack that can be used only if the user is asleep. The harsh noise may also make the target flinch.

Stealth RockRockStatus--20

The user lays a trap of levitating stones around the opposing team. The trap hurts opposing Pokémon that switch into battle.

Sturdy

Ability Slot 1

It cannot be knocked out with one hit.

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

Overcoat

Hidden Ability

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

Protects against damage from weather.

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.