Edition differences: original GBA and Nintendo Switch (2026)

Battle data describes Generation III rules. Availability notes distinguish native catches, evolution and breeding from original GBA imports. GBA games can trade with compatible Generation III games after the network quest; Switch supports local FireRed/LeafGreen trading and cannot import Pokémon from other games. Transfers to Pokémon HOME are one way.

GBA: AuroraTicket and MysticTicket required historical event distributions. Switch: both tickets are added after entering the Hall of Fame, providing access to Deoxys on Birth Island and Lugia/Ho-Oh on Navel Rock. Other event Pokémon and GBA imports are not made available by these tickets.

Original GBA: a roaming Entei or Raikou that successfully ends an encounter with Roar disappears permanently because of a game bug. The Switch editions fix this Roar disappearance bug.

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Slaking

#289 in the National Pokédex • Lazy Pokémon

Normal

Shiny

Vigoroth Nincada

Pokédex entries

FireRed

It is the world’s most slothful Pokémon. However, it can exert horrifying power by releasing pent-up energy all at once.

LeafGreen

It is the world’s most slothful Pokémon. However, it can exert horrifying power by releasing pent-up energy all at once.

Details

Type

Weak to

2×

Resists

Slaking doesn't resist any types.

Immune to

0×

Growth

EV yield, catch rate, and experience details for this Pokémon.

EV yield	3 HP
Catch rate	45
Base Exp.	210

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg groups	Field
Gender	50% male 50% female
Egg cycles	15 (4,095 steps)

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Slakoth #287	Level 18 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Vigoroth #288
Vigoroth #288	Level 36 This line requires importing Pokémon from another Generation III game on GBA; unavailable on Switch. Requires the National Pokédex.	Slaking #289

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Scratch	Physical	40	100	35	Hard, pointed, and sharp claws rake the foe.
Start	Encore	Status	-	100	5	Makes the foe use the move it last used repeatedly for two to six turns.
Start	Yawn	Status	-	-	10	A huge yawn lulls the foe into falling asleep on the next turn.
Start	Slack Off	Status	-	-	10	The user slacks off and restores its HP by half its full HP.
7	Encore	Status	-	100	5	Makes the foe use the move it last used repeatedly for two to six turns.
13	Slack Off	Status	-	-	10	The user slacks off and restores its HP by half its full HP.
19	Feint Attack	Special	60	-	20	The user draws up close to the foe disarmingly, then hits without fail.
25	Amnesia	Status	-	-	20	Forgets about something and sharply raises SP. DEF.
31	Covet	Physical	40	100	40	A cutely executed attack that also steals the foe’s hold item.
36	Swagger	Status	-	90	15	A move that makes the foe confused, but also sharply raises its ATTACK.
37	Counter	Physical	-	100	20	A retaliation move that counters any physical hit with double the damage.
43	Flail	Physical	-	100	15	A desperate attack that becomes more powerful the less HP the user has.

Machine compatibility for Generation III. HM08 Dive cannot be obtained in FireRed or LeafGreen; a Pokémon must learn it in another Generation III game and be traded in on GBA. Switch has no incoming transfers from those games.

		Class				Description
TM01	Focus Punch	Physical	150	100	20	An attack that is executed last. The user flinches if hit beforehand.
TM03	Water Pulse	Special	60	100	20	An attack with a pulsing blast of water. It may also confuse the foe.
TM05	Roar	Status	-	100	20	The foe is made to switch out with an ally. In the wild, the battle ends.
TM06	Toxic	Status	-	85	10	A move that badly poisons the foe. Its poison damage worsens every turn.
TM08	Bulk Up	Status	-	-	20	The user bulks up its body to boost both its ATTACK and DEFENSE stats.
TM10	Hidden Power	Physical	-	100	15	An attack that varies in type and intensity depending on the user.
TM11	Sunny Day	Status	-	-	5	The sun blazes for five turns, powering up FIRE-type moves.
TM12	Taunt	Status	-	100	20	The foe is taunted into a rage that allows it to use only attack moves.
TM13	Ice Beam	Special	95	100	10	The foe is struck with an icy beam. It may freeze the foe solid.
TM14	Blizzard	Special	120	70	5	The foe is blasted with a blizzard. It may freeze the foe solid.
TM15	Hyper Beam	Physical	150	90	5	A severely damaging attack that makes the user rest on the next turn.
TM17	Protect	Status	-	-	10	Enables the user to evade all attacks. It may fail if used in succession.
TM18	Rain Dance	Status	-	-	5	A heavy rain falls for five turns, powering up WATER-type moves.
TM21	Frustration	Physical	-	100	20	This attack move grows more powerful the less the user likes its TRAINER.
TM22	Solar Beam	Special	120	100	10	A 2-turn move that blasts the foe with absorbed energy in the 2nd turn.
TM24	Thunderbolt	Special	95	100	15	A strong electrical attack that may also leave the foe paralyzed.
TM25	Thunder	Special	120	70	10	A brutal lightning attack that may also leave the foe paralyzed.
TM26	Earthquake	Physical	100	100	10	An earthquake that strikes all Pokémon in battle excluding the user.
TM27	Return	Physical	-	100	20	This attack move grows more powerful the more the user likes its TRAINER.
TM30	Shadow Ball	Physical	80	100	15	A shadowy blob is hurled at the foe. May also lower the foe’s SP. DEF.
TM31	Brick Break	Physical	75	100	15	An attack that also breaks any barrier like LIGHT SCREEN and REFLECT.
TM32	Double Team	Status	-	-	15	The user creates illusory copies of itself to raise its evasiveness.
TM34	Shock Wave	Special	60	-	20	A rapid jolt of electricity strikes the foe. It can’t be evaded.
TM35	Flamethrower	Special	95	100	15	The foe is scorched with intense flames. The foe may suffer a burn.
TM38	Fire Blast	Special	120	85	5	The foe is hit with an intense flame. It may leave the target with a burn.
TM40	Aerial Ace	Physical	60	-	20	An extremely fast attack against one target. It can’t be evaded.
TM42	Facade	Physical	70	100	20	An attack that is boosted if user is burned, poisoned, or paralyzed.
TM43	Secret Power	Physical	70	100	20	An attack that may have an additional effect that varies with the terrain.
TM44	Rest	Status	-	-	10	The user sleeps for two turns to fully restore HP and heal any status problem.
TM45	Attract	Status	-	100	15	If it is the other gender, the foe is made infatuated and unlikely to attack.
HM01	Cut	Physical	50	95	30	A basic attack. It can be used to cut down thin trees and grass.
HM04	Strength	Physical	80	100	15	The foe is slugged at maximum power. Can also be used to move boulders.
HM06	Rock Smash	Physical	20	100	15	An attack that may also cut DEFENSE. It can also smash cracked boulders.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Body Slam	Physical	85	100	15	The user drops its full body on the foe. It may leave the foe paralyzed.
Counter	Physical	-	100	20	A retaliation move that counters any physical hit with double the damage.
Double-Edge	Physical	120	100	15	A reckless, life-risking tackle that also hurts the user a little.
Mega Kick	Physical	120	75	5	The foe is attacked by a kick fired with muscle-packed power.
Mega Punch	Physical	80	85	20	The foe is slugged by a punch thrown with muscle-packed power.
Mimic	Status	-	-	10	The user copies the move last used by the foe for the rest of the battle.
Rock Slide	Physical	75	90	10	Large boulders are hurled at the foe. It may make the foe flinch.
Seismic Toss	Physical	-	100	20	A gravity-fed throw that causes damage matching the user’s level.
Substitute	Status	-	-	10	The user creates a decoy using one-quarter of its full HP.

Traits

Ability options available to this Pokémon in this game.

Truant

Moves only every two turns.

#288

Vigoroth

#290

Nincada

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