Sludge (move)

Sludge (Japanese: ヘドロこうげき Sludge Attack) is a damage-dealing Poison-type move introduced in Generation I.

Sludge
ヘドロこうげき Sludge Attack

Battles

Type	Poison
Category	Special
PP	20 (max. 32)
Power	65
Accuracy	100%
Priority	{{{priority}}}
Does not make contact Affected by Protect Not affected by Magic Coat Not affected by Snatch Affected by Mirror Move Not affected by King's Rock

Target

Foe	Foe	Foe
Self	Ally	Ally
May affect anyone adjacent to the user

Availability

Introduced	Generation I
Not a TM, TR, HM, or Move Tutor move.

Contests

Condition	Tough
Appeal	1 ♥
Jam	4 ♥♥♥♥
Badly startles the Pokémon in front.

Super Contests

Condition	Tough
Appeal	2 ♥♥
Earn +2 if the Pokémon performs last in the turn.

Contest Spectaculars

Condition	Tough
Appeal	2 ♥♥
Jamming	3 ♥♥♥
Startles the last Pokémon to act before the user.

On Smogon's Movedex:

Effect

Generation I

Sludge does damage and has a 40% chance of poisoning the target.

Generation II onward

Sludge now has a 30% chance to poison the target.

Sludge can be used as part of a Pokémon Contest combination, with the user gaining an extra appeal point if Sludge Bomb was used in the prior turn. It can also be used to start a combination, causing Sludge Bomb to give two extra appeal points if used in the next turn.

Description

Games	Description
Stad	A Poison-type attack. Has a fifty-fifty chance of poisoning the target.
Stad2	A Poison-type attack. Has a one-in-three chance of poisoning the target.
GS C	An attack that may poison the foe.
RS EColo.XD	Sludge is hurled to inflict damage. May also poison.
FRLG	Toxic sludge is hurled at the foe. It may poison the target.
DP Pt HGSSPBR	Unsanitary sludge is hurled at the foe. It may also poison the target.
BW B2W2	Unsanitary sludge is hurled at the target. It may also poison the target.
XY ORAS SM USUM PE SwSh	Unsanitary sludge is hurled at the target. This may also poison the target.

Learnset

By leveling up

#	Pokémon		Types	Egg Groups	Level
#	Pokémon		Types	Egg Groups	I	II	III	IV	V	VI	VII	VIII
088		Grimer		Amorphous	Amorphous	37	16	13	20	20^BW 15^B2W2	15	15^SMUSUM 24^PE	15^BDSP
089		Muk		Amorphous	Amorphous	37	45	13	20	20^BW 15^B2W2	15	15^SMUSUM 24^PE	15^BDSP
109		Koffing		Amorphous	Amorphous	32	21	21	24	28^BW 18^B2W2	18	18	20
110		Weezing		Amorphous	Amorphous	1, 32	21	21	24	28^BW 18^B2W2	18	18	20
110		Weezing Galarian Form		Amorphous	Amorphous								20^SwSh
316		Gulpin		Amorphous	Amorphous			14	14	14	14^XY 10^ORAS	10	10^BDSP
317		Swalot		Amorphous	Amorphous			1, 14	1, 14	1, 14	1, 14^XY 1, 10^ORAS	1, 10	1, 10^BDSP
568		Trubbish		Mineral	Mineral					18	18	18	18^SwSh
569		Garbodor		Mineral	Mineral					18	18	18	18^SwSh
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

By breeding

#	Pokémon		Types	Parent Egg Groups		Egg Move
#	Pokémon		Types	Parent Egg Groups		II	III	IV	V	VI	VII	VIII
001		Bulbasaur		Monster	Grass			✔^HGSS	✔	✔	✔	✔^BDSP
258		Mudkip		Monster	Water 1			✔^HGSS	✔	✔	✔	✔
422		Shellos		Water 1	Amorphous			✔^HGSS	✔	✔	✔	✔
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

In other games

Pokémon Mystery Dungeon series

In Red Rescue Team and Blue Rescue Team, Sludge is a move with 12 base power, 88% accuracy and 22 PP. The user attacks enemy in front of them, cutting corners, possibly inflicting poison.

In Explorers of Time, Darkness and Sky, the move's PP has been decreased to 15.

Pokémon Masters EX

Category	Move Gauge	MP	Base Power	Max Power	Accuracy	Target	Effect Tag	Description
Special	2	—	42	50	100%	An opponent	—	Has a chance (30%) of leaving the target poisoned.

Past Description

Prior to Version 2.10.0 (from June 28, 2021): Has a moderate chance of leaving the target poisoned.

Pokémon GO

Sludge

Charged Attack

Gyms & Raids
Power	50
Energy cost	33
Duration	2.1 seconds
Damage window	1.2 - 1.55 seconds

Trainer Battles
Power	50
Energy cost	40
Secondary effect	?
Effect chance	?%

Eligible Pokémon:

Standard eligibility

By GO Snapshot

Updates

Gyms & Raids

July 30, 2016
- Power: 25 → 30
February 16, 2017
- Power: 30 → 50
- Energy cost: 25 → 33
- Duration: 2.6 → 2.1 seconds
- Damage window: 1.85 - 2.35 → 1.2 - 1.55 seconds

Description

Games	Description
MDRB	Inflicts damage on the target. It may also leave the target poisoned, damaging it for several turns.
MDTD S	Inflicts damage on the target. It may also afflict the targeted enemy with a Poisoned status condition, which causes periodic damage.
BSL	てきポケモンにダメージをあたえるしかもいっていのかくりつでどくじょうたいにしていっていターンごとにダメージをあたえる
MDGtI	It damages an enemy. It could also cause the Poisoned status condition. With the Poisoned status, the enemy keeps taking damage and can't restore its HP naturally.
SMD	It damages an enemy. It could also make the enemy poisoned.

In the anime

Main series

Pokémon	Method

Weezing	Koffing	Grimer	Gulpin
Unsanitary sludge is hurled at the foe.
User	First Used In		Notes
Koffing	Koffing spews dark brown sludge at the opponent from its mouth.
James's Koffing	Ash Catches a Pokémon		Debut
Weezing	Weezing spews dark brown sludge at the opponent from the mouth on its larger body or from both mouths at the same time.
James's Weezing	The Flame Pokémon-athon!		None
Gulpin	Gulpin opens its mouth and spits a ball of brown or purple sludge at the opponent.
Multiple wild Gulpin	Gulpin it Down		None
Professor Jacuzzi's Gulpin	Gulpin it Down		None
Multiple wild Gulpin	Defending the Homeland!		None
Grimer	Grimer fires large balls of sludge from its mouth at the opponent, one after the other.
A Grimer Dawn used briefly	Camping it Up!		None

In the English dub of Here Comes the Trubbish Squad!, a wild Trubbish was mentioned to use Sludge. This is a dubbing error, as in the original Japanese version, the move in question was instead called Sludge Bomb.

Pokémon Generations

Pokémon	Method

	Grimer
The user fire a stream of purple sludge at the opponent.
User	First Used In	Notes
Grimer	Grimer opens its mouth and fires a stream of dark purple sludge at the opponent.
A Team Rocket Grunt's Grimer	The Lake of Rage	Debut

In the manga

Pokémon Adventures

	Weezing

The user squirts sludge at the opponent.
Pokémon	Method
User	First Chapter Used In	Notes
Weezing	Weezing spits out sludge at the opponent from its bigger body's mouth.
Harry's Weezing	Ekans the Ecstasy	Debut

Pocket Monsters Diamond & Pearl

	Koffing

The users fires sludge from its body.
Pokémon	Method
User	First Chapter Used In	Notes
Koffing	Koffing shoots sludge from its mouth and the opponent who is hit is covered by it.
A wild Koffing	PDP13	Debut

Pokémon Mystery Dungeon: Blazing Exploration Team

	Koffing

The users fires sludge from its body.
Pokémon	Method
User	First Chapter Used In	Notes
Koffing	Koffing shoots sludge from the holes on its body.
A Koffing from Team Skull	BET1	Debut

In other generations

Core series games

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Side series games

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Spin-off series games

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Trivia

In Pokémon Stadium, Sludge is described as having a 50% chance of poisoning its target, but it actually has a 40% chance.
Since Generation V, Sludge has the same description text as Sludge Bomb.

In other languages

Language		Title
Chinese	Cantonese	污泥攻擊 Wūnàih Gūnggīk * 泥漿攻擊 Nàihjēung Gūnggīk *
Chinese	Mandarin	污泥攻擊 / 污泥攻击 Wūní Gōngjí / Wūní Gōngjī * 泥漿攻擊 Níjiāng Gōngjí *
Czech		Bahenní útok
Danish		Slam
Dutch		Blubber
Finnish		Lieju (season 1) Liejuvyöry (Johto series) Mönjä (AG series)
French		Détritus
German		Schlammbad
Greek		Γλίτσα Glitsa
Italian		Fango
Korean		오물공격 Omulgonggyeok
Norwegian		Gjørmeangrep
Polish		Błoto* Maź* Smog* Muł* Błotny Atak* Mułowy Atak* Szlam*
Brazilian Portuguese		Ataque de Lama (games, manga) Jato de Lama (anime) Lama (The Official Pokémon Handbook) Lodo (The Official Pokémon Handbook)
Serbian		Mulj
Spanish	Latin America	Lodo (EP003-EP056) Desechos (AG065-present)
Spanish	Spain	Residuos
Swedish		Gegga
Thai		สลัดจ์แอตแทก
Vietnamese		Tấn Công Bằng Bùn

Variations of the move Aurora Beam

	Spark
	Aurora Beam • Bubble Beam • Sludge • Psybeam

This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.

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