Utility
Support
DTier
25Speed · Very Slow

Stats & Training

HP and Attack carry most of Grimer's stat budget. Speed's the obvious dump stat. Common in the wild and yields 1 HP EV. Follows a medium-fast 1M XP curve.

Base Stats
Avg
HP80
C
Attack80
C
Defense50
D
Sp. Atk40
D
Sp. Def50
D
Speed25
F
Total325
Details
Catch Rate
Easy190 / 255
Growth Rate
Medium Fast1M XP
Height0.9 m
2'11"Small
Weight30.0 kg
66.1 lbsLight
Base XP65
Low Yield
Abilities
Stench
Has a 10% chance of making target Pokémon flinch with each hit.
Sticky HoldTop Pick
Prevents a held item from being removed by other Pokémon.
Poison TouchHA
Has a 30% chance of poisoning target Pokémon upon contact.
EV Yield
HP+1AtkDefSpASpDSpe
HP training source
Pokedex Entries

It was born when sludge in a dirty stream was exposed to the moon’s X-rays. It appears among filth.

Grimer Weakness

Grimer is weak to Ground and Psychic. 4 resistances help offset the weaknesses. Just 2 weak spots to worry about, which keeps teambuilding straightforward.

Grimer Weakness and Resistance Chart
DamageTypes
2x (Weak)Ground, Psychic
0.5x (Resist)Grass, Fighting, Poison, Bug
Type ChartAvg
2Weak
4Resist
0Immune
Score0
Gen V Type Chart
  • Fairy type does not exist — Dragon has fewer checks
  • Physical / Special split now per-move (introduced Gen IV)
4xCritical
None
2xWeak
GroundPsychic
½xResist
GrassFightingPoisonBug
¼xResist
None
0xImmune
None
STAB (1)
Grass
How to Beat Grimer in Black & White (Best Counters)

In Black & White, Excadrill can KO Grimer with Earthquake (146-172%). Gardevoir deals 83-97% with Psychic.

Excadrill
Excadrill
GroundSteel
A
Recommended Build
AbilitySandforce
ItemChoice Scarf
NatureJolly
Moves
  • EarthquakeSTAB
  • Rapid Spin
  • Iron Head
  • Rock Slide
Damage vs Grimer
Earthquake 2x
146-172%KO
Rapid Spin
24-29%
Rock Slide
37-43%
View Excadrill builds →

Black & White Evolution

One evolution ahead. Grimer grows into Muk through a straightforward two-stage chain. A decent partner pool for breeding via one egg group. Eggs are average hatch time. Evolving adds up to 175 stat points total. View every chain in the Evolution Chart.

How to Evolve

2 Forms
Grimer
#088Grimer
38
Level 38
Muk
#089Muk
Stat Comparison 2 Stages
Grimer
Poison
Muk
Poison
HP
80
105+25
ATK
80
105+25
DEF
50
75+25
SP.ATK
40
65+25
SP.DEF
50
100+50
SPE
25
50+25
BST
325C-Tier
500B-Tier+175
ROLE
Trick Room
Tank
TYPE
Physical
Physical

Breeding

Very Easy

Breed Grimer easily with 45 breeding partners from the Indeterminate egg group. Pass egg moves like Acid Spray, Curse, Haze and 9 more to offspring.

Egg Groups
Indeterminate
Gender
♂50.0%♀50.0%
Hatch Time
20 cycles·5,140 steps
Quick~5 min with Flame Body
Egg Moves
12moves
Breed With (best first)
gardevoirgalladegastrodonstunfiskshelloscofagriguskirliacastformraltsyamaskmukgengar
12 of 45·

Black & White Grimer Best Moveset

Focus Sash guarantees Grimer survives one hit from full HP. That's enough to deal early damage and fire off Mudslap before going down. Stickyhold and flexible EVs maximize first-turn impact.

Best Build

Experimental
Bulky Support
Ability
Sticky Hold
Item
Focus SashSURVIVAL
Best Nature for Grimer
HardyNEUTRAL

Grimer best EVs are Sp. Def and HP

EVs

Bulky Support Moveset

  • Mud Slap
  • StockpileUtility
  • Poison JabSTAB
  • SwallowUtility

Recommended Teammates

Wigglytuff
WigglytuffExcellent
Cofagrigus
CofagrigusGood
Ninetales
NinetalesGood

Moves

Breeding opens up real options for Grimer. Acid Spray and Curse come exclusively from egg moves, and they're worth the effort. The rest of the kit covers basics through Gunk Shot and Sludge Wave and coverage across 8 types.

Level-Up Moves

Lv 1
Poison Gas
D—8040Poison
Lv 1
Pound
—4010035Normal
Lv 4
Harden
———30Normal
Lv 7
Mud-Slap
S2010010Ground
Lv 12
Disable
D—10020Normal
Lv 17
Minimize
———20Normal
Lv 20
Sludge
—6510020Poison
Lv 23
Mud Bomb
—658510Ground
Lv 28
Fling
——10010Dark
Lv 33
Screech
——8540Normal
Lv 36
Sludge Bomb
D9010010Poison
Lv 39
Acid Armor
D——40Poison
Lv 44
Sludge Wave
D9510010Poison
Lv 49
Gunk Shot
C120705Poison
Lv 52
Memento
C—10010Dark

TM Moves

TM
TM45
Attract
C—10015Normal
TM28
Dig
C8010010Ground
TM32
Double Team
———15Normal
TM64
Explosion
B2501005Normal
TM42
Facade
D7010020Normal
TM38
Fire Blast
D120855Fire
TM35
Flamethrower
D9510015Fire
TM56
Fling
——10010Dark
TM21
Frustration
——10020Normal
TM10
Hidden Power
—6010015Normal
TM59
Incinerate
—3010015Fire
TM66
Payback
D5010010Dark
TM84
Poison Jab
S8010020Poison
TM17
Protect+4
C——10Normal
TM18
Rain Dance
C——5Water
TM44
Rest
A——10Psychic
TM27
Return
D—10020Normal
TM80
Rock Slide
D759010Rock
TM39
Rock Tomb
—609510Rock
TM48
Round
—6010015Normal
TM30
Shadow Ball
D8010015Ghost
TM36
Sludge Bomb
D9010010Poison
TM34
Sludge Wave
D9510010Poison
HM04
Strength
C8010015Normal
TM90
Substitute
C——10Normal
TM11
Sunny Day
C——5Fire
TM87
Swagger
——9015Normal
TM12
Taunt
C—10020Dark
TM46
Thief
—6010010Dark
TM25
Thunder
D1207010Electric
TM24
Thunderbolt
D9510015Electric
TM41
Torment
——10015Dark
TM06
Toxic
C—9010Poison
TM09
Venoshock
—6510010Poison

Egg Moves

Egg
Egg
Acid Spray
—4010020Poison
Egg
Curse
C——10Ghost
Egg
Haze
C——30Ice
Egg
Imprison
———10Psychic
Egg
Lick
—2010030Ghost
Egg
Mean Look
———5Normal
Egg
Scary Face
——10010Normal
Egg
Shadow Punch
D60—20Ghost
Egg
Shadow Sneak+1
D4010030Ghost
Egg
Spit Up
——10010Normal
Egg
Stockpile
S——20Normal
Egg
Swallow
S——10Normal

Tutor Moves

Grimer can't learn any Tutor moves

Transfer Moves

Gen
Gen 3
Body Slam
B8510015Normal
Gen 4
Captivate
——10020Normal
Gen 3
Dynamic Punch
D100505Fighting
Gen 4
Endure+4
D——10Normal
Gen 3
Mimic
———10Normal
Gen 4
Natural Gift
——10015Normal
Gen 4
Secret Power
—7010020Normal
Gen 4
Shock Wave
—60—20Electric

How to Get Grimer in Black & White

Grimer doesn't appear in Black & White. Transfer it from Red, Yellow, or Black 2 to add it to your collection. Check the source games below for encounter details.

Grimer is not available as a wild encounter in this game.

Catch in the wild in:

Black 2Surfing · Castelia Sewers · Shaking spot

Then trade to Black & White.

Also found in:

RedYellowGoldCrystalRubyEmerald

Grimer Guide

  • Grimer has 2 evolution paths: Muk at level 38 and Alolan Muk at level 38. Different conditions, different results.

  • Grimer has 2 evolution paths: Muk at level 38 and Alolan Muk at level 38. Different method for each one.

  • For Black & White, you can run Grimer through the first few routes without issues. 325 BST won't carry you far though. Get it to Muk as fast as you can.

  • Grimer is catchable in Black & White. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 18 other games across the series.

Game Availability

Since debuting in Red & Blue, Grimer has appeared in 19 titles over 10 generations. Along the way, it received an Alolan form in Generation 7, keeping it relevant across different competitive metas.

Click a game to view version-specific details

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