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.
Born from polluted sludge in the sea, GRIMER’s favorite food is anything filthy. They feed on wastewater pumped out from factories.
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.
| Damage | Types |
|---|---|
| 2x (Weak) | Ground, Psychic |
| 0.5x (Resist) | Grass, Fighting, Poison, Bug |
- Dark and Steel types added — Fairy does not exist yet
- Moves are Physical or Special based on type, not per move
 Solrock RockPsychic | C | |
Obtain MethodMeteor Falls Surfing Available Moves Moves
Damage vs Grimer View Solrock builds →Psychic 2x72-86% Confusion 2x40-48% | ||
 Geodude RockGround | C | |
 Numel FireGround | D | |
 Sandshrew Ground | D | |
 Baltoy GroundPsychic | D | |
Available Moves Moves
Damage vs Grimer View Baltoy builds →Psychic 2x60-70% Dig 2x54-64% Psybeam 2x43-51% Confusion 2x35-41% | ||
Solrock RockPsychic | C | |
Obtain MethodMeteor Falls Surfing Available Moves Moves
Damage vs Grimer View Solrock builds →Psychic 2x71-84% Confusion 2x40-48% | ||
Geodude RockGround | C | |
Numel FireGround | D | |
Sandshrew Ground | D | |
Baltoy GroundPsychic | D | |
Available Moves Moves
Damage vs Grimer View Baltoy builds →Psychic 2x58-69% Dig 2x53-63% Psybeam 2x43-51% Confusion 2x35-42% | ||
Solrock RockPsychic | C | |
Obtain MethodMeteor Falls Surfing Available Moves Moves
Damage vs Grimer View Solrock builds →Psychic 2x72-85% Confusion 2x41-48% | ||
Geodude RockGround | C | |
Numel FireGround | D | |
Sandshrew Ground | D | |
Baltoy GroundPsychic | D | |
Available Moves Moves
Damage vs Grimer View Baltoy builds →Psychic 2x59-71% Dig 2x53-62% Psybeam 2x42-51% Confusion 2x33-40% | ||
Solrock RockPsychic | C | |
Obtain MethodMeteor Falls Surfing Available Moves Moves
Damage vs Grimer View Solrock builds →Psychic 2x72-86% Confusion 2x42-50% | ||
 Gligar Ground | C | |
 Rhyhorn GroundRock | C | |
Numel FireGround | D | |
Available Moves Moves
Damage vs Grimer View Numel builds →Earthquake 2x87-102%KO Dig 2x68-81% | ||
Sandshrew Ground | D | |
Gligar Ground | C | |
Available Moves Moves
Damage vs Grimer View Gligar builds →Earthquake 2x101-119%KO Dig 2x81-95% | ||
Rhyhorn GroundRock | C | |
Available Moves Moves
Damage vs Grimer View Rhyhorn builds →Earthquake 2x111-131%KO Dig 2x89-105%KO | ||
 Phanpy Ground | D | |
Numel FireGround | D | |
Available Moves Moves
Damage vs Grimer View Numel builds →Earthquake 2x87-102%KO Dig 2x68-81% | ||
Sandshrew Ground | D | |
Available Moves Moves
Damage vs Grimer View Sandshrew builds →Earthquake 2x101-119%KO Dig 2x81-95% | ||
In Emerald, Flygon can KO Grimer with Earthquake (124-147%). Gardevoir's Psychic also KOs at 136-159%.
 Flygon GroundDragon | B | |
Recommended Build AbilityLevitate ItemLeftovers NatureImpish Moves
Damage vs Grimer View Flygon builds →Earthquake 2x124-147%KO Rock Slide31-37% | ||
 Medicham FightingPsychic | C | |
Recommended Build AbilityPure Power ItemSalacberry NatureJolly Moves
Damage vs Grimer View Medicham builds →Shadow Ball31-37% Rock Slide29-34% | ||
 Gardevoir PsychicFairy | C | |
Recommended Build AbilityTrace ItemLeftovers NatureTimid Moves
Damage vs Grimer View Gardevoir builds →Psychic 2x136-159%KO Thunderbolt45-53% | ||
Emerald 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
Breeding
Breed Grimer easily with 22 breeding partners from the Indeterminate egg group. Pass egg moves like Curse, Explosion, Haze and 4 more to offspring.
Emerald Grimer Best Moveset
Best Build
No build content available for this Pokemon in Gen 3.
Try selecting a different game/generation filter, or check back later.
Moves
Breeding opens up real options for Grimer. Curse and Explosion come exclusively from egg moves, and they're worth the effort. The rest of the kit covers basics through Sludge Bomb and Sludge and coverage across 10 types.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Emerald Grimer Locations
low spawn rates across 1 encounter spots for Grimer. That's the kind of hunt where you pick one location and settle in. Sort by Best below to see where the odds are highest.
Best Locations to Catch Grimer in Emerald
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 Emerald, 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 Emerald. 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
- Gen 1Y
Yellow - Gen 1RBDebut
Red & Blue - Gen 2GS
Gold & Silver - Gen 2C
Crystal - Gen 3RS
Ruby & Sapphire - Gen 3FRLG
FireRed & LeafGreen - Gen 3E
Emerald - Gen 4Pt
Platinum - Gen 4HGSS
HeartGold & SoulSilver - Gen 4DP
Diamond & Pearl - Gen 5BW
Black & White - Gen 5B2W2
Black 2 & White 2 - Gen 6XY
X & Y - Gen 6ORAS
Omega Ruby & Alpha Sapphire - Gen 7USUM
Ultra Sun & Ultra Moon - Gen 7SMAlolan
Sun & Moon - Gen 7LGPE
Let's Go Pikachu & Eevee - Gen 8SwSh
Sword & Shield - Gen 8PLA
Legends: Arceus - Gen 8BDSP
Brilliant Diamond & Shining Pearl - Gen 9SV
Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW
Winds & Waves