
Is Grimer Good in Omega Ruby & Alpha Sapphire Playthrough?
Grimer shows up in Hoenn's industrial routes. Poison typing doesn't have exciting matchups against Hoenn's gym leaders, but Muk's bulk makes it a decent physical sponge if nothing better fills the slot.
Grimer trades roughly evenly with Roxanne's team.
Grimer trades roughly evenly with Brawly's team.
Grimer trades roughly evenly with Wattson's team.
Grimer trades roughly evenly with Flannery's team.
Grimer trades roughly evenly with Norman's team.
Winona's team hits Grimer's weaknesses hard.
Tate & Liza's team hits Muk's weaknesses hard.
Muk trades roughly evenly with Wallace's team.
Muk has the type edge here and should clean up Sidney's team.
Phoebe's team hits Muk's weaknesses hard.
Muk trades roughly evenly with Glacia's team.
Drake's team hits Muk's weaknesses hard.
Steven's team hits Muk's weaknesses hard.
Catch Grimer on Fiery Path (walking, Lv 15, common).
Your Grimer should hit Level 38 before you reach Tate & Liza, at typical leveling pace.
How to Get Grimer in Omega Ruby & Alpha Sapphire
high spawn rates in early-game routes across 2 locations. Grimer's one of the easier catches on the list. Knock it out fast and save your time for harder targets.
Where To Catch Grimer in ORAS
Step 1Grimer ✓Fiery PathLv.15CaveAlpha SapphireRate 30%Fiery PathLv.15CaveOmega RubyRate 5%
Step 2Evolve into Muk
Grimer Weakness
Grimer is weak to Ground and Psychic. 5 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, Fairy |
What is Grimer Weak Against
GoodBest Pokemon Against Grimer
Latios DragonPsychic | B | |
Obtain MethodSouthern Island Interact Encounter Available Moves Moves
Damage vs Grimer View Latios builds →Psychic 2x139-164%KO Bulldoze 2x46-55% | ||
Latias DragonPsychic | B | |
Obtain MethodSouthern Island Gift Available Moves Moves
Damage vs Grimer View Latias builds →Psychic 2x120-142%KO Bulldoze 2x42-51% | ||
Torterra GrassGround | C | |
Graveler RockGround | C | |
Sandslash Ground | C | |
Metagross SteelPsychic | B | |
Obtain MethodEvolve Beldum (Mossdeep City Gift) Available Moves Moves
Damage vs Grimer View Metagross builds →Zen Headbutt 2x133-156%KO Bulldoze 2x66-79% | ||
Latios DragonPsychic | B | |
Obtain MethodSouthern Island Interact Encounter Available Moves Moves
Damage vs Grimer View Latios builds →Psychic 2x144-169%KO Bulldoze 2x47-56% | ||
Bronzong SteelPsychic | B | |
Available Moves Moves
Damage vs Grimer View Bronzong builds →Future Sight 2x127-150%KO Bulldoze 2x47-56% | ||
Gardevoir PsychicFairy | B | |
Available Move Moves
Damage vs Grimer View Gardevoir builds →Future Sight 2x184-216%KO | ||
Latias DragonPsychic | B | |
Obtain MethodSouthern Island Gift Available Moves Moves
Damage vs Grimer View Latias builds →Psychic 2x124-146%KO Bulldoze 2x44-51% | ||
Metagross SteelPsychic | B | |
Obtain MethodEvolve Beldum (Mossdeep City Gift) Available Moves Moves
Damage vs Grimer View Metagross builds →Zen Headbutt 2x128-151%KO Earthquake 2x107-126%KO | ||
Latios DragonPsychic | B | |
Obtain MethodSouthern Island Interact Encounter Available Moves Moves
Damage vs Grimer View Latios builds →Psychic 2x138-164%KO Earthquake 2x76-90% | ||
Bronzong SteelPsychic | B | |
Available Moves Moves
Damage vs Grimer View Bronzong builds →Future Sight 2x122-145%KO Earthquake 2x76-90% | ||
Gardevoir PsychicFairy | B | |
Available Move Moves
Damage vs Grimer View Gardevoir builds →Future Sight 2x178-210%KO | ||
Latias DragonPsychic | B | |
Obtain MethodSouthern Island Gift Available Moves Moves
Damage vs Grimer View Latias builds →Psychic 2x121-143%KO Earthquake 2x69-81% | ||
Excadrill GroundSteel | S | |
Latios DragonPsychic | B | |
Obtain MethodSouthern Island Interact Encounter Available Moves Moves
Damage vs Grimer View Latios builds →Dream Eater 2x157-185%KO Earthquake 2x76-90% | ||
Metagross SteelPsychic | B | |
Obtain MethodEvolve Beldum (Mossdeep City Gift) Available Moves Moves
Damage vs Grimer View Metagross builds →Zen Headbutt 2x131-154%KO Earthquake 2x108-127%KO | ||
Deoxys Psychic | A | |
Obtain MethodSky Pillar Interact Encounter | ||
Latias DragonPsychic | B | |
Obtain MethodSouthern Island Gift Available Moves Moves
Damage vs Grimer View Latias builds →Dream Eater 2x136-160%KO Earthquake 2x69-82% | ||
In Omega Ruby & Alpha Sapphire, Excadrill can KO Grimer with Earthquake (177-208%). Gardevoir threatens a KO with Psychic (118-139%).
Excadrill GroundSteel | S | |
Recommended Build AbilityMold Breaker ItemLeftovers NatureJolly Moves
Damage vs Grimer View Excadrill builds →Earthquake 2x177-208%KO Rapid Spin29-35% | ||
Gardevoir PsychicFairy | B | |
Recommended Build AbilityTrace ItemChoice Scarf NatureTimid Moves
Damage vs Grimer View Gardevoir builds →Moonblast31-37% Psychic 2x118-139%KO Shadow Ball35-41% | ||
Grimer Evolutions
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
ORAS Grimer Best Moveset
Poison at 80 Attack with AbilityPoison Touch adding a 30%% poison chance to contact moves. The moveset fires at pre-evolution stats. AbilitySticky Hold prevents item removal. Muk one evolution away adds 105 Attack and 105 HP.
Best Build
Grimer best EVs are Attack and Sp. Def
Utility Moveset
- Acid Armor
- Thunder Punch
- Incinerate
- Power Up Punch
Recommended Teammates
Moves List
The TM pool is where it gets interesting. Coverage across 11 types means almost nothing walls Grimer cleanly, with Gunk Shot and Belch anchoring the STAB side. Matchup flexibility isn't a problem.
How to Read the Moves Table
Tabs
- Level-Up
- Learned by leveling up.
- TM
- Taught by a Technical Machine.
- Egg
- Inherited via breeding.
- Tutor
- NPC tutor (cost: items, BP, money).
- Reminder
- An NPC reteaches any move this Pokemon could have learned by leveling up.
- Transfer
- Carried over from an older game using Pokemon HOME.
- Event
- Given out through Mystery Gift events.
Visual Signals
CAT (Category)
How the move deals damage and which stats it uses.
A small dot on the icon's corner marks the move as contact. That triggers abilities like Static, Flame Body, Rough Skin, or Iron Barbs, plus items like Rocky Helmet and Sticky Barb.
Tier (S to D)
Each move's competitive rank in RankedBoost's system. TM, Egg, and Tutor sort by tier by default (best first). On Level-Up, click the Tier header to do the same.
PWR (Power)
Base damage. Numbers shown in a type color include STAB (base × 1.5). Hover any colored number to see the math.
— means no power (status moves) or variable power.
Sorting & Filter
Click any column header to sort. Level-Up opens with Lv 1 at the top. TM, Egg, and Tutor open with the highest-tier moves at the top.
Search filters by move name or type. The Filter button limits the list to STAB, Physical, Special, or Status moves.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Transfer Moves
Base Stats
Grimer’s sludgy and rubbery body can be forced through any opening, however small it may be. This Pokémon enters sewer pipes to drink filthy wastewater.
Grimer emerged from the sludge that settled on a polluted seabed. This Pokémon loves anything filthy. It constantly leaks a horribly germ-infested fluid from all over its body.
Grimer Omega Ruby & Alpha Sapphire Guide
For Omega Ruby & Alpha Sapphire, 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.
Yes. Alolan Grimer is a regional variant with different typing and a reworked stat spread. Introduced in Gen 7. Plays completely differently from the original.
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 1RBDebut

Red & Blue - Gen 1Y
Yellow - Gen 2GS

Gold & Silver - Gen 2C
Crystal - Gen 3RS

Ruby & Sapphire - Gen 3E
Emerald - Gen 3FRLG

FireRed & LeafGreen - Gen 4DP

Diamond & Pearl - Gen 4Pt
Platinum - Gen 4HGSS

HeartGold & SoulSilver - Gen 5BW

Black & White - Gen 5B2W2

Black 2 & White 2 - Gen 6XY

X & Y - Gen 6ORAS

Omega Ruby & Alpha Sapphire - Gen 7SMAlolan

Sun & Moon - Gen 7USUM

Ultra Sun & Ultra Moon - Gen 7LGPE

Let's Go Pikachu & Eevee - Gen 8SwSh

Sword & Shield - Gen 8BDSP

Brilliant Diamond & Shining Pearl - Gen 8PLA
Legends: Arceus - Gen 9SV

Scarlet & Violet - Gen 9LZA
Legends: Z-A - Gen 10WW

Winds & Waves