Is Grimer Good in Ultra Sun & Ultra Moon Playthrough?
Trainers' School area gives you access to Alolan Grimer, a Poison/Dark type immune to Psychic. Shuts down Acerola's Ghost E4 plans with its Dark side. Evolves at level 38 into one of the bulkiest Dark-types around.
Grimer has the type edge here and should clean up Ilima's team.
Hala's team hits Grimer's weaknesses hard.
Muk trades roughly evenly with Lana's team.
ElectricSteelReceived as a Totem-sized gift Pokemon by collecting enou... (Ultra Moon only)
BugElectricReceived as a Totem-sized gift Pokemon by collecting enou... (Ultra Sun only)
GrassReceived as a Totem-sized gift Pokemon by collecting enou... (Ultra Sun only)
GhostFairyReceived as a Totem-sized gift Pokemon by collecting enou...
Kiawe's typing presses Grimer's defenses.
Grimer trades roughly evenly with Mallow's team.
Grimer trades roughly evenly with Olivia's team.
Sophocles's typing presses Grimer's defenses.
Grimer trades roughly evenly with Acerola's team.
Muk trades roughly evenly with Nanu's team.
Muk has the type edge here and should clean up Mina's team.
Hapu's team hits Muk's weaknesses hard.
Molayne's team hits Muk's weaknesses hard.
Muk trades roughly evenly with Olivia's team.
Muk trades roughly evenly with Acerola's team.
Muk trades roughly evenly with Kahili's team.
Muk trades roughly evenly with Kukui's team.
Catch Grimer on Route 1 (walking, Lv 5-8).
Your Grimer should hit Level 38 before you reach Lana, at typical leveling pace.
How to Get Alolan Grimer in Ultra Sun & Ultra Moon
Easy grab on Alolan Grimer with high spawn rates across 6 locations in early-game routes. The sorted list below shows the full spread so you can pick the most convenient spot.
Where To Catch Grimer in USUM
The path to Grimer starts with Grimer at Lv. 5-28 via walking encounters. 1 catchable stage total, with locations listed for each one below.
Grimer Weakness
Grimer is weak to Ground. On the flip side, it's immune to Psychic-type moves entirely. 4 resistances help offset the weaknesses.
| Damage | Types |
|---|---|
| 2x (Weak) | Ground |
| 0.5x (Resist) | Grass, Poison, Ghost, Dark |
| 0x (Immune) | Psychic |
What is Grimer Weak Against
ExcellentBest Pokemon Against Grimer
 Krookodile GroundDark | B | |
 Torterra GrassGround | C | |
 Rhydon GroundRock | C | |
 Mudsdale Ground | C | |
Available Move Moves
Damage vs Grimer View Mudsdale builds →High Horsepower 2x140-165%KO | ||
 Sandslash Ground | C | |
Krookodile GroundDark | B | |
Torterra GrassGround | C | |
 Swampert WaterGround | C | |
Rhydon GroundRock | C | |
Sandslash Ground | C | |
Krookodile GroundDark | B | |
Rhydon GroundRock | C | |
 Marowak Ground | C | |
Obtain MethodHeahea Beach Gift | ||
 Garchomp DragonGround | A | |
 Landorus Ground | B | |
Obtain MethodUltra Space Wilds Interact Encounter | ||
In Ultra Sun & Ultra Moon, Excadrill can KO Grimer with Earthquake (177-208%).
 Excadrill GroundSteel | A | |
Recommended Build AbilityMold Breaker ItemFocus Sash NatureJolly Moves
Damage vs Grimer View Excadrill builds →Earthquake 2x177-208%KO Rapid Spin29-35% | ||
Grimer Evolutions
One evolution ahead. Grimer grows into Muk through a straightforward two-stage chain. Plenty of partners 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 52 breeding partners from the Indeterminate egg group. Pass egg moves like Assurance, Clear Smog, Curse and 10 more to offspring.
USUM Grimer Best Moveset
Poison at 80 Attack and 80 HP with AbilityPoison Touch poisoning on contact as a hidden ability. The Alolan form adds Dark typing. The moveset at pre-evolution stats has no impact. Muk one evolution away adds 105 Attack.
Best Build
Grimer best EVs are Attack and Sp. Def
Utility Moveset
- Shadow Sneak
- Fire Punch
- Gunk Shot
- Thief
Moves List
Breeding opens up real options for Grimer. Assurance and Clear Smog come exclusively from egg moves, and they're worth the effort. The rest of the kit covers basics through Gunk Shot and Belch and coverage across 9 types.
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
Base Stats
There are a hundred or so of them living in Alola's waste-disposal site. They're all hard workers who eat a lot of trash.
Brought to Alola to solve the garbage problem, Grimer seems to relish any and all kinds of trash.
Grimer Ultra Sun & Ultra Moon Guide
For Ultra Sun & Ultra Moon, 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