As a Poison-type, Muk fills a straightforward role. Only weak to Ground and Psychic. Known as the Sludge Pokémon. Known as the Sludge Pokemon. The stat spread favors raw physical power.
Muk's built to absorb hits, not race for knockouts. Special bulk with HP doing the heavy lifting. And the medium-fast 1M XP curve means it won't take forever to bring up, worth 2 HP and Attack EVs.
From Muk’s body seeps a foul fluid that gives off a nose-bendingly horrible stench. Just one drop of this Pokémon’s body fluid can turn a pool stagnant and rancid.
This Pokémon’s favorite food is anything that is repugnantly filthy. In dirty towns where people think nothing of throwing away litter on the streets, Muk are certain to gather.
Muk Weakness
GoodGround and Psychic-type moves hit Muk for super-effective damage. The Poison typing picks up 5 resistances to work with. Muk's special bulk (base 100 Sp.Def) helps absorb special-type weaknesses, though physical moves exploit the lower Defense.
Muk is what Grimer becomes. Breed it for Grimer eggs (average hatch time). No compatible partners for breeding via one egg group. Eggs are average hatch time. The evolution from Grimer pushed Muk to 500 total stats. Sp.Def saw the largest single gain at +50.
How to Evolve
Breed with Muk to get Grimer eggs easily from the Indeterminate egg group. Notable egg moves include Acid Spray, Curse, Haze and 9 more.
Poisontouch helps Muk stick around while dealing real damage. Assault Vest for a special bulk boost with no status moves allowed, max HP and Attack EVs for the right balance, and Shadow Sneak as the main threat. Not the fastest, but it doesn't need to be.
Best Build
Best Muk Moveset
- Shadow Sneak
- Gunk Shot
- Power Up Punch
- Ice Punch
Recommended Teammates
Coverage runs deep. Muk can hit 11 types beyond STAB, including Ground and Normal. The offense anchors on Gunk Shot and Belch while TMs handle everything else.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Transfer Moves
Muk doesn't appear wild. Catch Grimer instead, it shows up but it's a rare spawn. Evolve it at level 38 to get Muk. The 2-stage line is mapped in the step cards below.
How to Obtain Muk in Omega Ruby & Alpha Sapphire
Step 1Catch GrimerHARDFiery PathOmega RubyGrassLv.152%EarlyVolcanoHARDFiery PathAlpha SapphireGrassLv.152%EarlyVolcano
Step 2Muk ✓
Muk works as a tank with 500 BST behind it. B-Tier on our list — a solid choice for the right team. That 105 base HP does the heavy lifting.
Stench has a 10% chance of making target Pokémon flinch with each hit — that's the one you want on Muk. Poison Touch is the hidden ability. Niche, but it has its uses. Sticky Hold works too if your team needs something different.
Muk is a physical attacker with base 105 Attack. Tanky enough to absorb a few hits, too. But the speed tells the real story — base 50 Speed is low. Priority moves or Trick Room are the way to go. Fits the tank role.
Muk appears in 19 games, including Yellow, Red & Blue, and Gold & Silver.
Available since Red & Blue, Muk appears in 19 games spanning 9 generations. Beyond its original form, it gained an Alolan form in Generation 7.
- Gen IY
Yellow - Gen IRBDebut
Red & Blue - Gen IIGS
Gold & Silver - Gen IIC
Crystal - Gen IIIRS
Ruby & Sapphire - Gen IIIFRLG
FireRed & LeafGreen - Gen IIIE
Emerald - Gen IVPt
Platinum - Gen IVHGSS
HeartGold & SoulSilver - Gen IVDP
Diamond & Pearl - Gen VBW
Black & White - Gen VB2W2
Black 2 & White 2 - Gen VIXY
X & Y - Gen VIORAS
Omega Ruby & Alpha Sapphire - Gen VIIUSUM
Ultra Sun & Ultra Moon - Gen VIISMAlolan
Sun & Moon - Gen VIILGPE
Let's Go Pikachu & Eevee - Gen VIIISwSh
Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP
Brilliant Diamond & Shining Pearl - Gen IXSV
Scarlet & Violet - Gen IXLZA
Legends: Z-A