Mid-stage Pokemon like Marill rarely see competitive play outside of special formats. It's a waypoint on the road to Azumarill, which is where the real potential kicks in. Only weak to Electric and Grass. Known as the Aqua Mouse Pokemon.
Marill's spread isn't flashy. HP leads, Attack trails, 0 stats clear the bar. Common in the wild and worth 2 HP EVs, on a fast 800K XP curve.
The tip of its tail, which contains oil that is lighter than water, lets it swim without drowning.
The end of its tail serves as a buoy that keeps it from drowning, even in a vicious current.
Marill Weakness
GoodMarill's Water typing leaves it vulnerable to Electric and Grass moves. It resists 4 types, giving it decent defensive coverage. Thick Fat reduces Fire/Ice damage, further improving the defensive spread.
- Fairy type does not exist — Dragon has fewer checks
- Physical / Special split now per-move (introduced Gen IV)
Marill is the middle stage between Azurill and Azumarill. It's a three-stage line with one more evolution to go. For breeding, quick to hatch with a decent partner pool via two egg groups. So far, HP got the biggest boost (+20 from Azurill). The final form adds another 170 stats on top.
How to Evolve
Breed with Marill to get Azurill eggs easily using 35 partners from the Fairy and Water1 egg groups. Notable egg moves include Amnesia, Aqua Jet, Belly Drum and 14 more.
Best Build
No build content available for this Pokemon in Gen 4.
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The natural movepool does the job, but Amnesia and Aqua Jet from the egg pool give Marill something extra. Pair those with Hydro Pump and Aqua Tail for STAB and coverage across 9 types for reach, and the kit fills out nicely.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Reminder Moves
Transfer Moves
Grab Marill from the locations below, it shows up in the wild. Drop it at the nursery to hatch Azurill. From there, level the baby through the remaining stages to Marill.
Where To Catch Marill in HeartGold & SoulSilver
Azurill is your first catch on the way to Marill. You'll find walking encounters from Lv. 13-15 across 4 total spots in the chain.
Step 1Breed Azurill from MarillBreed from Marill at the Day Care.
Step 2Marill ✓EFFORTLESSMt. Mortar - 1F SouthHeartGoldGrassLv.13-15CommonEarlyCaveSwarm activeEFFORTLESSMt. Mortar - 1F SouthSoulSilverGrassLv.13-15CommonEarlyCaveSwarm activeCHALLENGINGMt. Mortar - 1F SouthHeartGoldGrassLv.15RareEarlyCaveCHALLENGINGMt. Mortar - 1F SouthSoulSilverGrassLv.15RareEarlyCaveor evolve from Azurill (Step 1)
Marill isn't fully evolved, so it's not built for competitive play. You'll want to evolve it into Azumarill to unlock its full potential. At 250 BST, it's a stepping stone rather than a team anchor.
Run Huge Power on Marill. It's the ability that defines how you build around it and the main reason it holds a competitive niche. Marill also gets Thick Fat and Sap Sipper, but they don't compare.
Marill fills the balanced role. It's a special attacker with base 20 Sp. Atk. Base 40 Speed is low. Priority moves or Trick Room are the way to go.
Marill appears in 17 games, including Gold & Silver, Crystal, and Ruby & Sapphire.
Marill first appeared in Gold & Silver and has been available in 17 games across 8 generations. Obtainable through catching or hatching as a base form in most titles where it appears.
- Gen IY
Yellow - Gen IRB
Red & Blue - Gen IIGSDebut
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 VIISM
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