Don't let the raw stats fool you. Thick Fat halves incoming Fire and Ice damage, and that completely changes the math for Grumpig. Only weak to Bug, Ghost, and Dark. Part of the Gen 3 roster.
Nothing fancy in Grumpig's spread. It leans special with Sp. Def out front. And you'll get 2 Sp. Def EVs per KO for it. Follows a fast 800K XP curve.
It uses black pearls to amplify its psychic power. It does a strange dance to control foes’ minds.
It uses black pearls to amplify its psychic power. It does an odd dance to gain control over foes.
Grumpig Weakness
VulnerableType-wise, Grumpig takes extra damage from Bug, Ghost, and Dark. Thick Fat reduces Fire/Ice damage, further improving the defensive spread. Grumpig's special bulk (base 110 Sp.Def) helps absorb special-type weaknesses, though physical moves exploit the lower Defense.
Grumpig is what Spoink becomes. Breed it for Spoink eggs (average hatch time). No compatible partners for breeding via one egg group. Eggs are average hatch time. The evolution from Spoink pushed Grumpig to 470 total stats. Defense saw the largest single gain at +30.
How to Evolve
Breed with Grumpig to get Spoink eggs easily from the Ground egg group. Notable egg moves include Amnesia, Endure, Extrasensory and 8 more.
This build takes hits and hits back. Leftovers provides passive recovery each turn, Thickfat supports the gameplan, and flexible EVs EVs mean Grumpig doesn't crumble to chip damage. Plus the remaining moves backing it up.
Best Build
Best Grumpig Moveset
- Psychic
- Thunder Wave
- Focus Blast
- Shadow Ball
Recommended Teammates
Breeding's the move. Amnesia and Endure give Grumpig options it can't learn any other way, and coverage across 9 types already covers a decent range on top of Future Sight and Dream Eater. The egg moves push it further.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Transfer Moves
Grumpig doesn't appear wild. Catch Spoink instead, it shows up at solid rates. Evolve it at level 32 to get Grumpig. The 2-stage line is mapped in the step cards below.
How to Obtain Grumpig in X & Y
To get Grumpig, start by catching Spoink through walking encounters at Lv. 13-15. The chain covers 1 catchable stage before reaching the final form.
Step 1Catch SpoinkEFFORTLESSRoute 8XGrassLv.13-14CommonEarlyRouteEFFORTLESSRoute 8YGrassLv.13-14CommonEarlyRouteEASYRoute 8XGrassLv.15UncommonEarlyRouteYellow FlowerEASYRoute 8YGrassLv.15UncommonEarlyRouteYellow Flower
Step 2Grumpig ✓
Grumpig looks average on paper at 470 BST. But Thick Fat is why it sees play — build around that and it pulls its weight. C-Tier on our tier list.
Grumpig's biggest threats include Heracross (Bug), Misdreavus (Ghost), and Houndoom (Dark), all carrying super-effective STAB moves.
Spoink evolves into Grumpig at level 32. Grumpig is the fully evolved form. It sits at 470 BST in its evolved form.
Grumpig gets Thick Fat, Own Tempo, and Gluttony. But Thick Fat is the one that matters — it's the centerpiece of every viable set. Build around that.
Grumpig is a special attacker with base 90 Sp. Atk. Enough bulk to take a hit or two, too. But the speed tells the real story — base 80 Speed is workable — faster than some, slower than many.
Grumpig appears in 15 games, including Ruby & Sapphire, FireRed & LeafGreen, and Emerald.
Debuting in Ruby & Sapphire, Grumpig appears in 15 games across 7 generations. A reliable presence in most mainline games, typically found through wild encounters.
- Gen IY
Yellow - Gen IRB

Red & Blue - Gen IIGS

Gold & Silver - Gen IIC
Crystal - Gen IIIRSDebut

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