Rillaboom is a Grass-type from Gen 8. 5 type weaknesses to keep in mind. 125 base Attack is its best stat. It sits at a decent but contested Speed tier. Known as the Drummer Pokemon.
Nothing fancy in Rillaboom's spread. It leans physical with Attack out front. And you'll get 3 Attack EVs per KO for it. Follows a 1.06M XP medium-slow curve.
Gigantamax energy has caused Rillaboom’s stump to grow into a drum set that resembles a forest.
Rillaboom has become one with its forest of drums and continues to lay down beats that shake all of Galar.
Rillaboom Weakness
FragileRillaboom is weak to Fire, Ice, Poison, Flying, and Bug-type moves. The Grass typing picks up 4 resistances to work with.
The three-stage chain from Grookey through Thwackey ends here at Rillaboom. Want more? Breed for Grookey eggs. A massive partner pool available via two egg groups. The evolution from Grookey pushed Rillaboom to 530 total stats. Attack saw the largest single gain at +60.
How to Evolve
Breed with Rillaboom to get Grookey eggs easily using 278 partners from the Ground and Plant egg groups.
Bulk and offense in one package. Rillaboom runs Assault Vest for a special bulk boost with no status moves allowed with a Jolly nature, so it survives long enough to threaten with Fakeout. Flexible EVs EVs and the remaining moves make it hard to safely switch into.
Best Build
Best Rillaboom Moveset
- Fake Out
- Grassy Glide
- Wood Hammer
- High Horsepower
Recommended Teammates
Most of Rillaboom's flexibility comes from TMs. Same-type output runs through Frenzy Plant and Leaf Storm, but Normal and Dark and the rest of the TM pool push it from predictable to genuinely threatening.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Egg moves make a real difference. Rillaboom gets Fake Out and Growth exclusively through breeding, filling gaps that TMs and level-up can't touch. Normal and Dark coverage and more rounds out the picture alongside Leaf Storm and Solar Blade.
Rillaboom works as a wallbreaker with 530 BST behind it. S-Tier on our list — one of the best competitive options available. That 125 base Attack does the heavy lifting.
Overgrow is the go-to ability for Rillaboom. It strengthens grass moves to inflict 1.5× damage at 1/3 max HP or less. Its hidden ability Grassy Surge can work in specific setups.
Rillaboom is a physical attacker with base 125 Attack. Enough bulk to take a hit or two, too. But the speed tells the real story — base 85 Speed is workable — faster than some, slower than many. Fits the wallbreaker role.
Rillaboom can be found in Scarlet & Violet and Sword & Shield.
Available since Sword & Shield, Rillaboom appears in 2 games spanning 2 generations. Beyond its original form, it gained a Gigantamax form in Generation 8.
- Gen IY
Yellow - Gen IRB
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 VIISM
Sun & Moon - Gen VIILGPE
Let's Go Pikachu & Eevee - Gen VIIISwShDebutGigantamax
Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP
Brilliant Diamond & Shining Pearl - Gen IXSV
Scarlet & Violet - Gen IXLZA
Legends: Z-A