In Sword & Shield, Rillaboom works as a wallbreaker with 530 BST behind it. A-Tier on our list: a strong pick in Sword & Shield's competitive scene. Fakeout with Assault Vest is the standard set.

What is Rillaboom weak to?

In Sword & Shield, Rillaboom's biggest threats include Blaziken (Fire), Weavile (Ice), and Salazzle (Poison), all carrying super-effective STAB moves. Flying and Bug-type attackers are also a problem. With 5 weakness types, most competitive teams carry at least one counter.

What role does Rillaboom play in battle?

Rillaboom is a physical attacker with base 125 Attack. Enough bulk to take a hit or two, too. Speed tells the real story. Base 85 Speed is workable. Faster than some, slower than many. Fits the wallbreaker role.

What counters Rillaboom?

In Sword & Shield, the best way to handle Rillaboom: Status moves (Toxic, Will-O-Wisp) wear it down. Setup sweepers can use it as a boost opportunity. Special attackers bypass its physical bulk.

Rillaboom - Weakness, Evolution, Moveset, EVs & Stats

Physical

Wallbreaker

ATier

85Speed · Above Avg

Stats & Training

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.

Base Stats

High

HP100

Attack125

Defense90

Sp. Atk60

Sp. Def70

Speed85

Total530

Details

Catch Rate

Challenging45 / 255

Growth Rate

Medium Slow1.06M XP

Height2.1 m

Weight90.0 kg

Base XP265

Abilities

OvergrowRare

Strengthens grass moves to inflict 1.5× damage at 1/3 max HP or less.

Grassy SurgeHATop Pick

When this Pokémon enters battle, it changes the terrain to Grassy Terrain.

EV Yield

HPAtk+3DefSpASpDSpe

Strong Attack training target

Pokedex Entries

Gigantamax energy has caused Rillaboom’s stump to grow into a drum set that resembles a forest.

Rillaboom Weakness

Rillaboom is weak to Fire, Ice, Poison, Flying, and Bug. The Grass typing picks up 4 resistances to work with. That's a lot of weak spots to cover so team support is important.

Rillaboom Weakness and Resistance Chart
Damage	Types
2x (Weak)	Fire, Ice, Poison, Flying, Bug
0.5x (Resist)	Water, Electric, Grass, Ground

Type ChartFragile

5Weak

4Resist

0Immune

Score-6

4xCritical

None

2xWeak

Fire Ice Poison Flying Bug

½xResist

Water Electric Grass Ground

¼xResist

None

0xImmune

None

STAB (3)

Water Ground Rock

How to Beat Rillaboom in Sword & Shield (Best Counters)

In Sword & Shield, Crawdaunt deals 55-65% with Close Combat.

HippowdonWalls physical sets Ground	A
Recommended Build AbilitySand Stream ItemLeftovers NatureImpish Moves Slack Off EarthquakeSTAB Stealth Rock ToxicUtility Damage vs Rillaboom Earthquake 16-19% View Hippowdon builds →
SlowbroRecovers HP on switch via Regenerator, burns with Scald, walls physical sets WaterPsychic	B
Recommended Build AbilityRegenerator ItemHeavy-Duty Boots NatureRelaxed Moves TeleportUtility Future Sight ScaldSTAB Slack Off Damage vs Rillaboom Scald 10-11% View Slowbro builds →
Crawdaunt WaterDark	B
Recommended Build AbilityAdaptability ItemChoice Band NatureAdamant Moves Knock Off Aqua Jet CrabhammerSTAB Close Combat Damage vs Rillaboom Knock Off 45-53% Aqua Jet 14-16% Crabhammer 34-40% Close Combat 55-65% View Crawdaunt builds →
SwampertThreatens with Ice Punch WaterGround	B
Recommended Build AbilityTorrent ItemLeftovers NatureSassy Moves Stealth Rock EarthquakeSTAB Flip Turn ToxicUtility Damage vs Rillaboom Earthquake 16-19% Flip Turn 9-11% View Swampert builds →
QuagsireIgnores boosts via Unaware, recovers with Recover, wears down with Toxic WaterGround	C
Recommended Build AbilityUnaware ItemLeftovers NatureRelaxed Moves RecoverRecovery ToxicUtility ScaldSTAB EarthquakeSTAB Damage vs Rillaboom Scald 7-8% Earthquake 13-15% View Quagsire builds →

Sword & Shield Evolution

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. View every chain in the Evolution Chart.

How to Evolve

3 Forms

#810Grookey

Level 16

#811Thwackey

Level 35

#812Rillaboom

Stat Comparison 3 Stages

Grookey

Grass

Thwackey

Grass

Rillaboom

Grass

70+20

100+30

ATK

85+20

125+40

DEF

70+20

90+20

SP.ATK

55+15

60+5

SP.DEF

60+20

70+10

SPE

80+15

85+5

BST

310B-Tier

420C-Tier+110

530S-Tier+110

ROLE

Balanced

Wallbreaker

TYPE

Physical

Breeding

Easy

Breed with Rillaboom to get Grookey eggs easily using 152 partners from the Ground and Plant egg groups. Notable egg moves include Fake Out, Growth, Hammer Arm and 4 more.

Egg Groups

GroundPlant

Gender

♂87.5%♀12.5%

Hatch Time

20 cycles·5,140 steps

Quick~5 min with Flame Body

Egg Moves

7moves

Breed With (best first)

Sword & Shield Rillaboom Best Moveset

Rillaboom keeps momentum with U-turn, switching out after dealing damage or scouting. Assault Vest gives it a special bulk boost with no status moves allowed, max HP and Attack EVs let it hit hard on the way out, and the remaining moves prevents dead turns.

Best Build

Experimental

Ability

Grassy Surge

Item

Assault VestBULK

Best Nature for Rillaboom

Adamant+ATK

Rillaboom best EVs are HP and Attack

EVs

Atk

Def

Doubles Physical Tank Moveset

Fake Out
Grassy GlideSTAB
U Turn
Wood HammerSTAB

Recommended Teammates

IncineroarDecent

DragapultDecent

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.

Level-Up Moves

Lv 1

Branch Poke

—4010040Grass

Lv 1

Double Hit

D359010Normal

Lv 1

Drum Beating

—8010010Grass

Lv 1

Grassy Terrain

———10Grass

Lv 1

Growl

——10040Normal

Lv 1

Noble Roar

——10030Normal

Lv 1

Scratch

—4010035Normal

Lv 1

Taunt

C—10020Dark

Lv 12

Razor Leaf

—559525Grass

Lv 19

Screech

D—8540Normal

Lv 24

Knock Off

S6510020Dark

Lv 30

Slam

—807520Normal

Lv 38

Uproar

D9010010Normal

Lv 46

Wood Hammer

A12010015Grass

Lv 54

Endeavor

D—1005Normal

Lv 62

Boomburst

C14010010Normal

TM Moves

TM78

Acrobatics

C5510015Flying

TM58

Assurance

—6010010Dark

TM31

Attract

C—10015Normal

TR99

Body Press

C8010010Fighting

TR01

Body Slam

C8510015Normal

TM43

Brick Break

C7510015Fighting

TM97

Brutal Swing

C6010020Dark

TR48

Bulk Up

C——20Fighting

TM81

Bulldoze

C6010020Ground

TM50

Bullet Seed

D2510030Grass

TR93

Darkest Lariat

C8510010Dark

TM63

Drain Punch

B7510010Fighting

TR67

Earth Power

D9010010Ground

TR10

Earthquake

B10010010Ground

TR26

Endure+4

C——10Normal

TR65

Energy Ball

C9010010Grass

TM39

Facade

C7010020Normal

TM94

False Swipe

D4010040Normal

TM59

Fling

——10010Dark

TR64

Focus Blast

D120705Fighting

TR13

Focus Energy

C——30Normal

TM28

Giga Drain

C7510010Grass

TM09

Giga Impact

B150905Normal

TR77

Grass Knot

D—10020Grass

TM88

Grassy Terrain

———10Grass

TR94

High Horsepower

C959510Ground

TM08

Hyper Beam

C150905Normal

TR42

Hyper Voice

D9010010Normal

TR71

Leaf Storm

C130905Grass

TR07

Low Kick

D—10020Fighting

TM10

Magical Leaf

D60—20Grass

TM01

Mega Kick

C120755Normal

Mega Punch

C808520Normal

TM53

Mud Shot

D559515Ground

TM25

Protect+4

C——10Normal

TM21

Rest

C——10Psychic

TM76

Round

D6010015Normal

TM26

Scary Face

——10010Normal

TM16

Screech

D—8540Normal

TR27

Sleep Talk

C——10Normal

TM85

Snarl

D559515Dark

TM24

Snore

—5010015Normal

TM11

Solar Beam

C12010010Grass

TM12

Solar Blade

B12510010Grass

TM98

Stomping Tantrum

C7510010Ground

TR20

Substitute

C——10Normal

TM34

Sunny Day

C——5Fire

TR39

Superpower

A1201005Fighting

TM40

Swift

D60—20Normal

Swords Dance

A——20Normal

TR37

Taunt

C—10020Dark

TM56

U-turn

S7010020Bug

TR35

Uproar

D9010010Normal

TR85

Work Up

D——30Normal

Egg Moves

Egg

Fake Out+3

S4010010Normal

Egg

Growth

C——20Normal

Egg

Hammer Arm

C1009010Fighting

Egg

Leech Seed

C—9010Grass

Egg

Nature Power

D——20Normal

Egg

Strength

—8010015Normal

Egg

Worry Seed

D—10010Grass

Tutor Moves

Tut

Tutor

Grassy Glide

S7010020Grass

How to Get Rillaboom in Sword & Shield

How to Obtain Rillaboom in Sword & Shield

Step 1Obtain Grookey
Train until Level 16
Step 2Evolve into Thwackey
Train until Level 35
Step 3Rillaboom ✓

Rillaboom Guide

In Sword & Shield, Rillaboom works as a wallbreaker with 530 BST behind it. A-Tier on our list: a strong pick in Sword & Shield's competitive scene. Fakeout with Assault Vest is the standard set.
In Sword & Shield, Rillaboom's biggest threats include Blaziken (Fire), Weavile (Ice), and Salazzle (Poison), all carrying super-effective STAB moves. Flying and Bug-type attackers are also a problem. With 5 weakness types, most competitive teams carry at least one counter.
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. Speed tells the real story. Base 85 Speed is workable. Faster than some, slower than many. Fits the wallbreaker role.
In Sword & Shield, the best way to handle Rillaboom: Status moves (Toxic, Will-O-Wisp) wear it down. Setup sweepers can use it as a boost opportunity. Special attackers bypass its physical bulk.

Game Availability

Available since Sword & Shield, Rillaboom appears in 2 games spanning 3 generations. Beyond its original form, it gained a Gigantamax form in Generation 8.

Click a game to view version-specific details

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