Rillaboom

#0812

Grass

Rillaboom is a Grass type Pokemon, number 812 in the National Pokedex. On Cobbleclub it spawns in Jungle biomes at levels 35–53, and is ultra rare.

Where to find Rillaboom

In the wild

Biomes	Rarity	Levels	Conditions
Jungle	Ultra rare	35–53	Any time

In herds

Biomes	Rarity	Levels	Conditions
Jungle	Ultra rare	36–48	Any time

Alpha and boss spawns

Biomes	Rarity	Levels	Conditions
Jungle	Very rareAlpha	1–100	Any time
Jungle	Very rare	36–48	Any time

How to evolve Rillaboom

Rillaboom is the final stage. It evolves from Thwackey: level 35.

Evolution line

Grookey Grass

Level 16
Thwackey Grass
- Level 35
  Rillaboom Grass

Rillaboom forms

Gmax Rillaboom GrassOvergrow, Grassy Surge (hidden) · Battle only

Rillaboom skins

Rillaboom has 6 cosmetic skins on Cobbleclub. A skin changes how it looks, not its stats or moves.

Sakura Battle Pass
Christmas Punk Bundle
Galaxy Collection
Permafrost Collection
Summer 2026 Collection
Digital Expedition Crate

Rillaboom base stats

HP	100
Attack	125
Defence	90
Sp. Atk	60
Sp. Def	70
Speed	85
Total	530

Moves Rillaboom learns

By level

Level	Move	Type	Category	Power	Accuracy
1	Branch Poke	Grass	Physical	40	100%
1	Double Hit	Normal	Physical	35	90%
1	Drum Beating	Grass	Physical	80	100%
1	Grassy Terrain	Grass	Status	—	—
1	Growl	Normal	Status	—	100%
1	Noble Roar	Normal	Status	—	100%
1	Scratch	Normal	Physical	40	100%
1	Taunt	Dark	Status	—	100%
12	Razor Leaf	Grass	Physical	55	95%
19	Screech	Normal	Status	—	85%
24	Knock Off	Dark	Physical	65	100%
30	Slam	Normal	Physical	80	75%
38	Uproar	Normal	Special	90	100%
46	Wood Hammer	Grass	Physical	120	100%
54	Endeavor	Normal	Physical	—	100%
62	Boomburst	Normal	Special	140	100%

By TM (67)

Move	Type	Category	Power	Accuracy
Acrobatics	Flying	Physical	55	100%
Assurance	Dark	Physical	60	100%
Body Press	Fighting	Physical	80	100%
Body Slam	Normal	Physical	85	100%
Brick Break	Fighting	Physical	75	100%
Brutal Swing	Dark	Physical	60	100%
Bulk Up	Fighting	Status	—	—
Bulldoze	Ground	Physical	60	100%
Bullet Seed	Grass	Physical	25	100%
Darkest Lariat	Dark	Physical	85	100%
Double-Edge	Normal	Physical	120	100%
Drain Punch	Fighting	Physical	75	100%
Earth Power	Ground	Special	90	100%
Earthquake	Ground	Physical	100	100%
Endeavor	Normal	Physical	—	100%
Endure	Normal	Status	—	—
Energy Ball	Grass	Special	90	100%
Facade	Normal	Physical	70	100%
False Swipe	Normal	Physical	40	100%
Fling	Dark	Physical	—	100%
Focus Blast	Fighting	Special	120	70%
Focus Energy	Normal	Status	—	—
Focus Punch	Fighting	Physical	150	100%
Frenzy Plant	Grass	Special	150	90%
Giga Drain	Grass	Special	75	100%
Giga Impact	Normal	Physical	150	90%
Grass Knot	Grass	Special	—	100%
Grass Pledge	Grass	Special	80	100%
Grassy Glide	Grass	Physical	55	100%
Grassy Terrain	Grass	Status	—	—
High Horsepower	Ground	Physical	95	95%
Hyper Beam	Normal	Special	150	90%
Hyper Voice	Normal	Special	90	100%
Knock Off	Dark	Physical	65	100%
Leaf Storm	Grass	Special	130	90%
Low Kick	Fighting	Physical	—	100%
Low Sweep	Fighting	Physical	65	100%
Magical Leaf	Grass	Special	60	—
Mega Kick	Normal	Physical	120	75%
Mega Punch	Normal	Physical	80	85%
Mud Shot	Ground	Special	55	95%
Nature Power	Normal	Status	—	—
Protect	Normal	Status	—	—
Rest	Psychic	Status	—	—
Scary Face	Normal	Status	—	100%
Screech	Normal	Status	—	85%
Seed Bomb	Grass	Physical	80	100%
Sleep Talk	Normal	Status	—	—
Snarl	Dark	Special	55	95%
Solar Beam	Grass	Special	120	100%
Solar Blade	Grass	Physical	125	100%
Stomping Tantrum	Ground	Physical	75	100%
Strength	Normal	Physical	80	100%
Substitute	Normal	Status	—	—
Sunny Day	Fire	Status	—	—
Superpower	Fighting	Physical	120	100%
Swift	Normal	Special	60	—
Swords Dance	Normal	Status	—	—
Take Down	Normal	Physical	90	85%
Taunt	Dark	Status	—	100%
Tera Blast	Normal	Special	80	100%
Thief	Dark	Physical	60	100%
Trailblaze	Grass	Physical	50	100%
U-turn	Bug	Physical	70	100%
Uproar	Normal	Special	90	100%
Work Up	Normal	Status	—	—
Worry Seed	Grass	Status	—	100%

Egg moves (6)

Move	Type	Category	Power	Accuracy
Fake Out	Normal	Physical	40	100%
Growth	Normal	Status	—	—
Hammer Arm	Fighting	Physical	100	90%
Leech Seed	Grass	Status	—	90%
Strength	Normal	Physical	80	100%
Worry Seed	Grass	Status	—	100%

By tutor (29)

Move	Type	Category	Power	Accuracy
Bulk Up	Fighting	Status	—	—
Bulldoze	Ground	Physical	60	100%
Drain Punch	Fighting	Physical	75	100%
Earth Power	Ground	Special	90	100%
Endeavor	Normal	Physical	—	100%
Energy Ball	Grass	Special	90	100%
False Swipe	Normal	Physical	40	100%
Focus Energy	Normal	Status	—	—
Focus Punch	Fighting	Physical	150	100%
Frenzy Plant	Grass	Special	150	90%
Giga Drain	Grass	Special	75	100%
Giga Impact	Normal	Physical	150	90%
Grass Pledge	Grass	Special	80	100%
Grassy Glide	Grass	Physical	55	100%
High Horsepower	Ground	Physical	95	95%
Hyper Beam	Normal	Special	150	90%
Hyper Voice	Normal	Special	90	100%
Knock Off	Dark	Physical	65	100%
Low Kick	Fighting	Physical	—	100%
Magical Leaf	Grass	Special	60	—
Rest	Psychic	Status	—	—
Seed Bomb	Grass	Physical	80	100%
Sleep Talk	Normal	Status	—	—
Snarl	Dark	Special	55	95%
Stomping Tantrum	Ground	Physical	75	100%
Superpower	Fighting	Physical	120	100%
Swift	Normal	Special	60	—
Uproar	Normal	Special	90	100%
Worry Seed	Grass	Status	—	100%

Rillaboom FAQ

Where does Rillaboom spawn in Cobblemon?

Rillaboom spawns in Jungle biomes at levels 35–53. It is ultra rare.

What type is Rillaboom?

Rillaboom is a Grass type Pokemon.

What is Rillaboom's hidden ability?

Rillaboom's hidden ability is Grassy Surge. On switch-in, this Pokemon summons Grassy Terrain.