#812 · Generation 8

Rillaboom

grass

Forms & variants

Max CP (L40 / L50): 3,324 / 3,758
Raid catch CP (L20 / L25): 1,899 / 2,374
Research CP (L15): 1,424
Buddy distance: 3 km
2nd charged move: 10,000 dust · 25 candy

Shiny
Shadow
Tradable
Mega
Dynamax

Keep

Rillaboom earns its spot: S-tier Ultra League.

Battle roles

S
Ultra League#21 of 844 · score 90.6
It is ranked #21 in Ultra League on PvPoke with Scratch / Drum Beating / Earth Power.
A
Great League#70 of 1146 · score 88.6
It is ranked #70 in Great League on PvPoke with Scratch / Drum Beating / Earth Power.
B
Master League#34 of 406 · score 86.2
It is ranked #34 in Master League on PvPoke with Scratch / Drum Beating / Earth Power.
B
Max Battle healerdynamaxB-tier Dynamax
B-tier Max Battle healer with Max Spirit, keeping the party alive in Gigantamax fights.
C
Grass raid attacker#17 Grass · 14.6 DPS
It ranks #17 of 338 Grass-type attackers with Razor Leaf / Frenzy Plant (needs an Elite TM).

Collection value

Has a Gigantamax form (G-Max Drum Solo): Gigantamax copies only come from Max Battle Days and cannot be re-obtained otherwise.

Tiers: S = meta-defining, A = strong, B = playable, C = niche. PvP from PvPoke overall rankings; raids from computed DPS/TDO within each attacking type; Max Battles from GO Hub tier lists.

Base stats

Attack239

Defense168

Stamina225

Base stats. Bars are scaled to the strongest Pokemon in the game.

Weak to

bug×1.6
fire×1.6
flying×1.6
ice×1.6
poison×1.6

Resists

electric×0.625
grass×0.625
ground×0.625
water×0.625

Evolution line

Grookey
→25 candyThwackey
→100 candyRillaboom

Check your Pokemon's IVs

Ranks all 4,096 spreads for each league

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PvP rankings (GO Battle League)

League	Tier	Rank	Score	Recommended moves	Typical build
Great League	A	#70 / 1146	88.6	Scratch · Drum Beating · Earth Power	L16.5 · 5/15/13
Ultra League	S	#21 / 844	90.6	Scratch · Drum Beating · Earth Power	L27.5 · 4/14/15
Master League	B	#34 / 406	86.2	Scratch · Drum Beating · Earth Power	L50 · 15/15/15
Ultra Premier	–	#470 / 689	71.2	Razor Leaf · Drum Beating · Frenzy Plant
Master Premier	C	#57 / 274	78.2	Razor Leaf · Drum Beating · Earth Power	L50 · 15/15/15

Source: PvPoke overall rankings. Score is relative to the league meta (100 = best). Typical build is the IV spread PvPoke assumes.

Max Battles (Dynamax & Gigantamax)

Rillaboom can Dynamax, and a Gigantamax version exists. Only copies caught in Max Battles (or from Max research) can enter Power Spot battles.

Max Moves

normalMax Strikefrom Scratch250 / 300 / 350 power
grassMax Overgrowthfrom Razor Leaf250 / 300 / 350 power
Max Guard+20 / +40 / +60 HP shield
Max Spiritheals 8 / 12 / 16% HP

The Gigantamax form swaps its grass Max Move for G-Max Drum Solo (350 / 400 / 450 power).

Max Battle roles

AttackerS Gigantamax
Healer (Max Spirit)B Dynamax

Max Move power is per level 1 / 2 / 3; levels are unlocked with Max Particles and Candy. Tiers from GO Hub's Max Battle tier lists (Aug 2026).

Raid attacker rankings

Attacking type	Tier	Rank	DPS	TDO	Best moves
grass	C	#17 / 338	14.6	299	Razor Leaf · Frenzy PlantElite TM
ground	–	#55 / 299	11.9	242	Razor Leaf · Earth Power

Level 40, 15/15/15, neutral target. DPS = damage per second, TDO = total damage output before fainting. Rank is among every Pokemon using that attacking type.

Moves

Fast move	Type	Raid power	Energy	Duration	DPS	PvP power	PvP energy	Speed
Scratch	normal	6	+4	0.5s	12.0	3	+4	1 turn
Razor LeafSTAB	grass	13	+7	1.0s	13.0	9	+4	2 turns

Charged move	Type	Raid power	Energy	Duration	Dmg/energy	PvP power	PvP energy	Effects
Energy BallSTAB	grass	90	-50	4.0s	1.80	80	-45	10% chance: -1 foe Def
Grass KnotSTAB	grass	90	-50	2.5s	1.80	90	-50
Earth Power	ground	100	-50	3.5s	2.00	90	-50	10% chance: -1 foe Def
Drum BeatingSTAB	grass	115	-33	4.5s	3.48	60	-35	100% chance: -1 foe Atk
Frenzy PlantElite TMSTAB	grass	100	-50	2.5s	2.00	100	-45

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