#812 · Generation 8

Gigantamax Rillaboom

grassGigantamax

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

Gigantamax Rillaboom earns its spot: S-tier Max Battle attacker (Gigantamax).

Battle roles

S
Max Battle attackergigantamaxS-tier Gigantamax
Gigantamax Rillaboom is S-tier for Max Battle damage with G-Max Drum Solo (GO Hub tier list). Only a copy caught in a Max Battle can use it.

Collection value

Has a Gigantamax form (G-Max Drum Solo): Gigantamax copies only come from Max Battle Days and cannot be re-obtained otherwise.
Cannot be traded, so transfer only real spares.

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

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PvP rankings (GO Battle League)

Not ranked in any PvPoke league (usually because the CP or stats do not fit, or it is unreleased).

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

grassG-Max Drum SoloG-Max350 / 400 / 450 power
normalMax Strikefrom Scratch250 / 300 / 350 power
Max Guard+20 / +40 / +60 HP shield
Max Spiritheals 8 / 12 / 16% HP

Max Battle roles

AttackerS Gigantamax

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

No raid data (unreleased or no damaging moves).

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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