Rillaboom in Pokémon GO

Type	Grass
Pokédex number	#812
Base Attack / Defense / Stamina	239 / 168 / 225
Max CP, level 40 / 50 / 51	3,324 / 3,758 / 3,803
Max HP, level 50	201
Buddy distance	3 km per Candy
Second Charged Attack	10,000 Stardust and 25 Candy
Height / weight	2.1 m / 90 kg

Rillaboom evolution

Pokémon GO has no evolution levels: a Pokémon evolves when you spend Candy on it (sometimes with an item or a task), at any level.

Rillaboom evolves from Thwackey for 100 Grookey Candy.

Rillaboom is the last stage of its family: it does not evolve further.

Family: Grookey · Thwackey · Rillaboom

Rillaboom CP by level

Combat Power with perfect stats (15/15/15) and with 10/10/10. Players find that raid, egg and research catches never have a stat below 10; that floor is their measurement, not a number in the game data.

Level	CP 15/15/15	CP 10/10/10	HP 15/15/15	Note
15	1,424	1,363	124	research rewards are at most level 15 (game master)
20	1,899	1,817	143	eggs hatch at most level 20 (game master); raid catches are level 20 (players’ measurement)
25	2,374	2,272	160	raid catches in weather that boosts the boss’s type are level 25 (players’ measurement)
30	2,849	2,726	175	wild Pokémon are at most level 30 (game master)
35	3,087	2,953	182
40	3,324	3,180	189
45	3,538	3,385	195
50	3,758	3,595	201
51	3,803	3,638	202	best buddy bonus on a level 50 Pokémon

Rillaboom best moveset

Ranked by damage per second over one cycle of fast attacks and one charged attack. Assumptions: Rillaboom at level 40 with 15/15/15, a target with 180 Defense taking neutral damage, no weather boost, and the energy Rillaboom gains from being hit left out.

Fast attack	Charged attack	Damage per second
Razor Leaf	Frenzy Plant	13.2	Elite TM
Scratch	Frenzy Plant	13.2	Elite TM
Razor Leaf	Drum Beating	12.8
Razor Leaf	Grass Knot	12.7
Scratch	Grass Knot	12.6

Fast attacks

Move	Type	Power	Energy	Time	Power / s
Razor Leaf	Grass	13	7	1 s	13.0	same type, ×1.2
Scratch	Normal	6	4	0.5 s	12.0

Charged attacks

Move	Type	Power	Energy cost	Time	Power / s
Drum Beating	Grass	115	33	4.5 s	25.6	same type, ×1.2
Earth Power	Ground	100	50	3.5 s	28.6
Energy Ball	Grass	90	50	4 s	22.5	same type, ×1.2
Frenzy Plant	Grass	100	50	2.5 s	40.0	same type, ×1.2, Elite TM
Grass Knot	Grass	90	50	2.5 s	36.0	same type, ×1.2

Rillaboom weaknesses and resistances

Damage multipliers for each attack type against Grass. Pokémon GO uses ×1.6 for super effective and ×0.625 for not very effective, multiplied for two types.

Attack type	Damage
Bug	×1.6
Fire	×1.6
Flying	×1.6
Ice	×1.6
Poison	×1.6
Electric	×0.625
Grass	×0.625
Ground	×0.625
Water	×0.625

Rillaboom CP calculator

Level Attack IV Defense IV HP IV

CP 3,324 · HP 189

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Sources: stats, moves, evolution costs and the CP multiplier for each level are from the Pokémon GO game master as published by PokeMiners (commit 8e227be, data of 28 August 2026). Which Pokémon are in the game: pogoapi.net (list of 31 January 2026). CP = ⌊(Attack+IV) × √(Defense+IV) × √(Stamina+IV) × CPM² / 10⌋, checked against pogoapi.net’s max CP table for 888 Pokémon. Raid catch levels and the 10/10/10 floor are players’ measurements; they are not in the game data. Pokémon and Pokémon GO are trademarks of their owners; this page is not affiliated with or endorsed by Niantic, Scopely, Nintendo, Creatures, GAME FREAK or The Pokémon Company.