Rillaboom

Rillaboom is ranked #1 by usage in Reg M-C, on 52.11% of teams (10,466 rosters). Those rosters have won 50.25% of 102,011 games, above the 50% line.

Rillaboom is Grass, a single type Pokémon.

By typing, Rillaboom is 2x weak to Bug, Fire, Flying, Ice and Poison. It resists Electric, Grass, Ground and Water (0.5x). Abilities such as Levitate or a held item can change this; the chart does not.

100 HP, 125 Attack, 90 Defense, 60 Sp. Atk, 70 Sp. Def and 85 Speed, 530 in total. At level 50 its Speed is 150 with a +Speed nature and 32 SP, 137 neutral with 32 SP, 105 uninvested, and 94 at minimum for Trick Room.

Speed tiers lists every Pokémon on the same benchmarks.

The most-played build is Miracle Seed with Grassy Surge and a Adamant nature, running Fake Out, Grassy Glide, High Horsepower and Wood Hammer. It is on 35.98% of Rillaboom rosters and has won 52.38% of 37,749 games.

The full build table, every slot and every spread, is above on this page.

Miracle Seed is the most-held, on 69.15% of Rillaboom rosters.

Grassy Surge, on 97.98% of rosters. The slot is effectively fixed, so it is not a build decision.

The four most-run moves are Fake Out, Grassy Glide, Wood Hammer and High Horsepower.

Adamant on 86.60% of rosters and Careful on 3.24%.

Spreads are a separate board: open the EV Spreads tab above for the ones published with a list.

Incineroar is the most common, on 46.10% of Rillaboom rosters.

Name	Share of Rillaboom rosters	Win rate
Incineroar	46.10%	50.41%
Sneasler	40.69%	50.55%
Gholdengo	37.87%	51.04%
Raichu	33.18%	52.06%
Salamence	31.75%	50.29%

Teams carrying Rillaboom have their worst records against these.

Name	Win rate	Games
Annihilape	45.62%	2,701
Kommo-o	46.58%	3,387
Delphox	47.00%	4,935

Teams carrying Rillaboom have their best records against these.

Name	Win rate	Games
Absol	55.09%	1,214
Sableye	55.09%	1,005
Wash Rotom	54.30%	486

Tournament team lists and match records for Pokémon Champions. These answers read Reg M-C. Figures as of 2026-10-12.

Method