Rillaboom

Grass. Rank 1 by usage, on 38.7% of teams, leads 23.0% of the time.

Usage, lead rate and teammates from 2099 public Showdown replays uploaded 2026-09-15 to 2026-09-16, average rating 1149. Moves, items, abilities and Stat Point spreads from in-game ranked data (championsbattledata.com, M6/16_09_2026); each spread is paired with the most common nature because the game reports them separately.

New this regulation: no previous ladder data for this Pokémon.

Moves

Grassy Glide97.8%
Fake Out95.9%
Wood Hammer80.5%
U-turn52.5%
High Horsepower44.1%
Protect10.3%
Knock Off7.0%
Superpower2.3%

Items

Miracle Seed54.8%
Life Orb11.9%
Sitrus Berry11.6%
Grassy Seed5.5%
Occa Berry5.0%
Leftovers3.6%
Eject Button1.6%
Rocky Helmet1.3%

Abilities

Grassy Surge100.0%
Overgrow0.0%

Spreads

Adamant 32/32/0/0/2/010.1%
Adamant 32/32/0/0/0/29.4%
Adamant 18/25/5/0/10/85.4%
Adamant 24/15/0/0/14/132.8%
Adamant 32/32/2/0/0/02.4%
Adamant 2/32/0/0/0/321.9%

HP / Atk / Def / SpA / SpD / Spe in Stat Points

Partners

Share of this Pokémon's teams that also carry the partner.

Most common set, used for the calcs below

Miracle Seed, Grassy Surge, Adamant 32/32/0/0/2/0. Grassy Glide, Fake Out, Wood Hammer, U-turn.

Stats 207 / 194 / 110 / 72 / 92 / 105. Weak to Bug, Fire, Flying, Ice, Poison. Resists Electric, Grass, Ground, Water.

Good against, and why

Basculegion 22.6% usage
Wood Hammer 188.8–222.3%, guaranteed OHKO
OHKO on all 3 of their common spreads (53% of usage)
Raichu-Mega-Y 10.1% usage
Wood Hammer 153.3–180.3%, guaranteed OHKO
OHKO on all 3 of their common spreads (31% of usage)
Gardevoir-Mega 10.5% usage
Wood Hammer 128.3–151%, guaranteed OHKO
OHKO on all 3 of their common spreads (37% of usage)
Froslass-Mega 5.1% usage
Wood Hammer 119–140.8%, guaranteed OHKO
OHKO on all 3 of their common spreads (39% of usage)
Milotic 13.9% usage
Wood Hammer 118.8–140.6%, guaranteed OHKO, and it moves first
OHKO on all 3 of their common spreads (13% of usage)
Ninetales-Alola 6.4% usage
Wood Hammer 110.7–130.7%, guaranteed OHKO
OHKO on all 3 of their common spreads (47% of usage)
Tyranitar-Mega 7.5% usage
Wood Hammer 105.1–125.4%, guaranteed OHKO
On their common spreads: OHKO (17%), 87.5% to OHKO (6%), 37.5% to OHKO (5%)
Excadrill 5.3% usage
Wood Hammer 104.8–124.1%, guaranteed OHKO
OHKO on all 3 of their common spreads (87% of usage)
Floette-Mega 8.1% usage
Wood Hammer 97.4–115.2%, 81.3% chance to OHKO
On their common spreads: 81.3% to OHKO (17%), 37.5% to OHKO (4%), 2HKO (3%)
Pelipper 11.9% usage
Wood Hammer 96.4–113.9%, 75% chance to OHKO
On their common spreads: 75% to OHKO (30%), 2HKO (5%), 2HKO (5%)
Arcanine-Hisui 12.0% usage
Wood Hammer 91.3–108.1%, 50% chance to OHKO
On their common spreads: 50% to OHKO (67%), 56.3% to OHKO (9%), 50% to OHKO (6%)
Sylveon 13.7% usage
Wood Hammer 89.6–105.9%, 37.5% chance to OHKO, and it moves first
On their common spreads: 37.5% to OHKO (11%), 2HKO (6%), 2HKO (6%)
Indeedee-F 21.5% usage
Wood Hammer 70.1–83.1%, guaranteed 2HKO, and it moves first
2HKO on all 3 of their common spreads (68% of usage)
Sneasler 36.3% usage
Wood Hammer 62.4–73.9%, guaranteed 2HKO
2HKO on all 3 of their common spreads (61% of usage)
Farigiraf 16.5% usage
Wood Hammer 58.6–69.4%, guaranteed 2HKO, and it moves first
2HKO on all 3 of their common spreads (19% of usage)
Whimsicott 13.2% usage
Wood Hammer 54.7–65%, guaranteed 2HKO
2HKO on all 3 of their common spreads (66% of usage)

Threatened by, and why

Armarouge 6.9% usage
Armor Cannon 180.7–212.1%, guaranteed OHKO
OHKO on all 3 of its common spreads (25% of usage)
Torkoal 6.1% usage
Eruption 119.8–142%, guaranteed OHKO
OHKO on all 3 of its common spreads (25% of usage)
Sylveon 13.7% usage
Hyper Beam 113.5–133.8%, guaranteed OHKO
OHKO on all 3 of its common spreads (25% of usage)
Pelipper 11.9% usage
Hurricane 105.3–124.6%, guaranteed OHKO, and they move first
OHKO on all 3 of its common spreads (25% of usage)
Staraptor-Mega 10.6% usage
Brave Bird 105.3–124.6%, guaranteed OHKO, and they move first
OHKO on all 3 of its common spreads (25% of usage)
Baxcalibur-Mega 6.1% usage
Icicle Crash 105.3–124.6%, guaranteed OHKO, and they move first
OHKO on all 3 of its common spreads (25% of usage)
Arcanine-Hisui 12.0% usage
Flare Blitz 99.5–118.8%, 93.8% chance to OHKO, and they move first
On its common spreads: 93.8% to OHKO (10%), 93.8% to OHKO (9%), OHKO (5%)
Charizard-Mega-Y 14.4% usage
Heat Wave 98.6–115.9%, 81.3% chance to OHKO, and they move first
On its common spreads: 81.3% to OHKO (10%), 93.8% to OHKO (9%), 68.8% to OHKO (5%)
Froslass-Mega 5.1% usage
Blizzard 93.7–111.1%, 62.5% chance to OHKO, and they move first
On its common spreads: 62.5% to OHKO (10%), 75% to OHKO (9%), 50% to OHKO (5%)
Golisopod-Mega 17.1% usage
Leech Life 89.9–105.3%, 31.3% chance to OHKO
On its common spreads: 31.3% to OHKO (10%), 31.3% to OHKO (9%), 37.5% to OHKO (5%)
Sneasler 36.3% usage
Dire Claw 81.2–95.7%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Incineroar 26.7% usage
Flare Blitz 81.2–95.7%, guaranteed 2HKO
2HKO on all 3 of its common spreads (25% of usage)
Gholdengo 18.0% usage
Make It Rain 69.6–83.1%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Salamence-Mega 22.8% usage
Draco Meteor 65.7–78.3%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Ninetales-Alola 6.4% usage
Blizzard 64.7–76.3%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Floette-Mega 8.1% usage
Moonblast 64.3–75.8%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Gardevoir-Mega 10.5% usage
Expanding Force 57–67.1%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Tyranitar-Mega 7.5% usage
Knock Off 57–67.1%, guaranteed 2HKO, and they move first
2HKO on all 3 of its common spreads (25% of usage)
Raichu-Mega-Y 10.1% usage
Focus Blast 50.2–59.4%, guaranteed 2HKO, and they move first
On its common spreads: 2HKO (10%), 2HKO (9%), 3HKO (5%)