Encounter locations
No fixed encounter location is recorded for this entry in the indexed game data.
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 100
- Attack
- 125
- Defense
- 90
- Sp. Attack
- 60
- Sp. Defense
- 70
- Speed
- 85
Abilities · Overgrow
Hidden ability · Grassy Surge
Evolution and forms
- From Thwackey · Level 35
Level-up moves
View level-up moves for Rillaboom
| Level | Move |
|---|---|
| 1 | Scratch |
| 1 | Growl |
| 1 | Taunt |
| 1 | Double Hit |
| 1 | Noble Roar |
| 1 | Grassy Terrain |
| 1 | Branch Poke |
| 12 | Razor Leaf |
| 19 | Screech |
| 24 | Knock Off |
| 30 | Slam |
| 38 | Uproar |
| 46 | Wood Hammer |
| 54 | Endeavor |
| 62 | Boomburst |