| Nature | Increases | Decreases |
|---|---|---|
| Adamant | Attack | Sp. Atk |
| Bashful | Sp. Atk | Sp. Atk |
| Bold | Defense | Attack |
| Brave | Attack | Speed |
| Calm | Sp. Def | Attack |
| Careful | Sp. Def | Sp. Atk |
| Docile | Defense | Defense |
| Gentle | Sp. Def | Defense |
| Hardy | Attack | Attack |
| Hasty | Speed | Defense |
| Impish | Defense | Sp. Atk |
| Jolly | Speed | Sp. Atk |
| Lax | Defense | Sp. Def |
| Lonely | Attack | Defense |
| Mild | Sp. Atk | Defense |
| Modest | Sp. Atk | Attack |
| Naive | Speed | Sp. Def |
| Naughty | Attack | Sp. Def |
| Quiet | Sp. Atk | Speed |
| Quirky | Sp. Def | Sp. Def |
| Rash | Sp. Atk | Sp. Def |
| Relaxed | Defense | Speed |
| Sassy | Sp. Def | Speed |
| Serious | Speed | Speed |
| Tired | Speed | Attack |
