A nature raises one stat by a tenth and lowers another by the same. Four of them raise and lower the same stat, which comes to nothing at all — those are the neutral ones.
A nature is fixed when the Pokémon is met, but a Mint from the Battle Tower will change what it counts as.
| Nature | Raises | Lowers |
|---|---|---|
| Adamant | +10% Attack | −10% Sp. Atk |
| Bold | +10% Defence | −10% Attack |
| Brave | +10% Attack | −10% Speed |
| Calm | +10% Sp. Def | −10% Attack |
| Careful | +10% Sp. Def | −10% Sp. Atk |
| Docile | nothing | nothing |
| Gentle | +10% Sp. Def | −10% Defence |
| Hardy | nothing | nothing |
| Hasty | +10% Speed | −10% Defence |
| Impish | +10% Defence | −10% Sp. Atk |
| Jolly | +10% Speed | −10% Sp. Atk |
| Lax | +10% Defence | −10% Sp. Def |
| Lonely | +10% Attack | −10% Defence |
| Mild | +10% Sp. Atk | −10% Defence |
| Modest | +10% Sp. Atk | −10% Attack |
| Naive | +10% Speed | −10% Sp. Def |
| Naughty | +10% Attack | −10% Sp. Def |
| Quiet | +10% Sp. Atk | −10% Speed |
| Quirky | nothing | nothing |
| Rash | +10% Sp. Atk | −10% Sp. Def |
| Relaxed | +10% Defence | −10% Speed |
| Sassy | +10% Sp. Def | −10% Speed |
| Serious | nothing | nothing |
| Timid | +10% Speed | −10% Attack |