Pokémon Black Version and Pokémon White Version - Nature
Each Pokémon can have one of 25 different natures, which is randomly chosen as it’s generated. Most natures raise one stat by 10% and lower another stat by 10%. Shown here are the stats to increase and decrease. In Pokémon Black Version, Pokémon White Version, and later, a Pokémon’s nature is not based on its personality ID.
| Value | Nature | Stat increase | Stat decrease |
|---|---|---|---|
| 0 | Hardy | ---- | ---- |
| 1 | Lonely | +Attack | -Defense |
| 2 | Brave | +Attack | -Speed |
| 3 | Adamant | +Attack | -Special Attack |
| 4 | Naughty | +Attack | -Special Defense |
| 5 | Bold | +Defense | -Attack |
| 6 | Docile | ---- | ---- |
| 7 | Relaxed | +Defense | -Speed |
| 8 | Impish | +Defense | -Special Attack |
| 9 | Lax | +Defense | -Special Defense |
| 10 | Timid | +Speed | -Attack |
| 11 | Hasty | +Speed | -Defense |
| 12 | Serious | ---- | ---- |
| 13 | Jolly | +Speed | -Special Attack |
| 14 | Naive | +Speed | -Special Defense |
| 15 | Modest | +Special Attack | -Attack |
| 16 | Mild | +Special Attack | -Defense |
| 17 | Quiet | +Special Attack | -Speed |
| 18 | Bashful | ---- | ---- |
| 19 | Rash | +Special Attack | -Special Defense |
| 20 | Calm | +Special Defense | -Attack |
| 21 | Gentle | +Special Defense | -Defense |
| 22 | Sassy | +Special Defense | -Speed |
| 23 | Careful | +Special Defense | -Special Attack |
| 24 | Quirky | ---- | ---- |
A Pokémon with a Bashful, Docile, Hardy, Quirky, or Serious nature doesn’t experience any special increase or decrease in a particular stat.