Each ability has a score from 1 to 20, although some monsters have a score as high as 30. The score represents the magnitude of an ability. The Ability Scores table summarizes what the scores mean.
| Score | Meaning |
|---|---|
| 1 | This is the lowest a score can normally go. If an effect reduces a score to 0, that effect explains what happens. |
| 2–9 | This represents a weak capability. |
| 10–11 | This represents the human average. |
| 12–19 | This represents a strong capability. |
| 20 | This is the highest an adventurer’s score can go unless a feature says otherwise. |
| 21–29 | This represents an extraordinary capability. |
| 30 | This is the highest a score can go. |