The CHA (Charisma) attribute of creatures has a direct impact on their chances of scoring critical hits or causing disadvantageous situations.
The effects in combat of critical successes and failures for creatures are the same as for player characters.
The role of charisma in critical hits can be explained by the fact that charismatic individuals have an innate talent for influencing events. Their self-confidence can generate moments of great success (critical success) or, conversely, create disastrous situations (critical failure).
A modifier of negative CHA increases the critical failure threshold in a d20 roll. Here is the corresponding table:
| CHA Value | Critical Failure on d20 |
|---|---|
| -4 | 3 or less |
| -3 or -2 | 2 or less |
| -1 or +0 | 1 |
This means that obtaining a result higher than the usual threshold may become a critical failure. For example, if the critical failure threshold is 1 (a natural result of 1 on a d20), and the CHA is -3, the new critical failure threshold will be 2.
In the presence of a modifier of positive CHA, the critical success threshold in a d20 roll is reduced. Here is the corresponding table:
| CHA Value | Critical Success on d20 |
|---|---|
| +0 or +1 | 20 |
| +2 or +3 | 19 or more |
| +4 or +5 | 18 or more |
| +6 | 17 or more |
This means that a result lower than the standard threshold is required for a critical success. For example, if the typical critical success threshold is 20 (a natural result of 20 on a d20), and the CHA is +4, the new critical success threshold will be 18.