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Various actions, other than attacking or making a save, still require the creature to make an attempt that may fail. The creature rolls a d20, and adds its [[#Ability Score Modifier|Ability Score Modifier]] and possibly a [[#Proficiency Bonus|Proficiency Bonus]]. The attempted action has a specific [[Difficulty Class]] which the result of the roll must match or exceed. | Various actions, other than attacking or making a save, still require the creature to make an attempt that may fail. The creature rolls a d20, and adds its [[#Ability Score Modifier|Ability Score Modifier]] and possibly a [[#Proficiency Bonus|Proficiency Bonus]]. The attempted action has a specific [[Difficulty Class]] which the result of the roll must match or exceed. | ||
Ability Checks can be based purely on an [[Ability Score]], in which case they can only benefit from the Ability Score Modifier, but not any Proficiency Bonus. More commonly however, the check will be related to a specific [[Skill]], which not only determines the Ability Score used for the Modifier, but also lets the creature use its Proficiency Bonus if it happens to be Proficient in that particular Skill. | Ability Checks can be based purely on an [[Ability Score]], in which case they can only benefit from the Ability Score Modifier, but not any Proficiency Bonus. More commonly however, the check will be related to a specific [[Skill]], which not only determines the Ability Score used for the Modifier, but also lets the creature use its Proficiency Bonus if it happens to be Proficient in that particular Skill. In this case the check may be called a Skill Check rather than an Ability Check. | ||
For example, when a trap is near a creature, the game rolls a Perception Check to determine whether the creature notices the existence of the trap. (This is not to be confused with making a Saving Throw after the trap is activated.) Perception is based on Wisdom, so a creature with a high Wisdom score will gain a bonus. If the creature doesn't gain any bonus from Wisdom, it could still gain a bonus from being Proficient in the Perception Skill. If the creature both has high Wisdom and is also proficient in Perception, it will gain both bonuses. | For example, when a trap is near a creature, the game rolls a Perception Skill Check (or Perception Check for short) to determine whether the creature notices the existence of the trap. (This is not to be confused with making a Saving Throw after the trap is activated.) Perception is based on Wisdom, so a creature with a high Wisdom score will gain a bonus. If the creature doesn't gain any bonus from Wisdom, it could still gain a bonus from being Proficient in the Perception Skill. If the creature both has high Wisdom and is also proficient in Perception, it will gain both bonuses. | ||
Once a trap is seen, the creature may want to disarm it. This will require a Sleight of Hand Check, which is based on Dexterity. So, a creature that both has high Dexterity, and Proficiency in Sleight of Hand, can benefit from both types of bonuses when attempting to disarm the trap. | |||
Following is a table categorizing the various Skills based on the Ability Score which they use for the Ability Score Modifier. | Following is a table categorizing the various Skills based on the Ability Score which they use for the Ability Score Modifier. | ||
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==== For Ability Checks ==== | ==== For Ability Checks ==== | ||
An Ability Check may be based directly on an Ability Score rather than a Skill, in which case no Proficiency Bonus is possible. If it's based on a Skill however, you can get a Proficiency Bonus by being Proficient in that Skill: | |||
* Athletics | * Athletics | ||
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* Performance | * Performance | ||
* Persuasion | * Persuasion | ||