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Ability score modifier: Difference between revisions
(added some info about how modifiers are calculated & how to interpret this in gameplay terms) |
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An '''ability score modifier''' is a modifier added to [[Dice rolls|dice rolls]], derived from its respective [[Ability score|ability score]]. | |||
An ''' | |||
For example, Strength modifiers are derived from the creature's Strength score. | |||
== Mechanical applications == | |||
=== Attack rolls === | |||
During [[Attack Roll]]s with [[Weapons]], the attacking creature's Strength or Dexterity will be used to determine the Modifier. See the linked Attack Roll and Weapon pages for details. | During [[Attack Roll]]s with [[Weapons]], the attacking creature's Strength or Dexterity will be used to determine the Modifier. See the linked Attack Roll and Weapon pages for details. | ||
For a spell that uses an Attack Roll, the Ability Score to be used depends on the [[Class]] of the creature casting the spell. For example, a Wizard uses Intelligence, a Cleric uses Wisdom, and a Sorcerer uses Charisma. See the Attack Roll page for details. | For a spell that uses an Attack Roll, the Ability Score to be used depends on the [[Class]] of the creature casting the spell. For example, a Wizard uses Intelligence, a Cleric uses Wisdom, and a Sorcerer uses Charisma. See the Attack Roll page for details. | ||
== Damage Roll === | |||
For [[Damage Roll]]s made with [[Weapons]], the exact same rules apply as for the Attack Roll. | For [[Damage Roll]]s made with [[Weapons]], the exact same rules apply as for the Attack Roll. | ||
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=== Saving Throw === | === Saving Throw === | ||
Each [[Saving Throw]] is tied to a certain [[Ability Score]], which determines its type, such as Strength Saving Throw, Dexterity Saving Throw, and so on, which determines the Ability Score Modifier that will be used. | Each [[Saving Throw]] is tied to a certain [[Ability Score]], which determines its type, such as Strength Saving Throw, Dexterity Saving Throw, and so on, which determines the Ability Score Modifier that will be used. | ||
Revision as of 19:38, 27 October 2023
An ability score modifier is a modifier added to dice rolls, derived from its respective ability score.
For example, Strength modifiers are derived from the creature's Strength score.
Mechanical applications
Attack rolls
During Attack Rolls with Weapons, the attacking creature's Strength or Dexterity will be used to determine the Modifier. See the linked Attack Roll and Weapon pages for details.
For a spell that uses an Attack Roll, the Ability Score to be used depends on the Class of the creature casting the spell. For example, a Wizard uses Intelligence, a Cleric uses Wisdom, and a Sorcerer uses Charisma. See the Attack Roll page for details.
Damage Roll =
For Damage Rolls made with Weapons, the exact same rules apply as for the Attack Roll.
For spells, the Ability Score Modifier is normally not used, though there are exceptions. For example, the class feature Agonising Blast allows a Warlock to add their Charisma Modifier to the damage of Eldritch Blast; and the spell Shillelagh imbues a weapon with magic, such that it benefits from the wielder's Wisdom Modifier.
Saving Throw
Each Saving Throw is tied to a certain Ability Score, which determines its type, such as Strength Saving Throw, Dexterity Saving Throw, and so on, which determines the Ability Score Modifier that will be used.
Ability Check
The Ability Check is similar to the Saving Throw in that it's categorized based on the Ability Score used. (The clue is in the name.)
A special type of Ability Check is the Skill Check, where a specific skill like Athletics, Perception, Sleight of Hand, etc. is used, but each Skill maps to a corresponding Ability Score, so the Ability Score Modifier still applies. For example, Athletics is based on Strength, whereas Sleight of Hand is based on Dexterity.
Value
Following is the table for the Ability Score Modifier value based on how high the corresponding Ability Score of a creature is:
Ability score | Modifier value | Ability score | Modifier value | |
---|---|---|---|---|
1 | -5 | 16-17 | +3 | |
2-3 | -4 | 18-19 | +4 | |
4-5 | -3 | 20-21 | +5 | |
6-7 | -2 | 22-23 | +6 | |
8-9 | -1 | 24-25 | +7 | |
10-11 | +0 | 26-27 | +8 | |
12-13 | +1 | 28-29 | +9 | |
14-15 | +2 | 30 | +10 |