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How Do Ability Scores Impact Character Proficiency in D&D?
I am new to D&D tabletop and have been playing BG3, but want to better understand character creation process without the game handling everything for me. I get that ability scores are important for determining a character’s proficiency in various skills. Can someone explain how these scores specifically impact my character’s abilities in the game, and how should I prioritize them based on my chosen class?
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It’s essential to prioritize ability scores based on your chosen class. For example, a rogue would benefit from a high Dexterity score for stealth and agility, while a cleric would benefit from a high Wisdom score for spellcasting and insight.
Additionally, ability scores also affect other game mechanics like saving throws and skill checks. Having balanced scores or scores tailored to your character’s role can significantly enhance your gameplay experience.
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Just for clarification, here is a quick explanation of the six Ability Scores:
- Strength: Determines the character’s physical power, allowing them to perform feats like lifting heavy objects, breaking down doors, or dealing damage with melee weapons.
- Dexterity: Reflects agility, reflexes, and balance which is crucial for actions like dodging attacks, moving stealthily, or hitting with ranged weapons.
- Constitution: Represents the character’s health and stamina. A high Constitution increases hit points (HP), making characters more resilient to damage.
- Intelligence: Reflects how well a character can learn and reason, which is essential for wizards who cast spells based on knowledge.
- Wisdom: Indicates intuition and perceptiveness. It’s crucial for classes like clerics and druids, influencing their ability to cast certain spells and perceive the environment.
- Charisma: Represents force of personality, persuasiveness, and leadership. It’s essential for classes like bards and sorcerers, affecting their spellcasting ability and interactions with others.
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D&D Ability score tell us how proficient a character is in a particular ability. They are derived by subtracting 10 from the ability score, then dividing the result by 2, rounding down if necessary.
The formula is: Modifier = (Ability Score – 10) / 2.
Example Scenario 1: Character A has a Strength score of 16, therefore an Ability Modifier of +3.
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Modifier = (16 – 10) / 2
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Modifier = (6) / 2
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Modifier = +3
Example Scenario 2: Character B has a Dexterity score of 9, therefore an Ability Modifier of -1.
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Modifier = (9 – 10) / 2
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Modifier = (-1) / 2 = -0.5
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Modifier = -1 (0.5 rounded down)
These modifiers are then used in gameplay for various checks, such as attack rolls, saving throws, and skill checks, adding or subtracting from the dice roll based on the modifier.
For example, let’s say character A is a Fighter class as they would have invented most of their Ability points into Strength and character B is a Sorcerer with a very low Dexterity score due to Clerics investing their Ability points into Wisdom instead.
In a typical D&D dungeon fight the following would play out:
Attack Rolls (when attacking)
When Fighter attempts to hit an opponent with a sword, they would add +3 to their roll:
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Attack Roll = d20 +3(Strength Modifier) +Proficiency Bonus (if proficient with the sword).
For example: the Fighter locks eyes with a malicious goblin. He swings his sword with a fierce strike. Rolling a 12 on his d20, his total attack roll computes to 12 +3(Strength Modifier) +2(Proficiency Bonus) = 17.
As the Goblin has an Armor Class (AC) of 15, it would successfully cleave through the Goblin’s armor and land a damaging hit.
Armor Class (when being attacked)
If the Sorcerer is trying to dodge an attack, their lower Dexterity modifier would actually reduce their Armor Class (AC) below the base of 10:
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AC = 10 +(−1 Dexterity Modifier) + Armor Bonus.
For example: after the Fighter’s turn, the Sorcerer faces a ghastly ghoul that snuck up behind her from a crevice in the cave walls. Due to her class, she isn’t proficient in any armor types, and thus cannot wear any armor other than cloth (which has a 0 AC contribution), combined with her low Dexterity score, she is very susceptible to being hit in this situation.
The ghoul lunges at her, rolling a 15 on its attack. We then calculate her AC from base 10 + (−1 Dexterity Modifier) + (0 Armor Bonus) = 9, which is far lower than the 15 roll from the ghoul, therefore it lands a painful blow to her.
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Yes correct – the chance to hit (using the d20), not the actual damage itself.
Once the attack roll succeeds (i.e. rolls higher than the opponents AC), the next roll comes into play, being the Damage Roll.
The damage roll generally consists of rolling a specific type of die (or dice) as indicated by the weapon or spell being used. This is usually like a d8 (8 sided dice).
The formula for a basic damage roll is: Damage = Dice Roll + Ability Modifier + Other Modifiers.
For example, the fighter hitting the goblin using something like a longsword will need to roll a d8 after the d20 roll succeeds to dictate how much damage will be applied to the Goblin’s Hit Points (HP).
For melee weapons, the Strength modifier is usually added to the damage, and for ranged weapons, the Dexterity modifier is typically used. (Note that some class features or feats might allow a character to use different ability modifiers for damage rolls, or add additional bonuses).
So in this case, the Fighter’s Ability Modifier (being +3 Strength) is also applied during the Damage Roll (in the same way as the Attack Roll with the d20). So if he were to roll a 6 using the d8 roll, he would do:
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6 (from the d8 roll) +3(STR modifier) = 9 damage to the goblin’s Hit Points.
Other Modifiers: Some classes and feats allow characters to add additional modifiers to damage rolls, or use alternative ability modifiers. For instance, a Rogue’s Sneak Attack feature allows for extra damage, and the Finesse property on some weapons allows the user to choose between using Strength or Dexterity (whichever is the highest) for both attack and damage rolls.
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No, the Proficiency Bonus is not typically added to the damage roll in the same way it is added to the Attack roll.
The Proficiency Bonus represents your character’s training and expertise with certain kinds of actions, and while it helps to make you more likely to succeed in hitting a target (hence its addition to the attack roll), it doesn’t increase the amount of damage you deal once you hit.
The standard formula for a damage roll is:
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Damage = Dice Roll + Ability Modifier
Here are the elements broken down:
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Dice Roll: This is determined by the weapon or spell being used. For example, a longsword deals 1d8 slashing damage.
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Ability Modifier: For melee weapon attacks, the Strength modifier is added to the damage. For ranged weapon attacks, the Dexterity modifier is usually added. Some weapons have the “Finesse” property, allowing the wielder to use either Strength or Dexterity.
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