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Ability Score Adjustments

Ability Score Adjustments — BECMI Forge
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Ability Score Adjustments #

Skills-Based BECMI · Modifiers for Scores 2–27

Universal Score Modifier Table #

Applies to STR · DEX · CON · INT · WIS — except where noted

These are the standard adjustments applied to various rolls and numbers throughout the game. A higher ability score produces a bonus that adds to attack rolls, damage, saving throws, and skill checks; a lower score imposes a penalty. Charisma uses its own extended table shown below.

✦ · ✦ · ✦
Score → Modifier
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Intelligence & Dexterity Extended Tables #

Additional modifiers specific to INT and DEX

Intelligence — Language Use #

Literacy and additional languages known
ScoreLanguage & Literacy Ability
3Has trouble speaking, cannot read or write.
4–5Cannot read or write Common.
6–8Can write simple Common words.
9–12Reads and writes native languages (usually two).
13–15Reads and writes native languages, +1 additional language.
16–17Reads and writes native languages, +2 additional languages.
18Reads and writes native languages, +3 additional languages.
19–20Reads and writes native languages, +4 additional languages.
21–23Reads and writes native languages, +5 additional languages.
24–27Reads and writes native languages, +6 additional languages.

Dexterity — Initiative Adjustment #

Modifier to individual initiative rolls
ScoreInitiative Adj.
3−2
4–8−1
9–12No adj.
13–17+1
18–20+2
21–27+3

Dexterity also adjusts missile attack rolls and Armor Class using the Universal Modifier table above.

Charisma affects how NPCs react to the character initially, how many retainers (hirelings) the character can attract, and how loyal those retainers remain. High Charisma leaders can maintain larger and more devoted followings.

Score Reaction Adj. Max Retainers Retainer Morale
Skills-Based BECMI  ·  The Forge  ·  myspicerack.com

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Updated on April 8, 2026