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Chapter 8: Tactical Rules / Combat Basics

Ability Checks

Source Starfinder Core Rulebook pg. 242
Sometimes a situation will call for you to attempt an ability check: a Strength check, a Dexterity check, a Constitution check, an Intelligence check, a Wisdom check, or a Charisma check. In this case, simply roll a d20 and add the modifier for that associated ability score. It’s possible for an ability score modifier to be negative. In this case, subtract that amount from your d20 roll.