What is a ability score improvement?

Ability score improvements are the way your character boosts their ability scores throughout a campaign. These improvements can help you increase your primary ability score, round out some odd scores from character creation, or give you new options to use with feats.

How do you improve your ability score?

How Are Ability Scores Improved?

• Improve an ability score by two – you can choose a single ability score, such as charisma, and increase it by 2 points. …
• Improve two ability scores by one – you can assign two ability scores, such as charisma and constitution, by one.