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Chapter 3: Classes / Reading Class Entries / Class Features

Ability Boosts

Source Core Rulebook pg. 68 2.0
At 5th level and every 5 levels thereafter, your character boosts four different ability scores. Your character can use these ability boosts to increase their ability scores above 18. Boosting an ability score increases it by 1 if it’s already 18 or above, or by 2 if it starts out below 18. For more about ability boosts and applying them during character creation, see here.