Resolve Feature 7
You've steeled your mind with resolve. Your proficiency rank for Will saves increases to master. When you roll a success on a Will save, you get a critical success instead.
Traits
Common
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.