Armor Mastery Feature 13
Your skill with armor improves, helping you avoid more blows. Your proficiency ranks for light, medium, and heavy armor, as well as for unarmored defense, increase to master.
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.