Eidolon Defensive Mastery Feature 19
Your eidolon's form becomes particularly difficult to assail. Its proficiency rank for unarmored defense increases 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.
SummonerThis indicates abilities from the Summoner class.