Shared Resolve Feature 15
You and your eidolon steel your mind together against effects that threaten you, each protecting the others' minds from danger. Your and your eidolon's proficiency ranks for Will saves increase to master. When you roll a success on a Will save, you get a critical success instead. When your eidolon rolls a success on a Will save, it gets 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.
SummonerThis indicates abilities from the Summoner class.