Greater Shield Ally (Su)
At 12th level, whenever an ally is within reach of the summoner’s eidolon, the ally gains a +2 shield bonus to its Armor Class and a +2 circumstance bonus on its saving throws. If this ally is the summoner, these bonuses increase to +4. This bonus does not apply if the eidolon is grappled, helpless, paralyzed, stunned, or unconscious.
