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Dueling Parry (Swashbuckler) 
Feat 1
Source Pathfinder Advanced Player's Guide
Requirements You are wielding only a single one-handed melee weapon and have your other hand or hands free.
You can parry attacks against you with your one-handed weapon. You gain a +2 circumstance bonus to AC until the start of your next turn as long as you continue to meet the requirements.
Grants Effect: Dueling Parry
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.
SwashbucklerThis indicates abilities from the Swashbuckler class.