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From Pathfinder Battlecry!, which isn't enabled.

Aldori Riposte

FEAT 6
ARCHETYPE
Activity reaction
Archetype Aldori Duelist
Prerequisites Aldori Parry
Trigger An opponent within your reach critically fails a Strike against you.
Requirements You are using an Aldori Dueling Sword to parry.

You riposte with your Aldori dueling sword when your enemy leaves an opening. Make a melee Strike against or attempt to Disarm the triggering opponent using your Aldori dueling sword.

Pathfinder Battlecry!ORC