Rules: Make a parry with a penalty of 2, and if successful, make an attack of opportunity against your attacker (see page 237). You must announce that you intend to use this maneuver before the attacker rolls. Once you make a riposte, you cannot make any further defenses during this combat round. You cannot combine a riposte with a basic maneuver.
Penalty: -2 (for the parry)
Prerequisites: AGI 15
Combat Techniques: Daggers, Fencing Weapons
AP Value: 40 adventure points
Publication: Core Rules page 249