When you dodge an attack of opportunity, you can confuse your would-be assailant.

Prerequisite(s): Dex and Cha 13, Dodge, 1st-level Arcane Trickster

Benefit: When an opponent makes an attack of opportunity against you and misses, you may cause the attacker to become confused for a number of rounds equal to your Charisma modifier (minimum 1). Your caster level for this effect is equal to your caster level. You may use this effect a number of times per day equal to your arcane trickster level.