Normal: Unseen forces guide his weapons to its target.

During the turn after speaking this utterance, the target rolls the first attack roll twice and takes the better result. While concentrating on the effect, the target takes a bonus to attack rolls equal to half your caster level.

Reverse: Unseen forces nudge your target's blows off course, impeding his ability to strike.

During the turn after speaking this utterance, the target rolls the first attack roll twice and takes the worse result. While concentrating on the effect, the creature takes a penalty to attack rolls equal to half your caster level.