Confusing Blather
Bluff Utility 6
You spew a stream of nonsense. leaving your enemies puzzled.
Close Burst 1
Target: Each enemy in burst
Effect: You make a Bluff check opposed by each target's passive Insight check. If the check succeeds against a target, that target cannot make opportunity attacks against you until the end of your next turn.
Confusing Blather is an encounter power available to characters who are trained in bluff at sixth level.[PH3:166]