Warlock Utility Cloud Sight
You draw power from the dying that allows you to exert your will over the minds of other creatures, confusing their perceptions.
At-Will Arcane, Shadow
Free Action Close burst 5
Trigger: You reduce a creature to 0 hit points, or an enemy adjacent to you drops to 0 hit points.
Target: One creature in the burst
Effect: The target takes a -5 penalty to attack rolls made against you until the end of your next turn.
Special: You can use this power only once per round.
Published in Dragon Magazine 406.