Mirror Image is a Daily power available to Wizards at 10th level.[PH:164]

Mirror Image
Wizard Utility 10

Three duplicate images of you appear, imitating your actions perfectly and confusing your enemies.

Daily ✦ arcane, illusion


Effect: Three duplicate images of yourself appear in your space, and you gain a +6 power bonus to AC. Each time an attack misses you, one of your duplicate images disappears and the bonus granted by this power decreases by 2. When the bonus reaches 0, all your images are gone and the power ends. Otherwise, the effect lasts for 1 hour.