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