You flash into and out of reality so quickly it is impossible to tell exactly where you are at any given time.
Prerequisites
Dimensional Agility, Dimensional Assault, Dimensional Dervish, base attack bonus +9.
Benefit
While using the Dimensional Dervish feat, you provide flanking from all squares you attack from. Flanking starts from the moment you make an attack until the start of your next turn. You can effectively flank with yourself and with multiple allies when using this feat.