Shadow Imitation Circle

This is a common ninjutsu used by members of the Nara clan, in this technique, the user turns his shadow into a circle which is placed on the ground in the place of his shadow, the size of the circle can be determined by the user, but it differs from one user to another. The maximum size that was reached is a circle with a ten meter radius and this was achieved by only masters of this technique. Any one who steps in this circle will be under the effect of the Shadow Imitation Technique.