Spiral Seal

Spiral Seal (螺旋印, Rasen In) is a seal created by the Ren branch of the Uzumaki clan. The seal creates a powerful barrier known as the "Spiral Barrier" and it surrounds the extending great distance outward. It is known alongside with the Spiral Barrier as the perfect barriers that cannot be entered by the unwanted. Only if the user is defeated or runs out of chakra will the seal and the barrier be broken against the user's will.