Dark Release:Dark Zero

It is a powerful Kinjutsu technically developed by Kaiteiru,as he was the first one to come up with the idea and method.It is the strongest variation of Great Spiralling Ring. It is used by Reigen. A black blasting laser used by Reigen as his ultimate technique, It covers any exposed light in pitch darkness.Also it has the power to absorb any kind of positive or negative chakra around it and hence it grows exponentially in strength and size,it destroyed over half of Konohagakure even after a thousand skilled shinobi's with their best jutsu's tried to stop it.