Shinryu

Shinryu is a dragon who's very resurrection dragon means the end of the world, Shinryu is very void itself and awakened to the true power of Senkokoura. It is said that he twice almost ruined Rikyu but closed away by Senkokoura and shin-saber. He was reawakened by Kohei Toki but when the true power of Senkokoura where he reluctantly revealed released a seal on Shinryu. He was defeated by Reiji Ozora when Hikaru Himuro arrived with a shin-saber fusion of Senkokoura arms and they once again sealed Shinryu away.