Mutsugi has been assimilated by the Seducer who aimed to plunge the human realm into chaos once more, becoming a Horror. Channeling her Inga, she altered Gate of Destruction into a more horrifying form. Golden Knight Garo and title-less knight Hagane, finally stand together to face a hopeless threat that will shake the world. Flash Sword Dance and Dark Flash Sword Dance - protectors, pass on the feelings you bet on Hagane to the future.