GARO: Gold Storm Flight is a film that follows Ryūga Dōgai after the events of The One Who Shines in the Darkness. It also serves as an introduction to the series of the same name.
Long ago, Makai Priest Sōtatsu created a powerful madogu, Agō, to help him achieve his dream of having a world without Horrors. A sentient humanoid samurai, Agō, is a powerful anti-Horror weapon that shares the same sentiment with his creator.
GARO: Gold Storm Flight
While pursuing a traveling group of powerful Horrors, Sōtatsu was mortally wounded by Mad Horror Degor and Agō was critically damaged after defeating the beast. As Agō looked after his dying creator, the two witnessed the appearance of Garo and Sōtatsu entrusted his failed dream to the Golden Knight.
GARO: Gold Storm Flight – The Movie 2015
Not long after, Sōtatsu died, without a master to guide Agō, the weapon wandered into a desert wasteland and went into long term stasis, where he laid in pondering stasis until he was revived in modern times.
GARO: Gold Storm Flight – The Movie