Sou Gen

Sou Gen (蒼 玄)was the founder and first Emperor of Saiunkoku. Known as the warrior who drove away all the demons that infested the country, he was said to be a ruler worthy of the service of the Eight Coloured Sages.

Personality and Characteristics
He was known as a ruthless king much like Shi Senka. His personality resembles Senka's so much that people called Senka the reincarnation of Sou Gen

Plot
History tells of Sou Gen as the warrior who had saved the demon-infested Saiunkoku with the help of the Eight Immortals and his younger sister, Sou Youki. He later conquered the Banri Mountain range, the highest peak in Saiunkoku, which he bestowed upon his sister to found the Hyou Clan.