Battle Through the Heavens was a fantasy novel with the theme of cultivation and combat. It mainly told the story of the protagonist, the Nine Darkness Demon Emperor, fighting against the evil forces. The story began with a young man named Xiao Yan. He was born with a strong spiritual energy but was abandoned by his family. Xiao Yan's father was the eldest disciple of the Xiao Gate, but because he had violated the clan's rules, he was betrayed and expelled from the Xiao Gate. Xiao Yan's mother was also a practitioner but had left the Xiao clan for some reason. Xiao Yan had encountered many difficulties and challenges during his growth. He had accidentally obtained an ancient scroll called " Heavenly Silkworm Potato ". This book could give the holder powerful spiritual power and help them cultivate. Xiao Yan had encountered the Nine Darkness Demon Emperor and the Demon King during his training and began an intense battle. The Nine Darkness Demonic Emperor was the representative of the evil forces. He wanted to rule the entire world and achieve his goal at all costs. During the battle, Xiao Yan gradually discovered the Nine Darkness Demon Emperor's weakness. He finally defeated the Nine Darkness Demon Emperor through continuous hard work. At the end of the story, Xiao Yan became a powerful cultivator and helped other young men and women cultivate to maintain world peace.