This chapter's epigraph is from a poem by the famous poet . The poem is entitled "The Flower Rain Tower," which means "the flower rain of the seven imperial powers." It was written by a poet named . . who was a disciple of the flower-rain-tower. He was a member of the royal court of the Seven Imperials. He used to be a supreme alchemist, which means he was the most powerful man in the kingdom. He also used to have a cape made for him, which he used to disguise himself as his younger brother . When the poem was written, . was a young man. He and his brother vowed to take revenge on their parents, who were both alchemists. Their parents were alchemists, but their father was a man who was supposed to marry a woman from the flower rain-tower and have a child with her. Grandfather recognized their talents, but his brother was not. Grandfather decided to teach the two alchemists personally, but they didn't know it at the time. Grandfather's plan was that they would marry a girl from the Flower-Rain-Tower, and then they would give birth to a child from the next generation. Grandfather wanted to make sure that both of the alchemists were successful, so Grandfather wrote to his brother to break off their relationship. Grandfather also wanted his son to steal the recipe for the antidote to the cloud palm, which Grandfather wanted him to make. Grandfather made the antidote, but it was so strange that it was given to everyone, including his brother and son-in-law . Grandfather thought that