It's hard to say. The novel's description of mental illness could be influenced by the author's creativity rather than strict medical facts. There might be some elements that are fictionalized for the sake of the story.
I'm not entirely sure specifically what 'delivery the beast within based on a true story' is about without more context. It could potentially be a book, movie, or some other form of media that involves a true - story - based exploration of some sort of 'beast within' concept, perhaps related to human nature or a specific event.
The first chapter of " The Cottage " mainly told the story of a little boy named Li Ang. He grew up in a remote village and experienced many difficulties and challenges. However, through his own efforts and the spirit of not giving up, he finally overcame all the difficulties and became an outstanding young man.
I'm not entirely sure if 'delivery the beast within real story' is a specific well - known book or movie. It could potentially be a self - published or very niche piece. If it's about a 'beast within', it might be a story that delves into the darker, more primal aspects of human nature, perhaps exploring themes like suppressed emotions or hidden vices.