Nirvana in Fire was a novel with history as its background. Its plot and character were influenced by historical factors. However, the creation of novels is often not limited to a specific historical background and level of knowledge, so there may be some fiction and exaggeration in the details and historical facts. Even though Nirvana in Fire had put in a lot of effort into character creation, plot setting, and worldview construction, it wasn't a very rigorous novel. There might be some inaccuracy in the historical details, such as some misunderstandings or incomplete information in the description of certain historical events. Of course, this didn't mean that the Nirvana in Fire Board lacked the pursuit of historical authenticity. The author of a novel would usually try his best to maintain the connection between the plot and the characters and history, and if possible, make necessary verification and clarification. Therefore, although Nirvana in Fire was not a very rigorous novel, it was still a work full of history and imagination.