Creating an atmosphere of despair in a novel is very important. This kind of atmosphere can make the story more interesting and the reader more engaged. To create an atmosphere of despair, the following aspects could be considered: Set up a confusing and helpless background story, such as the protagonist in a strange world or involved in a mysterious conspiracy. 2. Set an irreversible fate for the protagonist, such as the protagonist being chased by a powerful enemy or finding himself trapped in an irreversible trap. 3. emphasize the loneliness and helplessness of the protagonist. For example, the protagonist is isolated and helpless in a desperate situation, and no one can help him. 4. Use negative descriptions such as emphasizing the protagonist's unfortunate experiences or describing the surrounding environment full of danger and fear. Add some mysterious elements to the protagonist, such as the protagonist having some mysterious abilities or encountering a series of mysterious events. 6. Arrange a plot reversal, such as the protagonist who was originally thought to be successful but ultimately failed. Through the above aspects, it can successfully create a desperate atmosphere, making the readers feel more depressed and helpless, and thus more in-depth understanding of the characters and plots in the story.