Mysterious organizations in novels were usually fictional and only existed in the plot of the novel. In reality, there was no such thing as a mysterious organization on Earth. These fictional organizations often appeared in the plot of the novel to promote the development of the story and the development of the characters. They have a unique organizational structure, goals, and plans, and often have extraordinary abilities and strength to do incredible things. However, these organizations were all fictional. Their existence and activities only existed in the plot of the novel.