There are really seven main characters; Percy, Annabeth, Jason, Piper, Frank, Hazel, and Leo. During the whole story Percy and Annabeth are stuck in Tartarus, which changes them forever. They become closer to each other, and Tartarus is such a scary place, that they will be mentally scarred for life. In the story it says “He wondered how Nico had survived down here alone without going insane.” This means that Tartarus can make a person go insane, and that Percy and Annabeth a amazed that Nico, who had survived Tartarus without anyone, is still alive and doing fine. Throughout the story Jason doesn’t change physically, more mentally. At the beginning of the book he is a Roman, but due to the time he spent in Camp Half-Blood, he changes to Greek. In the book it says “In that moment he chose Greek. He threw in his lot with Camp Half-Blood…” This means that at that very moment he decided that he no longer is ROman, he is Greek. Piper changed more mentally, than physically. Throughout the story she learned what love really is. She defeated Khione using love, and she powered on Festus, Leo’s mechanic dragon, using love. Frank changed a lot in the story. He learned how to control his mind. When Mars, and Ares are fighting in his head, he tells them to stop. He also changed after he defeated all the katobleps in Venice. In the book it says “Frank was taller. His gut had shrunk. His chest seemed bulkier.” Hazel had changed mentally throughout the story. She had learned how to use the Mist. She could manipulate other’s minds. Leo had also changed mentally because he had met his first love, Calypso. They had fallen in love, but Leo had to leave. Leo had promised Calypso that he would come back for her.
The main idea of the text is for Leo, Jason, Piper, Frank, Hazel, and Couch Hedge to get Percy and Annabeth out of Tartarus...