* Magical Elements: The story features magic, mythical creatures, and supernatural powers. Percy discovers he's a demigod, the son of Poseidon, and gains powers like controlling water and talking to sea creatures.
* Mythological Setting: The story is set in a world where Greek myths are real, with gods and monsters coexisting with humans. Characters visit Camp Half-Blood, a training ground for demigods, and encounter figures like Zeus, Hades, and Medusa.
* Supernatural Conflicts: The main conflict revolves around Percy being wrongly accused of stealing Zeus' lightning bolt, a divine object with immense power. This leads to him embarking on a quest to clear his name and prevent a war between the gods.
* Imaginary World: The story presents a fantastical version of our world, where the everyday is infused with magic and adventure.
* Themes of Good vs. Evil: The story explores themes of heroism, bravery, and the struggle between good and evil, classic elements of fantasy literature.
While the story has realistic elements, like friendship and coming-of-age, the inclusion of magic, gods, and mythical creatures firmly establishes it as a fantasy novel. It's a captivating blend of mythology and contemporary life that appeals to both young readers and those who enjoy fantasy adventures.