* Foreshadowing: There are many instances of foreshadowing in the book. For example, the reader is given clues about the true identity of the Elf King early on.
* Allusion: The book makes allusions to many other works of literature, including Shakespeare's plays and the Arthurian legends.
* Imagery: The book uses vivid imagery to create a strong sense of atmosphere and place.
* Theme: The book explores themes of love, friendship, and the power of good over evil.