In the book Annabeth and Percy are 12, but in the movie they are in their teens.
in the book Annabeth has curly blonde hair and in the movie it's straight and dark.
in the book Clarisse was the camp bully but she doesn't appear in the movie
The Hydra does not make an appearance in the book but it does in the movie
Ares has a main role in the book but only appears once in the movie
here are just a few
The definition of ardor is a way of feeling or acting that is energetic and exciting.
An example of ardor is a passionate speech.
-It was widely believed that tomatoes would incite ardor in those who consumed them
-I could not take my gaze off that beautiful face, which was all aflame with the ardor of love.