that the final Harry Potter movie,
Harry Potter and the Deathly Hallows: Part 2,
has been rated PG-13 for the following reasons:
"...some sequences of intense action violence,
and frightening images."
This, I don't think, comes as a surprise whatsoever.
With the constant action violence and battle sequences,
it feels only right that the final Harry Potter film goes all-out
and gets a PG-13 label.
It would feel cheap if they cut back on all the great action/battle scenes
from the book, just to fit it all into a PG movie.
Now they can have a lot of liberty with the violence
from the final battle, So a PG-13 rating will be just fine.