Such language you use for a Bible loving Christian.
Before they were movies, they were books. And the movies leave a lot out. But if you want more Bible for your kids, there's no reason they can't have both.
The Bible speaks of concepts such as Honor, Duty, Love, Friendship & Family; standing up for those who cannot; protecting the weak; the battle between good and evil.
Oddly enough, so do the Potter books. They stand out quite well.
As I think I might have mentioned to you before; if you were to read the books with your child and weave those lessons into the ones from other sources, you might come out all right.
Lets put it this way-— I have a low opinion of the Potter movies and books. If your child is exposed to them then a very strong counter balance of conventional religious education is needed. This looks like your situation
But for too many children they get the Potter but no Moses or Jesus and no bible stories for children