Board Thread:Questions and Answers/@comment-27810039-20160217103443/@comment-24152851-20160218045842

Magic is just a word used to describe an ability to do things which cannot be explained by science. What AF did was define what that word meant in the Ben 10 universe.

As to the difference in her powers after the timeskip, I think that's all a part of her growing up, with her anodite powers developing alongside her. It's like learning how to walk, in OS she was just starting to learn, but in AF it comes to her naturally.