Superwomen are awesome. Size changing is awesome. Together they're incredible.  The supreme power of the superwoman made even more extreme by the size difference.  I also like these types of "corruption" or "descent into evil" stories, especially when the heroine is technically not doing it herself.  It seems that glowing rock from the first chapter had a little side effect, turning the super heroine into a super villain.  And she's still getting stronger!

I guess I like the betrayal aspect of it, like "she's supposed to be a hero! Why is she doing this?" Or something like that.  The fact that everyone knew she was super when she was good and now realizing that there's nothing they can actually do to stop her now that she's bad is great.  I've read a comic "The Amazing Eighth Wonder" that did this too.

I wonder if you will have Violet eventually be cured/come to her senses and realize what she's done?  Keep up the great work!