What exactly did she do, to be the enemy of the world. Did she wipe out a country or two and I missed that or something. She doesn't seem to just go out and slaughter. She's way more fun than most of the other boring psychos. But for f*k's sake this should be called Flashback, as whatever superhero has the power of flashbacks is clearly the strongest.
Read Cursed Princess Club, it's finished and fantastic.