Curiosity killed the cat. But what can an unleashed curse do to a pride? ***title may change***

The Powerpuff Girls. They've fought the same villains for years, yet there's one that hasn't been seen or heard from since they were kids; one known as the ultimate evil. Upon finding out what's happened, not only are their duties as heroes questioned, but also their morals and judgment

She was pure innocence. He was pure evil. Yet...they complimented each other so well. She was always told that evil and good could never work. Well, looks like her sister was (once again) wrong.