Ensure her turn is rooted in a goal the reader can understand, even if they disagree with her methods. Perverted Virtue:
The shattered halo is harder to fix than a broken shield. And that fragility—that terrifying possibility that goodness is a choice, not a given—is why the remains the most compelling villain origin story of our time. superheroine turned evil
Sometimes, the sheer magnitude of a heroine's abilities becomes too much to handle. The Dark Phoenix saga is the definitive example, where Jean Grey’s cosmic power eventually consumes her morality, turning her into a world-ending threat. Ensure her turn is rooted in a goal
In the past 168 hours, she has: