Will your story’s villain learn the error of his or her ways or will he or she remain unrepentant to the end?
This can be determined largely by how much impact his or her reformation will have on the main characters in your story.
In my novel The Other Tommy, I have a number of antagonists, most who are in no way reformed by the story’s end. In fact, only one of them shows any sign of changing his attitude or behavior toward the persons he’s wounded.
Real-life villains rarely see themselves in the roles they are playing. More often than not, they see themselves as the VICTIMS of your hero or heroine.
Consider carefully before changing the bad guy’s horns to a halo. It may be unrealistic and ultimately disappointing to your readers.by