By giving her a fairy tale-like quality, Coleridge easily portrayed her as being very sheltered from the knowledge of evil. In the story, Geraldine is a witch and by using this fairy tale motif, Coleridge makes her into an even more evil character. The reader sees that not only does she cast spells, but she also robs Cristabel of her innocence. One reoccurring idea is the overcoming of obstacles. For fairy tale characters in a predicament, there always seems to be a way out.
Supernatural issues are very common in fairy tales too.
Some popular stories include spells casts, wishes granted, and magical beans. Another common occurence in a fairy tale is good people doing something without thinking and it gets them into trouble. She ends up getting into trouble that she didn't anticipate. She ends up losing her innocence and her father because of the bad decision she made.