I know the title for this blog is something more for Halloween, but I don't think I can wait that long to blog about this. The title mainly refers to the villains that are always needed in a big story. Although no one ever seems to like a villain in the story, they are needed because without them there are no challenges for the characters to overcome. In every book that exists, there will exist some form of villain.
A villain is usually characterized as someone who does evil deeds to obtain their goals. They could range from kidnapping babies to usurping a throne. They usually believe themselves to be so powerful that no one would dare to oppose them. However, that's usually when the hero comes in to save the day. The villain throws everything they can to stop the hero(s) but end up failing miserably (and most of the time lose their lives).
Villains can have an assortment of weapons and powers at their disposal. Some villains are mainly wicked wizards and witches who use spells to control people and to try and destroy the hero. Other villains may have an arsenal of advance weapons for their use. There are even villains who don't have anything special, but are willing to do what they can to hurt others. Most of the time the villain will have a minion to boss (or bully) around. No matter what, it's quite established that villains will do anything to keep people from opposing them.
Villains have been appearing in the world of literature for years. It could be that they're representing the opposition that many people encounter in life, and the hero triumphing over the villain can be seen as people overcoming the opposition. Whatever the reason, one thing is quite clear: we can expect to see more villains appear in stories for a long time, and that they won't seem to get the message that good will triumph over evil in the end.