What is a common theme explored in fiction?

Good vs. evil is a prevalent theme in fiction because it encapsulates a fundamental struggle that resonates widely with readers, allowing for exploration of moral dilemmas, character motivations, and the complexity of human nature. This theme often serves as a backdrop for character development and plot progression, enabling authors to delve into the consequences of choices and the nature of morality. The conflict of good versus evil is not just about the opposing forces, but also reflects the internal conflicts within characters, offering insights into their motivations and the societal implications of their actions. This theme can be found across many genres, making it a versatile and compelling framework for storytelling that captures the human experience.