The hero's journey, or monomyth, is a well-known template for story design. Popularized by Joseph Campbell in his book The Hero With A Thousand Faces, it is a collection of stages that a hero goes through in order to obtain a goal, and hopefully transform in the process… The hero's journey is an analytical expression of what we often see as "just good storytelling," so it makes sense that elements of it would appear in the most engaging or award-winning ads produced today, even if creators are using it unintentionally.