Everyone who's interested in how stories are made is bound to have heard the term "the Hero's Journey." Also known as the monomyth, it's a story archetype coined and popularized by Joseph Campbell in the mid-1900s when he noticed that heroes in myths typically go through the same 17 stages in their journey, from the call to adventure that gets the character out of their comfort zone, to the freedom to live found at the end of the ordeals in their adventure.