Aside from magic, mystical realms, and monsters, this genre is also most remembered because of its "mythological" structures and the monomyth of the hero's journey. As Joseph Campbell pointed out in his Hero with a Thousand Faces, there are often specific archetypes (or symbols/motifs) that arise in this type of literature. In addition to this, the hero in these works of fiction are often called to experience some form of quest where he/she needs to not only reach a goal (or boon), but also develops and learns about him/herself as a character.