""There's a certain poetic symmetry to the idea that the hero's journey is a circular one, and indeed, returning home for the final showdown is often referred to as "coming full circle." It also reminds the audience (and the hero, who may take a moment to reminisce) how much the hero has grown since the last time we were here."
I love TVTropes.org for this paragraph. Beware, addictive site.
