How did the concept of the hero's journey evolve across different mythologies worldwide?

The hero's journey, or monomyth, is a narrative template involving a hero who embarks on an adventure, encounters trials, and returns home transformed. This cyclical journey is central to many mythologies, but its specifics can vary significantly across cultures. From the epic tales of Greek heroes like Odysseus, through the Norse sagas of heroes such as Sigurd, to the intricate and allegorical journeys found in Hindu epics like the Ramayana, each culture molds this narrative to echo its unique values and challenges. Exploring how the hero's journey differs—and what remains consistent—across these mythologies provides insight into the shared human experience and the diverse ways societies have historically understood heroism. What cultural variations can we observe in these myths, and how have they contributed to the modern understanding of the hero archetype?