Key elements defining the essence of the hero's journey globally include a call to adventure, the presence of mentors, trials, and eventual return or transformation. This archetype highlights the challenges heroes face to achieve growth and understanding. Myths, from Hercules to Frodo Baggins, reflect universal motifs of struggle, sacrifice, and self-discovery. These narratives often illustrate the protagonist's quest for purpose, overcoming obstacles, gaining wisdom, and making difficult choices, thus serving as a source of inspiration and a reflection of human resilience in the pursuit of personal goals.