The figure often depicted as a guardian of the underworld is Hades in Greek mythology. He rules over the realm of the dead, ensuring that souls receive their due place in the afterlife. Hades is often misunderstood, representing not only death but also the wealth hidden beneath the earth. His role highlights the duality of life and death, and despite his fearsome reputation, he maintains order among souls. Hades symbolizes the inevitable journey into the afterlife, reminding humanity of the cycle of existence.