Sailor Pluto require the use of the Garnet Rod, which is shaped like a giant key as a symbol of her stewardship over the Door of Space-Time. In Roman mythology, it is stated that the god Pluto holds a key because "they say that what is called Hades has been locked up by Pluto, and that nobody will return back again therefrom." Natale Conti cites Pausanias in noting that keys are an attribute of Pluto as the scepter is of Jove (Roman Zeus) and the trident of Neptune (Poseidon). The Pluto Crystal is perhaps her most important possession, as it is her
Greek underworld name. Not much is known about her, but she is an ally of Zeus and lives in the underworld. Eurynomos is one of the daemons of the underworld, who eats off all the flesh of the corpses, leaving only their bones. In the Greek underworld, the souls of the dead still existed but they are insubstantial and they flitted around the underworld with no sense of purpose. The dead within the Homeric underworld lack "menos", or strength, and therefore they cannot influence those on earth. They also lack "phrenes", or wit, and are heedless of what goes on around them