Greek underworld are the unburied which can't be taken across from bank to bank until they receive a proper burial. Across the river, guarding the gates of the underworld is Cerberus. There is also an area where the Judges of the underworld decide where to send the souls of the person — to Elysium, the Fields of Asphodel, or Tartarus. While Tartarus is not considered to be directly a part of the underworld, it is described as being as far beneath the underworld as the earth is beneath the sky. It is so dark that the "night is poured around it in
Greek underworld Greek underworld In mythology, the Greek underworld is an otherworld where souls go after death. The original Greek idea of afterlife is that, at the moment of death, the soul is separated from the corpse, taking on the shape of the former person, and is transported to the entrance of the underworld. The underworld itself—sometimes known as Hades, after its patron god—is described as being either at the outer bounds of the ocean or beneath the depths or ends of the earth. It is considered the dark counterpart to the brightness of Mount Olympus with the kingdom of the dead