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
Theban kings in Greek mythology Theban kings in Greek mythology The dynastic history of Thebes in Greek mythology is crowded with a bewildering number of kings between the city's new foundation (by Cadmus) and the Trojan War (see Ogyges). This suggests several competing traditions, which mythographers were forced to reconcile. The first kings of the Boeotia region (before Cadmus and the flood of Deucalion) were Calydnus and Ogyges (Ogygos). The first king of the settlement that would become Thebes was Cadmus, after whom the city was originally called Cadmeia. It only became known as Thebes during the reign of Amphion and Zethus, after the latter's