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
Mythology of The X-Files aliens were not the central focus of the mythology, since many of the writers, most notably Frank Spotnitz, felt that the alien-conspiracy storyline had gone on long enough "and played itself out." The story arc would instead focus on what happened to Doggett's son, Luke, and the character of Reyes. For the tenth season of the show (which marked the revival of the series after fourteen years), a new mythology was introduced, and the Super-Soldier arc was ignored as was the supposed alien colonization, which didn't appear to happen in December 2012. The new mythology involved a conspiracy of men