Ciudad Diablo, or Dia as the locals call it, is the singal largest city in all of Areth. This single city covers the entire penninsula of Tierra Muerta. It is the nasties, diritiest, and most crime riden city in all of Areth, and it is the place the dark creatures make their home. The city grew to it's great size becuase the land the city is built on is the only part of Tierra Muerta that is mildly liveable.