Related Clues:

• Very backward name of female god
• Come back so most of the Irish can give heavenly support to those downstairs
• Egypt. god of dead
• Elevated knight is old underworld boss
• God, husband of Isis
• Appeal to teacher, one's god
• (Classical) underworld
• Lady in distress, from Sardis, perhaps
• A place of some darkness, first to last!
• Headless ghosts from hell
• Egyptian god or remarkably large goddess
• The address from which characters can regularly go to hell?
• The underworld has to keep notes ...
• Underworld leader missing? It's still the underworld!
• (Greek) underworld