Related Clues:

• Immeasurable void
• Bottomless chasm
• Nietzsche said it stares back
• Chasm
• Deep gulf
• Deep pit
• Tartarus, in Greek myth
• Deep ravine
• Fathomless depth
• Yawning pit
• Yawning gap
• "Paradise Lost" pit
• Deep fissure
• Huge emptiness
• Wide gap