Possible Clues:

• Volcano named after a god of darkness
• Deity born from Chaos
• On-line puzzle created by very dark figure
• Greek god of darkness — active volcano in Antarctica
• Son of Chaos in Greek mythology
• Volcano on Antarctica
• Upset having to remain in firm that's a hellish place
• Is there e'er a bit of transport to get you down here?
• Is there anything in the way of transport down there?
• By the sound of it, would there ever be transport down here?