“Mr. Fresh looked up. "The book says if we don't do our jobs everything could go dark, become like the Underworld. I don't know what the Underworld is like, Mr. Asher, but I've caught some of the road show from there a couple of times, and I'm not interested in finding out. How 'bout you?""Maybe it's Oakland," Charlie said."What's Oakland?""The Underworld.""Oakland is not the Underworld!""The Tenderloin?" Charlie suggested.”
“Lucifer will be furious with you for failing, but it's not like he can do anything about it. Women don't always do what you want, even if you're Lord of the Underworld.”
“We're going to the Underworld," Izzy said. She bounced a little as she said it, her eyes bright and her tone implying that "the Underworld" was akin to "Candy Land.”
“What would you pack for Armageddon? Sunscreen and shades? Flame-proof underwear? Maybe a travel guide to the Underworld?”
“Central Wyoming was like hell without the flames, an underworld thrust up onto the surface.”
“Evans made himself their spokesman. "Charlie and Joe," he offered. "Remember us? We brought a friend back with us this time." Girls evidently didn't count in this little subdivision of the underworld; a miscalculation many a shady character has made.”