"Yes, Fel fire," Vas says, brightening up. Whatever a hillbilly or a Virginia is, it's gone completely over her head. Demons, though - demons, she knows.

"The Twisting Nether connects many, many worlds together. The Legion travels through the Nether, taking over those worlds. They can spread to any place that the Nether touches," she explains, making a little twisting motion with her hand.