"Ruby was a witch." The demon housewife looked at Sam. "She didn't tell you? She was one of my first."
She looked down at Ruby under her and buried her fingers in Ruby's hair. "Well I guess it was a little embarrassing. You sold yourself to me all those centuries ago."
Ruby lifted her head, curving her neck, offering herself to the woman riding her. "I have missed you all these years, Please take me back, Let me serve you again."
The demon sneered. "You always were a devious bitch."
"Perhaps," Ruby said as the demon died. "but I survive."