Satanic Serial Killer

Dominic Denver wasn't right in the head. As a narcissistic sociopath, he wanted to live forever but just couldn't imagine the world going on without him. Dominic makes a deal with the Devil for immortality. Except, the deal involves the spilling of blood. Dominic accepts the deal and gleefully claims dozens of victims. When he's finally arrested and put to death, his reign of terror finally comes to an end. Or does it?