From Introduction: The player characters are relaxing in Limbo when their Mentor enters the waiting room. He looks worried, an expression the characters are unaccustomed to seeing on his wizened features. “An evil spirit has been haunting the earth for over 100 years. He’s been killing five women a year, each year in a different country. Now he is back in the city where it started. I fear he is on the threshold of his greatest evil. You must stop him before it is too late.” If asked who it is, the Mentor says, “Even I don’t know his true identity. That is what you must discover. What you learn may help you destroy him.” The players must take ghostly vows before their Mentor can return them to earth. Possible vows include “I will not rest until I discover the identity of the killer,” or “I will not rest until I stop the killer.” Once their vows are made, the Mentor opens a tunnel of light. By passing through the tunnel, they arrive . . .