7 Deadly Sins can be dangerous. They are Gluttony, Avarice, Pride, Lust, Envy, Anger, Sloth and the Grim reaver. Freder speaks to them that he is a Mediator. One Night Freder feel that he was cursed by the grim reaver from the 7 deadly sins on the time that Maria was dancing in evil.
At Yoshiwara Maria was dancing at the stage to make the people itch to kill.
Later the people are hypnotized by Maria. At the chapel on the undergrounds Maria was explaining the 2 Machineparts. She was not explaining about the bible gospels.