There’s no man who truly wants to be evil or thinks himself a devil, especially if he can blame his wife. Especially if that wife is Isabelle. There are parts of him that want to love, honour and cherish her - and he does, at times – but Slotter is a man consumed with need for power and authority. More than anything, Slotter is bent on control. He must be in charge, he must know everything that goes on around him. If he doesn’t, he is murderous.