Ouch, sounds nasty combination. Anyways posted as devil woman and so if Abuxuel does not surpass her sense motive he will not know Aeriyon did whole act by free will and devil was merely taking credit of the deed for herself. Also her spell is harmful but far cry from lethal but it's enough nasty to give everyone injuries (and your better get injuries or else you need save against being buried alive). The blast was placed so it exploded behind Faeremhara's body.