Mistress Wurmalde reveals herself to be an old enemy of Tom 's mother from Greece .
Mistress Wurmalde tells him that his brother is being tortured by Grimalkin and it is his fault for continuing his mother 's work against the Dark .
Mistress Wurmalde reveals herself to be an old enemy of Tom 's mother from Greece , and tells him that his brother is being tortured by Grimalkin and it is his fault for continuing his mother 's work against the Dark .