It was around that time Bellatrix decided she would join in on the training, and taught the three some things. Despite her obvious insanity, the woman was a surprisingly good teacher, correcting the "apprentices’ with a rather gentle hand. Lucius noticed Bella was rather attached to Granger, preferring to mentor the girl over the twins. (He thought it had something to do with Bella not being able to have children, and Granger’s similarity in appearance to the insane woman.)