She appeared as a secretary, bringing a note sent from Carlisle to inform them of Bella's transformation into a vampire and her joining the Olympic Coven. Noting that 'Carlisle' was misspelled, Aro signalled Felix and Demetri to remove her. She was forcibly dragged out of the cha
mber kicking and screaming, which suddenly stopped because she was killed.
Bianca did not exist in the novels. However, it is likely she was a creation based on the character Gianna, also a human secretary for the Volturi, who hoped to be turned into a vampire but was killed to sustain them.
