The Battle of the Labyrinth Who is Biana di Angelo from The Battle of the Labyrinth and what is their importance? Asked by bookragstutor 13 years ago 10/25/2012 12:55 PM Last updated by anonymous 12 years ago 10/11/2013 1:42 AM
Biana di Angelo from The Battle of the Labyrinth is Nico's brother, they both are children of Hades. She dies but doen't want Nico to seek out revenge for her death.