Millennia (ミレニア, Mirenia) is the main protagonist of Kagero: Deception II. At a young age, Millennia was abducted by Yocal and brainwashed to be a part of the Marionette Project, an experiment that focuses on humans killing humans. With her memories of her past life mostly gone, Millennia resides in Yocal's castle to do her bidding. She is a playable character in Warriors All-Stars.