Mary Shelley is a Lynx, a pilot of the new generation of Armored Cores, called NEXTs. She is ranked as the #5 Original and is recognized as the Bernard and Felix Foundation's most revered pilot. Renowned for her legendary skill as a sniper, her combat style helped shape her corporation's philosophy. After the war, Mary Shelley became the figurehead of the BFF. Wong Shao Lung is her caretaker. Her NEXT, Prometheus, is a violet middleweight built for the sake of long-range sniping.