WREN ARPINE

Sage’s full-blooded sister, also a hybrid. She was sold to science by her mother for money. Her cells were used to enhance humans into superior warriors that gathered to overthrow the corrupt Overseers in each of Diamond City’s districts. She spent the better part of her childhood in a laboratory until she was rescued by Francis Kilstrong, who kept her for his own purposes. It is later revealed that it was she and Francis, also known as the Cell Destroyer by the Private Guard, that went around taking people’s Cells back.