Specter Alter is a significant character in the mobile game Arknights, serving as an alternative form of the original Specter. Once a nun of the Order of Abyssal Church, she underwent a dramatic transformation due to exposure to Originium and Abyssal power. In her Alter form, Specter becomes even more formidable, displaying enhanced combat abilities and a more stable personality. As a specialist operator, she plays a vital role in the story and gameplay, providing powerful support to Rhodes Island.