Benitoite was created in order to efficiently interrogate Gems for information using her hypnotic voice. Due to her potential to become a serious threat if she rebelled, she is confined to a room and is only brought when her abilities are needed. Only elite Gems know of her Using her singing voice, Benitoite is able to control her victims. The ability is used simply extract information from rebels, but is used to make Gems mindless puppets and fight, she is very yandere