User blog comment:Xilinoc/Ch. 651 - The Theatre Suicide SCENE 5/@comment-2211792-20151112081027/@comment-11051098-20151112155252

Could explain why the older spirit is missing her right eye. If she created the younger one, she could have sacrificed her right eye to do so, leaving her with the whole face except one eye, and the younger spirit with a face with nothing but that eye. Which in turn explains why the rest of her face seems to be a void.