User blog comment:P.chraca/Help/@comment-32550957-20170713165144


 * spoilers*

From what I understand is she meant that if Gabriel knew that he murdered her, he wouldn't have gone on the whole quest to find the God Mask to save her. She didnt tell him because she knew that her sacrifice meant that humanity would be saved. Marie knew that she was going to die and she knew what Gabriel was going to become.