I think this is a scheme by her, becoz she doesn't want to be in the limelight... she wants Anna to be in the limelight like in the other chapters...
she is (Anna) the heroine of the original story... She is a the original villainess shouldt interfere with that ending...
I think this is a scheme by her, becoz she doesn't want to be in the limelight... she wants Anna to be in the limelight like in the other chapters...