The Savior's Key

"August will birth a child from the love of a hero and a traitor to the Dark Lord. Half Gryffindor, chooses Slytherin, she is the key to her half-brother's success in vanquishing darkness from this world. With her, he will defeat the Dark Lord. Without her, the Dark Lord will win. Hope for the light rests in the hands of these two half-siblings." Warnings: abuse, self-harm