"Blood of the one who willingly sacrificed herself"

The words were still moving in circles inside my head.

" Umm, Draco, what does a Dragon look like in reality? "

I turned over so my eyes could directly face him. He was sitting on the floor, drawing strange lines on the floor and calculating. It was in the middle of the night. I was tossing and turning on the bed. I could not sleep because he had the lights on.

"How do you humans even live if they cannot see in the dark? "

That was Draco's argument. So I just let him be and kept wondering about the words...