"I assume it is alluding to my life debt that I have to Harry. Likely from when he pulled me from the Room of Requirement, from the fiendfyre, that night. And likely to fact that I have felt so lost and detached from everything since the night of that battle as well. That was the last time I had ever seen Harry Potter." Draco admitted. "I don’t understand how his  night is full of terrors and eyes filled with tears  if he is simply dead. Which, as I am alive he would have to truly be dead for us to "  know one another ’ across The Veil. The bit about the balance of magic is a bit concerning. Such warning of imbalance has not been seen in the wizarding world since the dark ages." 