"We were to go into the forest to look for a wounded unicorn because the oaf–" Harry shoved Draco "–alright, fine, Hagrid. Happy now, Potter? Hagrid said that he had seen blood in there. We split up. It was me, Harry, Teddy and the dog while Neville went with the o-Hagrid. A little while later, we found it. It had a big gash on its side. There was a thing... someone... I do not know how to describe it best. It was drinking the unicorn’s blood. That is when Teddy started to transform."