"Harvested, just like Voldemort. What... what can be done with vampire organs?" Erik shrugged. Fleur grimaced as she picked up one of the head that had been removed. He was Polish and was probably handsome when he was undead, but I can't tell much more from it. The second head looked like it were torn off instead of cut off. "This was torn off, not cut by a spell." Summoning charm? It was the third head that revealed the clue she was looking for. Bite marks.