[His expression turns stoney at that.]

...Do you mean to imply that the device which caused the crater and the Calamity itself was intentionally built to end the lives of many others?

[Alucard's voice is deceptively soft at that, although a sharp listener would be able to pick up the edge it had taken on. He had promised his mother he would do no harm to humans, but sometimes...

Well, he has not forgotten what humans are capable of doing to those that they perceive as different. He can believe the boy hadn't known what his superiors had been doing, but...]