Alucard’s being devious.

Integra: I know people need to die. You can’t deal with vampires if you don’t know that. I just want a world where people aren’t killed. A saner world. Reasonable. Kind.

And not so cold…

Alucard: What if I could give you that?

Integra: What?

Alucard: Let’s start by taking care of the cold.