[He isn't taking blood. Alucard puts a lot of effort into not reacting to that statement. His father's revenge quest is going exactly as anticipated - unsatisfying and only prolonging the misery of this far too long suicide note. But it hurts all the same.]

That plan will fail.

[Alucard says it with a very cold determination, hardly caring how it comes off.]

And even if you remove him, then what? His generals will fight for this place as a seat of power, and continue to destroy Wallachia. They all need to be destroyed in one fell swoop.

You two need to leave and rethink your entire approach.