He's silent for a long moment after that. There's a lot, he's realizing, this man knows about their situation. More than any of them ever did before getting launched into space.

"How much do you know about us? About this war?"

And, by extension, Voltron and the Castle. Alfor and Allura.

More silence. Weighing options in his head -- he'd already realized there weren't any, except trusting Alucard. And yet the man is standing there, claiming to drink blood, sporting actual sharpened canines. Part of him, the part he so often shuts down when it wants to make laser sounds or pull out stupid jokes, wonders if Alucard also participates in saying "bleh". That part doesn't get a say here, either.

"And... you're telling me, you either use a needle, or your mouth." Fine, okay. He'll buy vampire for now. He's seen weirder things already. One hand scrubs down his jawline. With how unpredictable certain aspects of his head can be, there's... probably one good route to take here.

"I've had worse than a little blood loss, either way. Probably worse bite wounds too." His shoulders straighten. "Where do you want to do it?"