[As much as Viktor would jump at the chance to provide the kind of medical breakthrough that he and Alucard are working on, the additional component means it's not up to him. Besides, how receptive would the general public be to something like this if they knew there was blood involved? Best not to say anything at all, for now.

He'd sort of been hoping that Himeka would ask for something tangible, but he does understand the inherent value of an exchange of knowledge. He just wishes he had something better to offer, in that department.]

I have theories about the summoning ritual that brought us to this place, but if you're asking about recent events, well. It isn't exactly my area of study.