[The side-eying does nothing. Alucard needs to work side by side with Isaac for a year if he want to hone his quelling gaze to the required level to put a stopper on Hector's idiocy. Because now that the floodgate is open, he's got more questions.]

Where did your clothes go? Are you still wearing them?

If I were to trim your fur, would your hair be shorter when you change back?

Do you still weigh as much as you did? Your mass couldn't be altered, that defies the laws of nature. You'd need a scale to be certain, though.

[Hopefully, for Adrian's sake, it's a short walk to the outside. Underneath the sarcasm and the indifference toward humanity, Hector is a child with more curiosity than sense, who stumbled from garden variety necromancy to devil forging because he couldn't stop asking 'but what if...'.]