Great story, ended up reading it in one day. loved it !
If there is ever more looking forward it.

I know next to nothing about Hellboy, but the presentation of the BPRD is done so well that I don't actually have too many questions.
And Carmilla is great.
Good work.

Ah. Time-skip! cx For some reason I thought you were going to go through WWII... or at least some of it. But then when would we get to Laura? c:

But it does seem that Carmilla has good standing in the Army. They're not afraid of the occult/supernatural, either, which is a nice change. So it's the US Army demon hybrid Carmilla vs. Lilita...

I see - so Carmilla's going to join the US Army in WWII? I have to say, I've never read one of these supernaturals-as-weapons-of-war where the weapon is treated well or has a choice. They usually either take them as a young age (as Hellboy seems to have been) or enslave/condition/extort them, though I can't see the army doing that to Carmilla. She's too aware for that - and at this point, really doesn't have anything to lose.

So, I really don't know what Hellboy is (it's a comic book thing, right? cx) but *this* sounds interesting, even without knowing, so you really could post this in the Carmilla section. You'd get more hits that way. (And it gets bumped again.)

Really love your Hellboy crossover AU. I love Hellboy and Carmilla. Together, they make everything amazing. Your fanfiction is very interesting and I can't wait to read more.
Keep up the good work ;)