Oh. I- thought I'd show you where I grew up.

[ That's a normal thing people do for each other, right? He's been secretive about this until now. He doesn't know for sure that Alucard's magic will function properly beyond the door, and he doesn't want to get his hopes up. But it probably is good manners to at least let someone know before dragging them to hell. ]

It's- uh. This is the gate to hell. The one father wanted to seal. You can't stay long, but I want you to see it.