"Inferi are reanimated corpses, so..." Regulus said, not nearly as disturbed by the thought that he'd swallowed corpse water as he probably should. It'd been a long night already. He took a sip of water, then feeling the true relief of quenching thirst, he just drank the whole glass.
"Wait," he said. "How do you- did you not know about house-elves? They have house-elves in the Americas."
He gave Sabrina a confused look bordering on being cross. "You don't use a wand to do complex magic like healing and conjuring, which should be next to impossibe. You didn't know what house-elves were. What's going on?"