Indeed, the house was exorcized, but not everything of it had gone. Just the gate a few more items, nothing more. After all, they don't want the Earl to truly be suspicious of the existence of Exorcists.
They left the atmosphere to still be filled with evil qi.
All they exorcized were the troublesome artifacts, like the gate, that had minds of their own and would eventually rat them out.
But of course, exorcizing these vampires wasn't the only reason they were here.
So while the Police Captain quickly warned his team of the dangers surrounding any slip of tongue, Haru gave a light nod to Ghu Dwo and a few others.
Sensing their thoughts, the police Captain thinned his lips and voiced his intentions to join in whatever they had to do.
Yes, it was true he was scared shitless, however, this matter was what he foresaw as a matter concerning all humankind. So how could he allow himself to continue to remain in the dark?