Harry blinked at the apparent 'host'. His first thought was a faerie, possibly Seelie, considering the green skin. Bit the tiny horns... and the feel the man-host was giving off made Harry's senses twitch. And not in a happy way.
The shield was fully powered, blocking Dinah from being able to move any closer than Harry's outstretched arm. With the staff in his right hand, Harry asked, "Be this Accorded Neutral Territory? And what manner of creature be thou, before I See for thine own self. I am Wizard Harry Dresden, and I ask thy name."
Alright, he was causing trouble. But politely. As politely as possible for Harry Dresden. He hadn't broken any rules of hospitality as of yet, so if this was neutral territory, be was still covered. If not...
There was a reason Marcone's insurance rates went up whenever Dresden payed a visit.