For his part Harrow's doing just fine. If anything he's quietly curious! Magic, demons, this is stuff he's vaguely familiar with, and it brings him a sense of He inspects the salt and the bay leaves and doesn't say anything until Viatorus is complaining about having no magic.

"You got a lighter in your shirt pocket, remember? My lighter!"

He takes a few steps back and prepares to watch whatever is about to go on. He's going to learn some Earth magic!