"Does Nessie know anything about Dorchacht before Morgana showed up? Do we know if there's a census in Aefenlgom?"

Spitballing. Maybe there are people who'd moved prior to ten years ago, or ... vacationed. Yeah, no vacations, probably, but maybe there are trade records, if not personal accounts.

"It's already a massive, highly magically charged structure. It'd be easy to slip less bombastic spells in there beneath the monster compulsion one, considering how aggressive and widespread that thing is. But." Geralt leans forward, elbows on his knees, and looks over at Waver. "No matter what it is - and it's something, one way or another - I keep thinking. How long until it effects us?"