Anna's mouth opened and closed quickly in response to what Anna said that Meg had. . .done. Of course, it would be a demon army. Why would it be anything else? That had been Azazel's whole goal right? Actually, Anna knew now that this had only been part of Azazel's plan, but it was enough to make things suddenly a bit darker than it had been moments before.
Her first instinct was to stop everything, find Cas and Sam and Dean and DO something about it. She hesitated now, though, because Anna didn't seem as worried as she should be if it was an immediate threat and besides, what the hell would they do right at this moment?
"Her own demon dimension?" Anna said after a moment. "You mean the Hell back home? Or she's discovered a dimension populated by demons that we know nothing about?"