Certainly, Ignis knows that much as well. While his own personal experience may be severely lacking for now, he's done enough research on various beasts and daemons outside of the Wall to know that their tricks can be many. Just nothing quite like this.

"Indeed... Whatever containment was used for these creatures initially, it obviously couldn't survive a crash, while too many of them did."

With even just one being too many.

"What would you do, in the case of something such as this escaping?"