The Rats Are a Symbol of Decay, Right?

"This is a castle that we understand is riddled with secret passageways. How are these rats getting in? You think they're flying literate rats?" "I could see wanting to get the hell out of there for a minute for sure," he says. 'It seems like if you're not, you know, trying to reach out with olive branches, yit's just going to deteriorate even worse'