User blog comment:Merlin-HarryPotter1/Series 5 - Where does Morgana Live?/@comment-5598897-20121104232929/@comment-5674726-20121104234828

I'd say that, if she plans on luring Arthur & Co. to the Dark Tower, she almost certainly has somewhere else to use as a fallback base. Depending on whether or not Aithusa is with her in the next episode, she may have a safe refuge for him while she works.