User blog comment:KillRoy231/Sam and Dean at the end of Lotus/@comment-213.226.141.81-20161217170949/@comment-1031724-20161217235852

Well remember a man also made a gun that can kill anything, except Lucifer and four other beings. Mr. Ketch and the BMoL have all sorts of technology we didn't know about coz the series is set in America (showing just how advanced they are), and as for Rowena, she used a spell from the Book of the Damned, which they didn't even know about in Season 5 and took a lot of trouble to decode because it was in another language that was written in code, and its decoder was also in code