User blog comment:KillRoy231/Sam and Dean at the end of Lotus/@comment-213.226.141.81-20161217170949/@comment-26840812-20161224165550

Book of the Dammed, plus Technology/magic from Men of Letters of the old continent... You'd think there'd be other way to send him down/ THOUGh, many think he isn't in the Cage.

PS: Death told Dean about the 4 rings back in the day because that was the closest and easiest way to reimprison him. And the Horsemen ain't that powerful, Not in comparison qith the Archangels and Deities(Powered Pagans or The two Brothers).