→Escape from Lucifer's Cage
As Sam attempted to contact Lucifer without opening the Cage, harrowing Hell with Crowley and Rowena, Rowena was able to perform a ritual from to ''[[Book of the Damned]]'' to pull Lucifer's essence from the Cage without opening it, summoning him into a warded holding cell in Limbo.
[[File:DamnedSoulsReleased.png|thumb|right|350px|[[Chuck]] unleashes damned [[soul]]s from Hell.]]
After [[Chuck]] declared it "the End" of Sam and Dean's story, he opens a crack in the earth unleashing the souls of the damned onto earth. The demon [[Belphegor]] revels to Dean that while in Hell, every single door "sprang open all at once", the sky cracked and all the souls, an estimated 2-3 billion escaped to earth.