 Castiel then heads back to Heaven to restore order and become its new leader, believing it to be in chaos as Sam trapped Michael in Lucifer's Cage as well.A year after the Apocalypse, Castiel returns to Earth in "The Third Man" to get Sam and Dean's help to find the Staff of Moses, which, along with many other weapons of Heaven, has been stolen during the war.They soon discover that the angel Balthazar has stolen it and sold pieces of it to people in exchange for their souls.