 Michael is eventually apparently expelled from Dean, but Jack later dies as a result of his angelic heritage being at war with his human nature now that his grace has been stripped.Castiel is able to make a deal with the entity from the Empty to restore Jack to life in exchange for himself, but the entity chooses not to collect right away.Michael later re-takes Dean as a vessel, but after Castiel and the others enter Dean's mind to alert him to the situation, Dean is able to trap Michael in his own subconscious while he makes plans to trap himself to stop Michael for good.