 Azazel demon possesses Tessa, a reaper (Lindsey McKeon) to save Dean from death and fulfill his part of the deal.Azazel's last appearance chronologically is in the second season finale "All Hell Breaks Loose", where he kidnaps Sam and the other young adults that he had infected.He visits Sam in a dream, and reveals that his "special children" must fight to the death to determine who will lead his army.