Original sentence: Also, it is revealed that the reason he focused on the special children of Sam's generation, was because Lucifer told him that one of them would emerge, and would have the power to kill Lilith.He opened the Devil's Gate in "All Hell Breaks Loose, Part 2" so she could escape and play her part in freeing Lucifer.However, the final seal could only be broken by the death of Lilith, who was trapped in Hell.In "Lucifer Rising" it is revealed that freeing Lucifer from Hell was actually Azazel's plan