killed by Jack Kline, who uses his soul to draw on his angelic abilities. In killing Michael, Jack not only burned off his soul, but also absorbed the grace of Michael, restoring him to his powerful state as a Nephilim. Due to this, Sam becomes increasingly more concerned with the condition of Jack's soul. Parallel to this, the previous vessel of Lucifer, Nick, engages in a plan to raise Lucifer from the empty. Jack is able to stop him in a grotesque killing which leaves Mary Winchester in a state of deep concern. Jack becomes frustrated and accidentally uses his powers to kill Mary. Dean finds out about his mother's death and starts into a fit of anger fueled by grief. On a mission to kill Jack, Chuck makes an appearance, supplying a gun which will do to the holder what it does to the victim. Sam is shocked when Dean accepts this as a solution for his building anger towards Jack but Sam becomes skeptical of God's intention and soon finds Dean aiming, point blank, at Jack. Dean realizes that this is not the solution and drops the gun, eliciting an angered response from Chuck. Sam, Dean, and Castiel begin to realize that their lives have been nothing more than entertainment to Chuck, while he pulls the strings. Chuck kills Jack and Sam shoots God who soon releases every evil spirit from hell to attack the trio in a dramatic show of frustration, with a prequel statement “Story's over. Welcome to the end.” Sam characteristically takes a fighting stance as the swarm engulfs him, his brother, and Castiel. Season 15 After Chuck brings on the end breaking open the gates of hell, Sam, Dean, Castiel deals with the after effects dealing with a horde of zombies and ghosts. Sam meanwhile, discovers through nightmares and flashes of what he believes are God's memories that he's connected to Chuck through the gunshot wound that's not healing. While this is all going on Sam deals with his guilt from killing Rowena while also becoming close to Eileen, after he resurrected her with a spell. Chuck traps Eileen and Sam and forces Sam to witness multiple possible futures, as what was preventing the gunshot wound from healing from Sam's hope that Sam, Dean, and all their allies would defeat Chuck. At the end Sam loses his hope, Chuck returns to full strength and