Changes

Billie is a [[reaper]] who was collecting [[soul|souls]] in Superior, Nebraska, after [[the Darkness]] was released. After the death of [[Death]], Billie made it her mission to ensure that the next time [[Sam]] and [[Dean Winchester]] die, they remain dead, threatening to take their souls to [[the Empty]] to ensure it. After getting killed by [[Castiel]], she is reincarnated as the new [[Death]] and she gains gained more understanding of the importance of the Winchesters' roles and their survival.