Protagonists: Sam, Dean, Castiel
Major Antagonists: Lucifer, Crowley, Rowena, Billie, Amara
FEATURED CREATURES: Angel, Demon, Witch, Reaper, Celestial Being
Over Plot: Sam and Dean deal with the Darkness being released
Major Character Deaths: Rowena
Minor Deaths: Angel hosts 1
Notes: Amara kills an Angel
Episode Bystander Kill Count: 1 human
Killed/Destroyed/Banished Count: 1 Angel