Protagonists: Sam, Dean, Bobby, Castiel
Major Antagonists: Ruby
FEATURED CREATURES: Human Spirit, Demon, Angel
Over Plot: Sam and Dean stop Lilith and prevent Lucifer walking free
Major Character Deaths: None
Minor Deaths: hunter in her apartment, exposition from Castiel reveals 20 hunters died from the summoned spirits
Notes: Hunter killed in her apartment faced 2 spirits. Considering she is one of the 20 Castiel revealed died, and there would be a bare minimum of 1 spirit per hunter that would mean that adding the remaining 19 + 2 for the first hunter in the episode and 5 for the brothers means at least 26 spirits. Since these spirits were compelled and not actually evil, their disposition will fall into the bystander category. Spirit of Henrikson verifies that 6 people were left in the station during the events of s3,12 adjusting the kill count, all summoned spirits laid to rest with spell
Episode Bystander Kill Count: 20 humans, 26 Human Spirits
Killed/Destroyed/Banished Count: 0