3: Soul Survivor: Sam tries to release Dean from the MarkofCain.
第3集:灵魂幸存者:山姆试图释放院长从标记的。
2
2: Reichenbach: Dean becomes more aggressive as a demon, and Crowley tells him its because the MarkofCain needs to be fed.
第2集:巴哈:院长更加积极的作为一个恶魔,克劳利告诉他因为该隐的标记需要喂养。
3
Cain was the firstborn son of Adam and Eve. He was banished, with a mark, from the land of his parents because he killed his brother in a jealous rage.