Supernatural: Season 12, Episode 10

Lily Sunder hones her powers in black magic for over a century to exact revenge on a band of angels that murdered her family; Sam and Dean try to stop Castiel from becoming Sunder's next victim.
Lily Sunder hones her powers in black magic for over a century to exact revenge on a band of angels that murdered her family; Sam and Dean try to stop Castiel from becoming Sunder's next victim.

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