Can Amara be stopped?
On Supernatural Season 11 Episode 20 Amara unleashed a dark fog on a small town that caused everyone to go mad.
Sam and Dean were horrified when they realized this is a stronger version of the black vein virus the villain previously released.
When the two brothers tried to fight the virus, they had to get creative when they realized their old method no longer worked.
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Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.