User blog comment:KillRoy231/How did you feel about O Brother Where Art Thou?/@comment-95.112.159.61-20160101223500/@comment-1031724-20160103032842

When monsters die, they go to Purgatory. Leviathans fit into that category. The Leviathan tablet said that the weapon Dean used can kill Leviathans. Dean chopped Benny's head off, which is definite death for vampires, and he went to Purgatory