User blog comment:Twilight Despair 5/Abaddon as the Season 9 Big Bad?/@comment-82.34.210.166-20130418055250/@comment-3481504-20130418181058

Ok, what part about "the gates of Hell sealed FOREVER" do you not understand?!

The term 'gate' refers to a entryway or passage, and, if it's sealed, how could a demon leave?