User blog comment:Touchinos/“Proverbs 17:3” Discussion/@comment-31057575-20191115114219

They have no weapon or allies capable of killing Lilith who has been confirmed to be the strongest demon of Hell by the writers themselves. And she said that Sam killed her only beacuse she let him, so even if he drinks demon blood again he may not be able to kill her again. Great. They should bind Death, maybe Billie can kill them permanently. And I think it was just an hyperbole that God has no power over the Empty. It's quite common for evil beings to say that only them are capable of certain things