User blog comment:Twilight Despair 5/Hell Trial Theories/@comment-174.51.197.197-20130502202527/@comment-3481504-20130502204941

Well, because it isn't safe; Crowley rules Hell and the Earth -hey, he's like the "prince of air."

He could enlist an army of demons to kill the boys, Kevin and Garth if they tried to do that.