The mountain.

Fighting off his urge to light up a smoke, the view of the sky has Benny asking, “You never did say what happens after the stars have aligned."

Caught off guard, at first Vincent wants to lie, to make something up that is far from the truth but knowing that he can’t do that, tells Benny what he knows, “Four days ago, a door opened, and a whole bunch of bad leaked out.”

After hearing this, and quick to chalk this up to being a load of crap, a thought develops. Four days ago, Jane was alive.