Matt Duffer: Another really good question. I don't know. No, no, no. It's kind of the first thing, where you see him at the end of the show purposely coming face to face with her.

Ross Duffer: And the idea that he didn't know Eleven existed, much less someone with this kind of power, in order to keep him out. So then with that final shot, we wanted to hint at is maybe, yeah this thing is still there and it's not thrilled with the way events happened.

Matt Duffer: It's a little bit of the Harry Potter thing, in terms of 'oh this is the one person who can stop me?'