Steve and Dustin in “Unfinished Business”

Steve

Henderson! Dustin! Dustin. Hey. What the hell was that? Was that the shield generator? Did they find it?

Dustin

I was wrong. I was terribly, catastrophically wrong.

Steve

What?

Dustin

After you left, I found a journal. Brenner’s journal. The key to destroying that wall is in this lab, but it is not a shield generator. It isn’t dark magic. Vecna didn’t make it. Science did. Theoretical physicists call it exotic matter. A single source of energy that is holding that giant wall together, and I think Nancy just shot it.

Steve

How is that bad? That’s why we’re here, to get through this wall.

Dustin

You are not listening!

Steve

I am listening.

Dustin

Vecna didn’t make the wall. So he isn’t on the other side, which means Holly and the missing kids aren’t either. Nobody is.

Steve

Then what the hell is on the other side of that wall? Why’d it stop? Dustin, what’s on the other side of the wall?

Dustin

Death.