[He doesn't answer right away. Steve listens, letting Watson get the story out and off his chest as much as he is learning from it. He doesn't change expression, not at the story about the eyes or about the disaster that befell them all afterward. He only frowns when John starts talking about Stein and what happened to him.

After a minute of digesting all of that, Steve nods. He doesn't look particularly happy, but there's not so much he can do at the moment for things that have already passed.]

You've had one Hell of a time here. I'm sorry to hear that. I think right now the best thing we can do about these is keep watching them. They might not seem dangerous now, but from what you just said, they might be a warning of some kind. I'd rather not take chances.

[He pauses to look back at the wall, which is covered in carvings.]

I'm going to sleep here tonight.