Right. I'll do what I can. It's hard to take pictures down here, you see how dark it is.

[He's been slowly pacing around the room while talking, but he circles back around toward the door. The video shuts back off for a minute or so, then on again, now focused on that symbol on the door. There's a flick offscreen, and then an orange glow helps brighten the carving.]

Tried to open it but it's stuck. Have you ever seen a symbol like that?