Daishain’s 5e D&D RPG Main Thread - Page 919 The Sage says...
Cratol ascends up into darkness, the passage winding its way through the rock.
It ends at an oddly shaped and slanted stone door. There's a handle, but it looks like it will take some effort to move.
The human before Velon blanches and starts talking. "I don't know anything about the mask, Wyrmspeaker Varram has been obsessed with it lately. We lost people to the ghosts, more to the devils, and then got hit behind by the damned snakes."