Alec, if asked, would absolutely say that he knew for certain. Fortunately — and thankfully — they'll avoid that unpleasant musing due to the inability to read each other's thoughts.

And, you know, the very real distraction of the door.

"That's weird." No real turns or branches in the tunnel, but a door. There could be a dozen reasons for it but it still makes Alec frown thoughtfully. Something about this entire tunnel experience seemed off. "I hope this one isn't locked like the one behind us. That'd lead to a grim end."