"Clearly they are prepared for something like this to happen..which is a little concerning." Because if they know this kind of thing could happen, it means it could happen again even if they solve this puzzle this tie.

He takes a sip of his drink as he considers who he has encountered, "There are a couple others roaming around. I've only spoken to that Lan Wangji guy though." There is a little bit of unease in his expression as he mentions the name. Even if he isn't the one who killed him, having someone else who apparently is from the same memories is still a little uncomfortable.