One, there's only one large door, opening it requires more than one key.
Two, there are more than one doors, each door requires its specific key.
Three, there's only one door, every key can actually open it, and each key might also be a token.
The last broken gold mask, Wen Yan couldn't discern much from it, nor was there a hint about it, presumably meaning the mask posed him no danger.
Made a call to Old Meng, waited for a minute, Old Meng called back, with police sirens audible in the background of the call.
"Uh, Old Meng, you didn't cause some big scene over there, did you?"
"No, it's unrelated to me, there's a demonstration outside, things got chaotic."
Old Meng was sitting in a villa living room, with seven or eight corpses lying around messily, he was holding the phone with one hand while covering the mouth of another severely injured, dying man with the other.
"Oh, are you busy right now? I have a few items here, would like to ask for your help in appraising them."
