At this moment, Yang Jian returned to the Guanjiang Residential Complex and only then remembered that there was also a Huang Family Gate at Wang Shanshan's residence.
That place was not originally part of the complex; it was a Republic of China-period building that wasn't demolished when the Guanjiang Residential Complex was established. The Ghost Mirror and the Ghost Cabinet previously came from two rooms there, and he didn't know what was in the third room.
Because that door was made of gold.
An entire building from the Republic of China period used gold to make a door. The contents inside were likely very terrifying, so he suppressed his curiosity and didn't try to open it.
However, this trip to the Caesar Hotel gave Yang Jian a new suspicion.
Because he also erected a gold door there.
Could there be some commonality between the two?
The doors might not be meant to imprison some terrifying ghost but could lead somewhere.