The Main Brain existed, it was not simply hanging in the sky observing Lonely City from afar, but discreetly intervened in the daily life of Lonely City, involving systems like the Character Card and others, which required the Main Brain's involvement and maintenance. However, to some extent, it stayed true to the image that the people of Lonely City had imagined, never directly intervening in any affairs of Lonely City, and remaining mostly in a state that could not be accurately observed.
However, this indirect interference ensured that Lonely City maintained an absolute stability, as if destined by some divine providence.
About five months ago, the Main Brain had fallen into a slumber, and the production of Black Silver had also ceased.
The production of Black Silver was closely related to the Main Brain, a secret Liu Tingruo had only just learned.
