Special Service Bureau's archives on special affairs were only sealed internally and never made public.
Thus, for opponents like the Blood Cup Sect that had been completely eradicated, aside from a few high-level leaders within the bureau, there were scarcely any channels for others to obtain relevant clues.
This was, of course, a necessary protective measure.
Human beings have always had a talent for courting disaster, as even children know not to touch the electric outlets their parents sternly warn them against, yet feel compelled to do so to feel their childhood complete.
In later generations, several foolproof designs for high-voltage electricity distribution couldn't prevent some from DIY barbecuing themselves.
To Wang Yunxiao, this method of sealing secrets also had another consideration, which was to reduce the possibility of transmigrators going back in time to alter history.