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Using a spatial artifact rashly would draw the government's attention, hence entering and exiting the Lower City district was still best done through the surrounding streets—the interior of the Lower City district had some places set up with special items, but the outside didn't, and it was impossible to cover so many areas.
When the number of people entering and exiting increased, those with higher evolution rates who had communicated with the lookouts under Brother Jing became especially conspicuous.
In the past two days, they had gathered in batches, and in the following two days departed in batches, though there were more people leaving than entering.
The more targets there were, the higher the chances of exposing the true situation, especially when Xu Huo randomly chose two people to track and discovered that they had contacted the docks through separate channels, he knew what those people were up to.