Ji Ai'er nodded gravely, having come back to her senses.
At first glance, the rewriting of the barrier seemed to be an attempt to seal off the town completely before Gluttony could finish surrounding it, but with Li Lin and the ultra-heavy tank outside the town, preventing even one person from escaping was not a difficult task. From an efficiency standpoint, it honestly seemed both redundant and unnecessary.
However, if one looked at the series of events that followed, especially Gluttony's abnormal rate of reproduction, it wasn't hard to realize that the real purpose of the rewritten barrier was to defend against the "Glutton," which could easily spread across the entire world.