C216 The Intelligence Battle for the Full Map Was Exceptionally Smooth(2)

A group of foreign spies who had checked the room's magic light and used soundproofing arrays to discuss confidential matters were able to hear every word clearly from the Dark Night Guard outside the rooms because of the sentries that had been set up in advance.

Who would dare to say that the advantage of this kind of intelligence was not big enough?

In a month's time