Zhang Tie racked his brains for a full two hours, sifting through every detail and piece of information in his mind, yet he still could not figure out where the Devil Race's trump card lay.
To deal with the catastrophe the Devil Race might unleash in Great Xia through Puppet Worms, although victories had continued to pour in from the Holy War battlefield since three years ago, the entirety of Great Xia—from every Governor-General's Office, every province, every prefecture, every city, and every town, down to every household—had already begun implementing the strictest controls over food and water sources, along with large-scale physical examinations of the populace.
In every city's tap-water network, guards were stationed at every checkpoint from the water source to the outlet. In particular, the water sources of each city were directly guarded by Great Xia's military. From the water source to the faucet, every drop had to pass inspection at five checkpoints before entering the homes of city residents. Yet even so, the measure now promoted by Great Xia's authorities was a decentralized water-supply system. Even in places covered by urban tap water, the authorities recommended that people spread out their water usage as much as possible. Besides tap water, every household with the means was encouraged to dig a well at home. For daily use, they were to rely as much as possible on their own well water, or make use of streams, spring water, and the like according to local conditions.
Throughout Great Xia, officials at every level had hired specialists to dig wells everywhere. Every city, every street, every neighborhood, and every village had numerous public wells dug. The total number of such wells had already become impossible to count. Every one of them was watched around the clock, all so that people