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Events from thirty years ago seemed rife with all sorts of conspiracies.
The Thousand Cattle Guard units, which were supposed to restrain and warn Hou Junji and Zhang Liang, lost many of their members when passing through the Teleportation Gate.
The intricate instruments that could open the Teleportation Gate were bizarrely destroyed by a great fire. The means to contact the Great Tang vanished with them.
These 'coincidences' made the Expeditionary Army completely fall into the hands of Hou Junji and Zhang Liang.
Without support or restraint, they chose to betray.
They abandoned the pursuit of the dangerous insect god and assimilated into the Chenhai Continent, taking direct control of this nominal empire.
After expelling the dissidents, the remaining members of the Expeditionary Army collectively concealed the existence of the Great Tang and quietly flourished in this world.