Just as the Black Armor Iron Cavalry charged, Gu Xi's voice rang out inside Chang'an City as well.
"Undead Scourge, begin!"
At Gu Xi's command, all the city gates appeared within Chang'an City, and great numbers of Undead Army soldiers rushed out from their hidden positions, or from the city gates.
The night before, Gu Xi had already laid out every part of the plan. Which area would be managed by whom had all been settled.
When these undead charged out, they immediately launched their attacks according to their planned positions.
Ever since fighting Octopus Head, Gu Xi had grown interested in this kind of battle style, with prior deployment and planned arrangements.
In Gu Xi's eyes, this sort of fighting style might not produce any great victories where a smaller force defeated a larger one because of a sudden flash of inspiration.
But no matter what, this method of fighting could not lose.
Especially when troops were plentiful, this way of fighting was even simpler and more useful.
Like now, it could not only catch the Great Prosperity Dynasty's troops off guard, but also ensure that Chang'an City was taken in a short time.
However, as the Undead Army moved out, the various forces hidden inside Chang'an City also leapt into action.
Each district reacted differently. In some places, waves of Buddhist chants rang out; in others, dense Blood Qi surged up; and in still others, all kinds of strange phenomena appeared in the sky.
Clearly, the forces inside Chang'an City all understood that Gu Xi's attack this time was indiscriminate.
If they did not bring out all their strength, they would definitely be the ones to die.
So every force brought out its strongest power.
It could be said that with this move, Gu Xi had not only