Apart from that one time dealing with the Jade Purity Realm mountain-dwelling rogue cultivator, Jiang Lin had never once interfered with Yu Rou and Qi Qi's command of the army. Everything had been based on their practical application of what they had learned over the past three years.
It had been proven that Yu Rou and Qi Qi were quite skilled at applying their professional knowledge!
Even when it came to the Empty City Stratagem, when Yu Rou and Qi Qi suggested using it, Jiang Lin had been startled and felt that it was highly inappropriate. He had even prepared himself to reveal his Immortal Realm strength ahead of time.
Because it was simply too risky.
However, Yu Rou and Qi Qi persuaded Jiang Lin, saying that after suffering two major defeats, their opponents no longer had a Jade Purity Realm cultivator overseeing them and definitely would not dare enter the city.
When the enemy sent troops to attack the city but returned empty-handed, while their own side rested and recuperated for an entire day, one side would be reduced and the other increased, allowing them to widen the gap.
In the end, it really was just as Yu Rou and Qi Qi had said. When their side used the Empty City Stratagem, the enemy truly had not dared enter.
Of course, this sort of stratagem could only be used once at most. After a few days, the enemy would figure it out, making it impossible to use again.
But some stratagems were sufficient even if used only once.
Over the following month, every time the Demon Alliance army attacked the border fortress, they simply could not take it.
Gradually, the Deputy General, the Ten Thousand Commander, and the ordinary soldiers at the border fortress came to trust Yu Rou