C570 upper and lower combined attack

Ling Xiaotian had been waiting here for two days, but no one passed by. Every night, he would go back to the east gate because there were very few people who would march there at night, not to mention that the enemy did not cause any trouble at the moment.

On the morning of the third day, Ling Xiaotian came here once again. The old man smiled and said to him: "Brat