บท 4450: Cooperate from the inside and outside (4)

Huang Yueli raised her brows and indicated for Xuan Chaoyi to continue.

Xuan Chaoyi seemed to have recalled something, and his expression was a little twisted.

"In the past, although the demons sent a large number of troops, they weren't very strong. Their goal wasn't to conquer You 'an City, but to snatch our food and resources. Therefore, they would usually run away after stealing a wave and would not even take the initiative to fight with the alliance army. Therefore, our defense is usually just a formality."

"However, this year, our army went to expel the demons as usual, but they were unexpectedly attacked by the demons! The first batch of troops that went to fight were completely wiped out. Not a single one survived!"

"What? How did this happen?" Huang Yueli was shocked.