Back after they defeat the horde
Cao Yuntai gathered all soldiers that chose to remain in the fort, "Just like you already know, I am going to join the empire. I am here not to convince you guys to follow me, but I am just going to tell you that you should never pin all your hopes in our country!"
His words caused a commotion between the soldiers. How could a soldier speak like that to the nation he had served for years, "What did you mean by that? You said you are not going to convince, what's this about?" One of the soldiers spoke up.
"You were my comrades, and of course, I want you to have a good future in this bleak era! I am not saying to you to leave or betray the country you love, but you have to accept the reality. Does our country still exist? Does the country once we commit to protecting and love still exist?" Cao Yuntai delivered a question that could not be answered by the soldiers.