The messenger, who was ready for his death, waiting for Cheng Sheng to explode in anger, suddenly heard Cheng Sheng's passive voice. … 'Oh'? He thought before he slowly opened his eyes, and then saw Cheng Sheng's indifferent face. 'oh'? What does he mean by 'oh'? He thought, feeling confused. 'oh' because he doesn't actually care about his shizhi's life? Or 'oh' because he already expected Cui Xiao to do this?
Thinking this, the messenger thinks it is the latter. Since the former is heartless and Cheng Sheng, albeit a scum, is not that. Instead, he is very caring towards his sect, which is his second family. Thus, it should be the latter, which is very likely. However, how could Cheng Sheng predict that Cui Xiao to join the battlefield?