Duan Lingtian had no idea that Kong Youyi was holding a grudge against him, and even if he had known, he wouldn't have cared.
Kong Youyi had repeatedly spoken disrespectfully that day, and while Duan Lingtian had initially been unwilling to argue with him, the other man had only pushed his luck further, leaving Duan Lingtian with no choice.
Since he had already made his move, Duan Lingtian certainly wasn't afraid of completely offending him.
Chapter 3410