Faced with Long Qingtian's confusion, Beigong Yu naturally had no intention of resolving it for him.
Glancing at Long Qingtian, he asked coldly, "Who ordered you to set up the Heaven-Sacrificing Formation? Or is there someone else behind you?"
Hearing the words "Heaven-Sacrificing Formation," Long Qingtian's heart skipped a beat. With a surge of anxiety, he stammered, "This... this was the idea of the Primordial Patriarch of Destruction from the Chaotic Dragon Nest..."
Chapter 814