C612 Black Robotic Dog

From what Duan Hong said, he knew that he was able to live because Chiang Fann had shown mercy to him. Otherwise, Chiang Fann would have been able to kill him completely back then and not give him the chance to reincarnate.

Duan Hong had personally experienced Chiang Fann's Sword of Cause and Effect. Therefore, he recognized it when he saw Lee Yuan use it