C658 The Location of the Yin Flame

Duanmu Yan's eyes clearly flickered as he said in surprise, "How did you know that the Yin Attribute's Spirit Element came from a Yin Fire?"

Lu Yangyouyou said, "When I came to the Domain, I once found a Yin Yuan mine in a city near the Black Wind Stream. From that Yin Yuan mine, I can tell that the reason why the mine was made was because of the Yin Fire."

Duanmu Yan was shocked in his heart