Lin Yun was seated on top of a hill as he looked at the Azure Dragon’s blood essence and fell into deep thought. He could sense the immense power contained within the droplet of blood. But right at this moment, Lin Yun’s eyes flashed with surprise, “Hmmm?”

He could sense that a vague aura had enveloped the blood essence. If he didn’t sense it with his heart, he wouldn’t have noticed it even with the blood essence in his hand. After a brief moment of pondering, Lin Yun ...