ers killed the Iron-Spiked Back Demon Lion. At that time, Xuan Yin collected all the demonic beast blood, and now that Xuan Yin is dead, this Iron-Spiked Back Demon Lion's blood naturally fell into hi...d you all the details yet, so let me introduce the situation here. Once you arrive here, before gaining Daoist Lu's absolute trust and a suitable opportunity, don't even think about leaving. Also, don...