C168 Excellent Opportunity(2)

It would have been fine if the Cloud Sacrificial Sound hadn't been mentioned, but with the name, the Great Mage would have been furious! He was doing well in the Sacrifice Academy, not provoking anyone and continued living a peaceful life. However, the moment this Yun Gu Yin arrived, he broke his original tranquility and advised the Emperor to reform the Sacrifice Academy