C180 Unattainable

Silver colored flames unceasingly rose from within the cauldron. Although the terrifying temperature was reduced by Zhang Hao's great effort, it still caused the surrounding air to become distorted.

"Chi!" Zheng Yun waved his hand and called out a medicinal plant that had turned to dust. He placed it into a jade bottle in front of him and once again threw a pitch-black object into it