C179 Exhaustion to exhaustion

When the powder completely landed on the bottom of the cauldron, Ling Xiaotian opened the lid. He first took out the rhinoceros' horn impurities, leaving only the fine powder.

"Actually, it's nothing much!" Ling Xiaotian smiled and said: "I originally thought that refining such a large rhinoceros's horn into powder would be a very troublesome task