Zhao Qing'an and Kong Qing swallowed nervously. Pill refiners were legendary figures in the Martial House. They couldn't speak for the House Master, but they had never seen a pill refiner in their lives!

And Su Mu, so young, could he be one of those legendary pill refiners?

The most crucial point was that Su Mu wasn't even an alchemist before. How did he become a pill refiner in the blink of an eye?

While the two were in shock, Su Mu watched the medicinal liquid in the large cauldron rapidly condense, his eyebrows slightly raised.