C973 Ferocious progress!

Choosing a bead that completely fit the Herbal Medicine Emperor of Wenshan was very difficult, but one couldn't ignore this requirement. Even if it wasn't a perfect match, they had to try their best to match, at least in terms of basic attributes, or else the possibility of refining it wouldn't even exist.

The 'basic attributes' referred to elements like metal, wood, water, fire, and earth