chapter 149 twin brothers

The Soul Refining Pill has even more stringent requirements for flames.

The flame cannot be too strong, nor is it too weak. Herbs containing soul power are extremely fragile. If the flame is too strong, the medicinal effects in the medicinal materials will be evaporated. If the flame is too small, the medicinal effects cannot be fully dissolved.

This level of elixir cannot be refined even by a spear master.

They are also four-star alchemists, and their levels are...