The lid of the furnace was left open because the sap of these two herbs was peculiar and wouldn't vaporize. Thus, Dugu Bo could see the red and blue liquids continuously flowing back into the sphere formed by the kneaded roots and stems.
The sphere was also peculiar; it actually started to spin.
Once all the liquid was absorbed, under the control of Sun Ming's Soul Power, it floated up, surrounded by a red halo that then turned blue.
After each cycle, a hole on the sphere disappeared, and its size reduced by a ring.
After nine cycles, the pill was only the size of a thumb, unified and harmonious, with red and blue mist swirling, incredibly mystical, like the most magnificent treasure in the world.
"It's done. I'll name it—"
"Nine Revolutions Yin Yang Elixir!"
Sun Ming finally came up with a grand name and handed it to Dugu Bo.
