C69 Ten Kinds of Refining at Once

Zhou Tian nodded his head with a gratified smile on his face. These people did not disappoint him. As long as they continued refining at this speed, there would be no problems.

He looked towards Xu Yang.

Xu Yang slowly picked up a stalk of Spirit Grass and threw it into the Pill Furnace. Then, he picked up another stalk of Spirit Grass and threw it into the Pill Furnace.

Then