C1870 Tricolor!

Evidently, to Yun Yanran, at this moment, it could be said that he was extremely concerned about the pill that Chu Chen was refining. After all, even though the pill furnace had yet to be opened, the trembling of the furnace gave Yun Yanran an indescribable feeling!

The trembling sensation was like that of a heartbeat. Even Yun Yan was completely affected by it!

However, in Yun Yanran's opinion