C439 Refining God's Pure Formula

"Yuan, you're here. " Elder Wu said with a smile, but there seemed to be something hidden in his smile.

"Elder Wu, you told me so solemnly last night that I must come today. Did something happen?" Wen Yuan frowned slightly. He had keenly noticed Elder Wu's unusual smile.

"There are indeed some things. But, take a seat first. I will tell you slowly