C1711 I'm so Upset

"How can this be considered a waste? Frankly speaking, if it wasn't for you, I wouldn't have sent this Spirit Vein crystal essence. Therefore, it's only natural for you to use some of it." Ren Feng paused for a moment before continuing.

"Furthermore, this Spirit Vein crystal essence isn't very useful to me. The reason why I gathered them is because of the Heavenly Demonic Sect