C793 Upgrading Materials!

"Hmm?"

Chen Yi raised his eyebrows.

The green-clothed young man picked up a piece of the Crimson Sunset Scroll and opened it, saying, "Let's exchange!"

The pattern on the scroll was the brown spirit stone in the middle of the Crimson Sunset Crystal.

"Alright!"

Chen Yi did not refuse when he saw this.

After all, the twelve scrolls corresponded to each other