C2645 Become a Slave!

"You confused me. Since you need a large amount of Ancient Crystals to cultivate, why do you still need to use Ancient Crystals to exchange for Holy Crystals? Furthermore, you only have the Great Saint, so you shouldn't need Ancient Crystals, right? " Mu Fengluan asked doubtfully.

"It doesn't matter if I tell you. I have a special method to refine Holy Crystals into Ancient Crystals. Furthermore