C588 At the Last Moment It Collapsed(2)

"Eh? This is? Interesting. This is a space set. The magic power used to activate it is the most basic alchemy, but it has achieved my goal. Good, good, good. I will reward you handsomely. I have a lot of use for this thing, but I want all the spare energy stones in here to be exchanged. It makes me uncomfortable to look at them, so I want them all to be exchanged for top-grade Devil Crystals