C41 You Can't Auction Anymore

Calon, with a peculiar grin, stood a short distance away, curiously observing what Bao Guo was up to. Bao Guo, true to form, did not disappoint. Positioned beside the grand fountain in front of the chamber of commerce, he produced a half-meter-tall cube adorned with a kaleidoscope of patterns. It was quite the sight, yet its purpose remained a mystery.

Hold on, before we question its purpose