C399 Heavenly Stellar Sand

"Hmm, there's something intriguing about the space here."

Just before the trade fair commenced, an enigmatic voice echoed from a secret chamber, its source indiscernible, shrouding the proceedings in a layer of mystery that also protected the attendees' safety.

Moreover, since all the martial artists at the fair wore masks, even in the event of a scuffle over a coveted item