Hidden Expert

Their goal was to obtain the body of a transcendent. 

He wasn't interested in anything else. 

The various races had plenty to offer, so the human race didn't arrange for these auction items.

In a private room, Indiana Ibbot calmly said, "Imran, let's begin. We don't need any ordinary items. What we want is only a transcendent body."

"Alright, please take your seats. The auction will begin in two hours. Before that, all bidders need to exchange for the auction house's unique auction coins," the auctioneer announced, outlining the rules.

Otherwise, by the end, each family might present all sorts of odd items for collateral, wasting time and complicating evaluations. 

It would also disrupt the auction's atmosphere. 

Therefore, they had to exchange for the auction house's unique coins in advance to bid. 

This arrangement was convenient for both parties.