Heaven Dou Auction House is a place where any and all kinds of items are auctioned including human slaves. The entrance to the Auction House requires a bidding qualifications certificate. To obtain a bidding qualification certificate, one must show assets of minimum 10,000 Gold Spirit Coins. It is also possible to enter the Auction House, if a person is selling an item after being evaluated by an appraiser being more than 10,000 Gold Spirit Coins.
The Auction House is open 24 hours a day. There are several rules pertaining to the Auction House. One must never ask the details about the seller. The levels of the bidders are divided as Red, Black, Purple, Yellow and White.