In Shop, we sell heroes mainly.
Without common heroes, all heroes won't re-sell again after hero sale finished. Also, we can't refund when you buy hero from Shop. Thank you for your understanding.
How to sell
We use Inventory linked Dutch Auction to sell heroes. The GUM price will go down with time but go up when someone buys it. The minimum price is 70% of the maximum price, and the lower the inventory, the higher ratio the price increase.
In Inventory linked Dutch Auction, users can't buy the hero at the same time.