When the adventurer reaches level 21, it will unlock the trading function, 

 The trading line is an important channel to get the items needed for the war power, which includes the good equipment of the class, the materials needed to build the equipment, the spirit, 

The pieces of the mount, as well as food and medicine and treasure map, also if you get a rare item that is not used for the time being or hit a copy of the good equipment that is not the class. You can also sell it on a trading house.

Items of interest:

If you want to buy the item is not there, you can click refresh, if refresh is still not on the point behind the love will need to mark the item as attention, so that if there is goods on the shelf will be automatically displayed.

After the purchase of goods remember to buy in the goods to collect, otherwise there will be no backpack oh ~

Items for sale:

Find the goods you want to sell in the backpack, point more transactions next to it,you can choose the number of shelves, point shelves, shelves will charge a certain amount of custody fees，consumption currency for gold coins, at the same time, if the shelves of high-value items, the transaction may be a certain tax, after the sale of items are purchased, you can receive income in the sale interface. 

If you don't want to sell the item, you can remove it manually, but the hosting fee will not be refunded.