Store
Store is a great place for players to exchange goods with currency. Different awards can be claimed here. It is very important to take advantage of them so that your next combat will be a lot easier.
Store uses a currency called certificate. They can be obtained after players successfully explored a map. With these rewarding certificates, players can exchange equipment and skills scrolls.
Equipment exchanged are random. You can choose its category, type and quality. Equipment of different qualities need different quality certificates. For example, to get a piece of random rare equipment, rare certificates are needed. Of course if you are lucky enough, you will get the piece of equipment you want.
Skill scrolls can be exchanged with certificates too. Different skills need different quality certificates. With skill scrolls, you will be able to level up your skills in the training ground.
You can also exchange lower quality certificates with higher quality certificates if needed.