There is an in-game currency Black Gems (BG) used for all servers.

Money Input#

When in the game, click on the Black Gems image on the resource panel or on the number of Black Gems amount.
Choose the preferred payment method in the displayed dialog box:

Financial account#

The account activities and its state can be checked by clicking "Financial account" in the server selection screen

Black Gems transfer among servers#

You can transfer the Black Gems from any server (where you have continuous subscription) to another one. For this purpose use the "Portal Purse": transfer BG to Portal Purse first, and from there to the server you`d like.

Adding Black Gems to server#

You can always add BG from the Portal to any server or withdraw them from respective server (if you have active Subscription).

Common payment mistakes