Clicking the “Sociality” button, you can add friends or enemies to the list.

Every player can have no more than 20 friends and enemies. If you want to add more friends or enemies, you can click the “expand list”, which costs 2 gold per person.

After adding someone to your friends or enemies, you can see his or her level, race, faction and so on. In addition, you can send messages to your friends or enemies.