If you wish to move to a new Kingdom to join friends from there.
You can spend some Unbound Money to change your nationality at The Bridge of Guardian, if you wish to move to a new Kingdom to join friends from there, but you must meet basic requirements and conditions.
Requirements and Conditions
You must meet these requirements in order to be qualified to change your nationality
1) You must be over Level 30.
2) You must have no current tasks.
3) You cannot be an officer of your Kingdom.
4) You haven’t joined any guild.
5) You should not be teamed with other players.
6) Unbound Money: 25 Gold Coins will be deducted as immigration fees.
7) You are not under any special condition or have any buff(e.g. property protection mode, shape transform condition, etc. )
8) You must make sure that your previous immigration was longer than 10 days ago.