There is no limit on how many times you can change your account name. However, please keep in mind that only the first time is free, and that you'll have to pay 50 Crystals each time after that.
OVERDOX
There is no limit on how many times you can change your account name. However, please keep in mind that only the first time is free, and that you'll have to pay 50 Crystals each time after that.