If you made a mistake when choosing a name, when you created the main character – do not be discouraged. The game will give you a chance to change the name of the character. However, be careful because changing names requires certain expenses!
First name change cost 300 Diamonds.
Second name change of the same character cost 600 Diamonds.
Third name change of the same character cost 900 Diamonds and etc.
Think about it when you changing your name!