Greetings Valued Customer, Thank you for contacting us again. We do understand that you would like to purchase Cera in your account. We would like to inform you that upon our investigation, we have found that your account has been engaged into abnormal activities. Because of this, your account is restricted on purchasing Cera. If you have any other concerns, please do not hesitate to contact us again. Best regards, Dungeon Fighter Online Global Support Team