To add Crysta, log in to the Square Enix Account Management System, and then click on the “Add Square Enix Crysta” button.

When using special prepaid cards, such as the Ultimate Game Cards, you can choose to convert the entire balance of the prepaid card into Crysta, in addition to choosing from the amounts listed above.

Please note that the Crysta can be added in any increments as long as it is between 500 and 10,000 Crysta.