In order to activate you code:
- Login at Warpportal.com
- Once logged in, click on the Power-Up option on the left side bar.
- Under "Game Accounts" on the left side bar, select the Ragnarok Online game account in which you'd like to apply your coupon code.
- Select the Ragnarok "Game" Coupons tab that appears in the middle of the screen.
- In the box titled "Electronic Serial Number," enter your coupon code and hit the "Submit" button once.
- When you see the "Your transaction has been completed. Thank you." message, your code has been entered and applied successfully to your account.