Nexon $100 Karma Koin
Visit www.karmakoin.com for the most up-to-date list of redemption locations.
Use of the Card constitutes acceptance of the following terms. Karma Koin prepaid cards may be redeemed only on participating sites. Internet access (fees may apply) and compatible software and hardware may be required. All use of this prepaid card is subject to use and license terms, available in full at www.karmakoin.com. Karma Koin reserves the right to change any of these terms and conditions from time to time without notice. Prepaid cards are not redeemable for cash and cannot be returned for a cash refund, exchanged, or used to purchase gift certificates or provide allowances and are not for resale (except where required by law). Protect this card like cash. Karma Koin is not responsible for lost or stolen prepaid cards. For card and balance information, visit www.karmakoin.com. The card is void where prohibited or restricted by law. Issued by Nexon America Inc.
You should be able to use it anywhere since the website is the one taking the money. You can head over to the nexon website for any extra rules. I just know my buddy uses them and he is China.