Donation is available by PayPal (UnitPay), on RPG-Club Website. At the moment there is no other way to donate from Europe.
Donation before server opening- Select "Donate to account" -> Electronic wallet -> PayPal.
After server start, you will be able to "Donate into character", option will be available on your account on RPG-Club Website.
If you have problem with donating by PayPal please contact support:http://support.rpg-club.net/
If you have any further questions, contact me on pm.