According to "Complete 30 Missions to get two extra free days of playing time. Any new player which completes this challenge also gets 1200 Bonus Points (equal to 10 USD/EUR) which can be used in our in-game store.",
Gamers who complete the first dungeon, The Polaris, and defeat the Ur-Draug boss will get The Whispering Demon Ring, a unique ring that buffs stats and gives an XP bonus.
To try out the 3 day free trial, players can visit the official site.