Study the progression process
The only limitation here is that only levels 1-35 can take advantage of the extra experience. You have already surpassed level 35? That is what you get for out-leveling me. Take that. Every weekend until the end of the year will bring double the experience points, with regular double XP weekends planned for once or twice a month thereafter. This is only a temporary Mortal gold, however, and NCsoft continues to study the progression process in order to find ways to make it less painful.