Following there are a couple ways to scout leveling besides soloing and doing your quests in Rohan. Have a look as that can help you know more about this game.
You can solo decently but you mainly have AoE's so your prolly best served group leveling(Rohan Gold) in this game. What will best suite you is that do the high mob level grind in early levels. However you are best served grinding in dungeons when you get some of your critical AoE's maxxed.
As your multiple AoE arsenal that you can go to high spawn areas and spam away your AoE's on them. Make sure that you have a Healer keeping an eye on you. Assuming that you are short on damage dealers in the party, you will not have too much trouble finding a party in a dungeon under party matching. The speed at which you gain experience in the party in a large part is determined on you and your AoE damage. However the room at which your party can work is minimal and can become frusterating, if you are on a packed or full server.
If you work at your skill you can level(Rohan powerleveling) quite a bit faster. While if you can learn to pull mobs with AoE's kite with your mobility boost and rain down AoE's on them, this can be very effective.