Why don't I get experience pts in all the campaigns?

I bought the Dark Forest pack in order to level past level 13. The only thing was that I could only level up in the Dark Forest and not in Forest Haven. Not too big of a deal cause it was only two experinece levels.

Once I got to level 15 I bought the Balefort Castle Campaign pack only to discover that I can only gain experience in the Balefort Castel dungeons!

Why don't I get experience in all the campaigns I have? I think that my character should continue to gain experence points in Forest Haven because I have paid for the Campaigns.

You can't gain experience from killing enemies more than 3 levels below you. Forest Haven enemies are level 1-10, so you can only gain up to 13, Dark forest are 10-15, so you can only gain up to 18 from there, and so on. It is all explained here: http://www.spacetimestudios.com/show...-more-XP!-quot